NAS-HDS - System Administration Guide

Hitachi NAS Platform and Hitachi High-performance NAS Platform, powered by BlueArcSystem Administration Guide

MK-96BA012-11

2010Hitachi,Ltd.,HitachiDataSystems Corporation,ALLRIGHTSRESERVED Notice:Nopartofthispublicationmaybe reproducedortransmittedinanyformorby anymeans,electronicormechanical, includingphotocopyingandrecording,or storedinadatabaseorretrievalsystemfor anypurposewithouttheexpresswritten permissionofHitachiDataSystems Corporation(hereinafterreferredtoas HitachiDataSystems). ThisdocumentappliestotheHitachiHigh performanceNASPlatform,poweredby BlueArcversion1.0.Whiletheinformation inthispublicationisbelievedtobeaccurate, HitachiDataSystemsmakesnowarrantyof anykindregardingthismaterial,including, butnotlimitedto,theimpliedwarrantiesof merchantabilityandfitnessforaparticular purpose.HitachiDataSystemsshallnotbe liableforerrorscontainedhereinorfor incidentalorconsequentialdamagesin connectionwiththefurnishing,performance, oruseofthismaterial. Thisdocumentcontainsthemostcurrent informationavailableatthetimeof publication.Whennewand/orrevised informationbecomesavailable,thisentire documentisupdatedanddistributedtoall registeredusers.

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Hitachi NAS Platform and High-performance NAS Platform

TrademarksHitachiisaregisteredtrademarkofHitachi,Ltd.intheUnitedStatesandothercountries. HitachiDataSystemsisaregisteredtrademarkandservicemarkofHitachi,Ltd.,andtheHitachi DataSystemsdesignmarkisatrademarkandservicemarkofHitachi,Ltd. HighPerformanceNASPlatformisaregisteredtrademarkofHitachiDataSystems. HiCommandisaregisteredtrademarkofHitachi,Ltd. ThisproductincludessoftwaredevelopedbytheOpenSSLProjectforuseintheOpenSSLToolkit (http://www.openssl.org/).SomepartsofADCuseopensourcecodefromNetApp,Inc.and Traakan,Inc. TheproductdescribedinthisguidemaybeprotectedbyoneormoreU.S.patents,foreignpatents, orpendingapplications. BlueArcisaregisteredtrademarkofBlueArcCorporationintheUnitedStatesandothercountries. ThefollowingaretrademarkslicensedtoBlueArcCorporation,registeredintheUSAandother countries:BlueArc,theBlueArclogoandtheBlueArcStorageSystem. Microsoft,MSDOS,Windows,WindowsNT,Windows2000/2003/2008,andWIndowsXPareeither registeredtrademarksortrademarksofMicrosoftCorporationintheUnitedStatesand/orother countries. UNIXisaregisteredtrademarkintheUnitedStatesandothercountries,licensedexclusively throughTheOpenGroup. Allothertrademarksappearinginthisdocumentarethepropertyoftheirrespectiveowners.

Notice of Export ControlsExportoftechnicaldatacontainedinthisdocumentmayrequireanexportlicensefromtheUnited Statesgovernmentand/orthegovernmentofJapan.ContacttheHitachiDataSystemsLegal Departmentforanyexportcompliancequestions.

System Administration Guide

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Document Revision LevelRevision MK96BA002P MK96BA00200 MK96BA00201 MK96BA00202 MK96BA00203 MK96BA00204 MK96BA00205 MK96BA00206 MK96BA00207 MK96BA00208 MK96BA00209 MK96BA00210 MK96BA00211 Date November2006 February2007 March2007 June2007 November2007 May2008 July2008 October2008 June2009 August2009 January2010 June2010 August2010 Description PreliminaryRelease Revision00,supersedesandreplacesMK96BA002P Revision01,supersedesandreplacesMK96BA00200 Revision02,supersedesandreplacesMK96BA00201 Revision03,supersedesandreplacesMK96BA00202 Revision04,supersedesandreplacesMK96BA00203 Revision05,supersedesandreplacesMK96BA00204 Revision06,supersedesandreplacesMK96BA00205 Revision07,supersedesandreplacesMK96BA00206 Revision08,supersedesandreplacesMK96BA00207 Revision09,supersedesandreplacesMK96BA00208 Revision10,supersedesandreplacesMK96BA00209 Revision11,supersedesandreplacesMK96BA00210

ContactHitachiDataSystems 750CentralExpressway SantaClara,California950502627

http://portal.hds.comNorthAmerica 8004460744 OutsideofNorthAmerica 18585474526

Web-based Support http://portal.hds.com For interoperability information https://extranet.hds.com

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About This GuideThe following types of messages are used throughout this guide. We recommend that these messages are read and clearly understood before proceeding. Tip: A tip contains supplementary information that is useful in completing a task. Note: A note contains information that helps to install or operate the system effectively. Caution: A caution indicates the possibility of damage to data or equipment. Do not proceed beyond a caution message until the requirements are fully understood.

Related Documents StorageSubsystemGuide:InPDFformat,thisguideprovidesinformationaboutusingthestorage subsystemsattachedtothestorageserver/cluster. HitachiNASPlatformHardwareReference:Thisguide(inPDFformat)providesanoverviewofthe HitachiNASPlatformhardware,describeshowtoresolveanyproblems,andshowshowto replacefaultycomponents. HitachiHighperformanceNASPlatformHardwareReference:Thisguide(inPDFformat)provides anoverviewoftheHitachiHighperformanceNASPlatformhardware,describeshowtoresolve anyproblems,andshowshowtoreplacefaultycomponents. CommandLineReference:Thisguide(inHTMLformat)describeshowtoadministerthesystemby typingcommandsatacommandprompt. ReleaseNotes:Thisdocumentgiveslatebreakingnewsaboutthesystem.

Browser SupportAny of the following browsers can be used to run Web Manager, the System Management Unit (SMU) web-based graphical user interface. Microsoft Internet Explorer: version 7.0 or later. Mozilla Firefox: version 1.5 or later. Note: The SMU uses cookies and sessions to remember user selections on various pages. Therefore, you should open only one web browser window or tab to the SMU from any given workstation/PC. If multiple tabs/windows are opened from the same workstation/PC, a change made in one tab/window may unexpectedly affect the other tab/window. The following Java Runtime Environment is required to enable some advanced Web Manager functionality. Sun Microsystems Java Runtime Environment: version 5.0, update 6, or later.


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A copy of all product documentation is included for download or viewing through Web Manager. The following software is required to view this documentation: Adobe Acrobat: version 7.0.5 or later.

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Table of Contents1 Overview of Hitachi Data Systems NAS Storage SystemsSystem Management Unit (SMU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Storage Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Virtual Servers (EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Private Management Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Public Data Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Storage Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Default User Name and Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Physical and Logical Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Managing a Server/Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Using Web Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Server Status Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Accessing Web Manager Pages (Navigation) . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Web Manager Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Using the Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 SMU Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Server Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2

Quick System Configuration

Using the SMU Setup Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Selecting SMU-Managed Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Using the Server Setup Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18


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3

Optional Configuration StepsUsing Advanced Mode Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Adding an SMU User - Global Administrator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Adding an SMU User - Storage Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Adding an SMU User - Server Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Editing an SMU Users Profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Changing the Password for the Currently Logged in User . . . . . . . . . . . . . . . . . . . 33

Managing Users and Roles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Configuring the System Management Unit (SMU). . . . . . . . . . . . . . . . . 34Configuring SMU Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Changing the IP Address for a Managed Server . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Configuring an SMTP Relay for the SMU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Configuring the Storage Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Configuring Server Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Configuring Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Using the SMU for NTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 NTP Server Interaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Configuring Server Management Access . . . . . . . . . . . . . . . . . . . . . . . 42Setting the Server Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Configuring Server Access Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Configuring the Private Management Network . . . . . . . . . . . . . . . . . . . 45Configuring the Management Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Configuring Devices on the System Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Adding a Device from the Public (Data) Network . . . . . . . . . . . . . . . . . . . . . . 51 Adding a Device from the Private Management Network . . . . . . . . . . . . . . . . . 52

Receiving SNMP Traps through the SMU . . . . . . . . . . . . . . . . . . . . . . . 54 Managing Uninterruptible Power Supply Usage (Hitachi High-performance NAS Platform only) . . . . . . . . . . . . . . . . . . . . . . 55Adding a System Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Viewing or Changing UPS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Configuring Power Failure Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

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4

Network Configuration

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Network Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66VLAN Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Jumbo Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

IP Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Default Gateways. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Static Routes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Dynamic Routes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Network Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Name Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70DNS and DDNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Registering a CIFS Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Secure DDNS Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 WINS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Directory Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72NIS (for NFS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 LDAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Configuring the Gigabit Ethernet Data Interfaces . . . . . . . . . . . . . . . . . 73Link Aggregations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Viewing Link Aggregation Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Viewing or Changing the Aggregation Configuration . . . . . . . . . . . . . . . . . . . . 74 Adding Aggregations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Deleting Aggregations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Viewing Existing IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Adding an IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Removing an IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Modifying Advanced IP Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Managing the Servers Route Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Configuring Name Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88Specifying and Prioritizing Name Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88


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Configuring Directory Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91Enabling and Configuring NIS and LDAP Services. . . . . . . . . . . . . . . . . . . . . . . . . 91 Enabling and Disabling NIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Viewing the NIS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Adding NIS Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Modifying the NIS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Changing the Priority of a Configured NIS Server. . . . . . . . . . . . . . . . . . . . . . . . . 96 Configuring LDAP to Provide NIS Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Adding an LDAP Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Modifying the LDAP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Modifying the LDAP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Changing Name Services Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

5

Storage Management

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 Storage Management Components. . . . . . . . . . . . . . . . . . . . . . . . . . 103 System Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104System Drive Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Storage Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105Tiered Storage Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106File System Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 File System Tiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Tiered File Systems and Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 File System Block Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 WORM File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 WORM Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Read Caches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Controlling File System Space Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Monitoring File System Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Increasing the Size of a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Usage Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Virtual Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Thin Provisioning File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

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Moving a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 File System Relocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Hitachi Data Systems Data Migrator . . . . . . . . . . . . . . . . . . . . . . . . . 120Data Migration Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 Types of Migration Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Cross Volume Links in Data Migrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Cross Volume Link Format Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . 124 Data Migrator Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Using System Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Using a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127Creating a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Adding the User Data Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Deleting Storage Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Expanding a Storage Pool or a Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 Reducing the Size of a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 Denying Access to a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 Allowing Access to a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Renaming a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 Configuring Automatic File System Expansion for an Entire Storage Pool . . . . . . . 146

Using File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148Creating a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Viewing Available File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 To View the Details of a File System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 Deleting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Formatting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 Mounting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Unmounting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Managing File System Expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Enabling/Disabling File System Auto-Expansion . . . . . . . . . . . . . . . . . . . . . . 170 Managing File System Auto-Expansion Confinement . . . . . . . . . . . . . . . . . . . 170 Expanding File System Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 Relocating a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Using System Lock on File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 Enabling and Disabling System Lock for a File System . . . . . . . . . . . . . . . . . . . . 176 Recovering File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Recovering a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Using WORM File Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181Designating Retention Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 Marking a file as WORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182


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Managing Usage Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183To Set User and Group File System Quota Defaults . . . . . . . . . . . . . . . . . . . . . . 184 To Add a File System Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 To Modify a File System Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187 To Delete a File System Quota. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Managing Virtual Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187Adding a Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 Modifying a Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Deleting a Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Managing Quotas on Virtual Volumes . . . . . . . . . . . . . . . . . . . . . . . . 192Viewing/Modifying Virtual Volume Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Setting User/Group Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 Adding a Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Deleting a Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 Exporting Quotas for All Virtual Volumes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199 Exporting Quotas for a Specific Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . 199

About the rquotad Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200rquotad Service Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Restrictive Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Matching Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

Configuring the Hitachi Data Systems Data Migrator . . . . . . . . . . . . . 202Configuring Data Migrator Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Adding a Local Data Migration Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 Adding External Data Migration Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Data Migration Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 Data Migration Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Migration Schedules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 Migration Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 Migration to HCP Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 Reclaimed Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Reversing Migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

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File ServicesSupported CIFS Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 Supported NFS Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

File System Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244

Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245CIFS Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 FTP Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 NFSv2/3 and NIS Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 Changing the Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

File System Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246 Enabling and Disabling File Services . . . . . . . . . . . . . . . . . . . . . . . . . 247 Managing File System Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248NFS Security and Kerberos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 Setting Secure NFS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 Mixed Security Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 CIFS Access to Native CIFS Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 NFS Access to Native NFS Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Client Access to Non-Native Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 UNIX Security Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 Viewing Security Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Changing Security Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Changing the Security Mode for a File System . . . . . . . . . . . . . . . . . . . . . . . 252 Changing the Security Mode for a Virtual Volume . . . . . . . . . . . . . . . . . . . . . 252 Mixed Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 File Locks in Mixed Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Opportunistic Locks (Oplocks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Exclusive and Batch Oplocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Level II Oplocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 User and Group Names in NFSv4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Configuring User and Group Mappings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Managing NFS User and Group Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 Importing User or Group Mappings From a File . . . . . . . . . . . . . . . . . . . . . . 265 Importing Users or Groups From an NIS or LDAP Server . . . . . . . . . . . . . . . . 268


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Sharing Resources with NFS Clients . . . . . . . . . . . . . . . . . . . . . . . . . 269Enabling NFS Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Supported Clients and Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 NFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Configuring NFS Exports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 The NFSv4 Pseudo File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Kerberos Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 Adding an NFS Export . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Viewing the Properties of an NFS Export . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 Backing Up and Restoring NFS Exports . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278

Using CIFS for Windows Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280CIFS Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280 Supported Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 Domain Controller Interaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 Dynamic DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 Configuring CIFS Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 Assigning CIFS Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 Joining an Active Directory (AD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 Adding a Server to an NT 4 Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286 Removing CIFS Server Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 Using NetBIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 Configuring Local Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 Adding a Local Group or Local Group Members . . . . . . . . . . . . . . . . . . . . . . 291 Deleting a Local Group or Local Group Members . . . . . . . . . . . . . . . . . . . . . 292 Configuring CIFS Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 Adding CIFS Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 Viewing and Modifying the Properties of a CIFS Share . . . . . . . . . . . . . . . . . 307 Controlling Access to Shares using Qualifiers . . . . . . . . . . . . . . . . . . . . . . . . 310 Controlling Access to Shares using Permissions . . . . . . . . . . . . . . . . . . . . . . 311 Offline File Access Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 Modifying or Deleting a Share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314 Backing Up and Restoring CIFS Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314 Using Windows Server Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 Using the Computer Management Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316 Creating or Managing Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318 Restoring a Previous Version of a File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318

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Transferring Files with FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319FTP Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 FTP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 Configuring FTP Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 To Configure FTP Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 Configuring FTP Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 Setting up an FTP User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 Importing an FTP User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 Viewing and Modifying FTP Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323 Setting Up FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 Configuring FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324

Block-Level Access Through iSCSI . . . . . . . . . . . . . . . . . . . . . . . . . . 326iSCSI Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326 iSCSI MPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 iSCSI Access Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 Supported iSCSI Initiators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 Offload Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 Configuring iSCSI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 Configuring iSNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 Configuring iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 Setting up iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 Managing iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 Setting Up iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 Viewing the Properties of iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . 338 Adding iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338 Adding a LU to an iSCSI Target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341 Modifying the Properties of an iSCSI Target . . . . . . . . . . . . . . . . . . . . . . . . 342 Deleting iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343 Configuring iSCSI Security (Mutual Authentication) . . . . . . . . . . . . . . . . . . . . . . 343 Configuring the Storage Server for Mutual Authentication . . . . . . . . . . . . . . . 343 Configuring the Microsoft iSCSI Initiator for Mutual Authentication . . . . . . . . . 345 Changing the Storage Servers Mutual Authentication Configuration . . . . . . . . 346 Accessing iSCSI Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347 Using iSNS to Find iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 Using Target Portals to find iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . 349 Accessing Available iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 Verifying an Active Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 Terminating an Active Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352 Using Computer Manager to Configure iSCSI Storage . . . . . . . . . . . . . . . . . . 353


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Accessing Snapshots Initiated by VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354 Removing VSS Initiated Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354 VSS Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354 Setting up the NAS Server for VSS Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . 355 Configuring VSS Access to a Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355 Installing the VSS Hardware Provider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 Specifying NAS Server Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357

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Data ProtectionCheckpoints and NVRAM Buffering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361 Buffering in a Cluster Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362 NVRAM Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363

Hardware-Based File System Consistency . . . . . . . . . . . . . . . . . . . . . 361

Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363Snapshots and the Volume Shadow Copy Service (VSS) . . . . . . . . . . . . . . . . . . . 364 Latest Snapshot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364 Quick Snapshot Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365 Accessing Snapshots Through NFS Exports and CIFS Shares . . . . . . . . . . . . . . . . 365

NDMP Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365Storage Management Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367

Data Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367Policy Based Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367 Incremental Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368 Incremental Data (File Level) Replication . . . . . . . . . . . . . . . . . . . . . . . . . . 368 Incremental Block-Level Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 Multiple Stream Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 Relocating File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370 Supported Replication Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371 TrueCopy and ShadowImage Considerations . . . . . . . . . . . . . . . . . . . . . . . . 371

Transfer of Primary Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373The Process of Transferring Primary Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . 373 How a Transfer of Primary Access Moves CNS Links . . . . . . . . . . . . . . . . . . . . . . 376

Virus Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377

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Using Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378Managing Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378 Creating Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378 Modifying Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381 Deleting Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382 Managing Individual Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382 Managing Snapshots Initiated by VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384

Using NDMP Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384Configuring NDMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384 NDMP Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384 Enabling and Disabling NDMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384 Specifying the NDMP User Name, Password, and Version . . . . . . . . . . . . . . . 386 Configuring NDMP Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387 Displaying NDMP Device Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392 Using NDMP with Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392 Backing Up Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392 Incremental Backups and Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394 Configuring NDMP Snapshot Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394 Backing Up Virtual Volumes and Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . 396 Clearing the Backup History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397

Using Data Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398Configuring Policy-Based Data Replication for Managed and Unmanaged Servers . 399 Connection Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403 Understanding Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 Understanding Custom Replication Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406 Using Replication Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406 Viewing Replication Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407 Adding a Replication Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407 Modifying a Replication Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411 Understanding Files to Exclude Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412 Replication Schedules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 Viewing Scheduled Replications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414 Adding a Replication Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415 Modifying a Replication Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416 Understanding Incremental Replications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419 Viewing Replication Status & Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420 Enabling Multiple Replication Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422 Setting NDMP Performance Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423


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Troubleshooting Replication Failures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 Manually Restarting a Failed Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . 426 Rolling Back an Incomplete Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426

Transferring Primary Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427Transferring Primary Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427 Handling a Failure during a Transfer of Primary Access . . . . . . . . . . . . . . . . . . . 430

Using Virus Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430Configuring Virus Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431 Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431 Notes on Installation and Configuration of a Virus Scanning Application . . . . . 431 Enabling Virus Scanning on the Storage Server . . . . . . . . . . . . . . . . . . . . . . . . 432 Forcing Files to be Rescanned . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 434

8

Scalability and ClusteringClusters and Server Farms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436 Clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436 Server Farms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438 Clusters versus Server Farms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439 Virtual Servers (EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440 Secure Virtual Servers (Secure EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440 Cluster Name Space (CNS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448 CNS Usage Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449 EVS Name Spaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435

Using Virtual Servers (EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454EVS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454 Creating an EVS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454 Assign a File System to an EVS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455 Virtual Server (EVS) Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457 Viewing Virtual Server (EVS) Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458 Migrating Virtual Servers (EVSs) within a Cluster . . . . . . . . . . . . . . . . . . . . . . . . 460 Migrating an EVS within a Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460 Migrating an EVS within a Server Farm . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462 Cloning Server Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462 Migrating an EVS Within a Server Farm . . . . . . . . . . . . . . . . . . . . . . . . . . . 463

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Using Clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465About Cluster Licensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465 Configuring New Clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467 Configuring the First Cluster Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467 Joining an Existing Cluster Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469 Joining an Existing Cluster Using Web Manager . . . . . . . . . . . . . . . . . . . . . . . . . 469 Managing a Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470 Configuring the Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470 Viewing Cluster Node Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472 Quorum Device Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475

Using Cluster Name Space (CNS). . . . . . . . . . . . . . . . . . . . . . . . . . . 476Viewing the Cluster Name Space Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477 Viewing the EVS Name Space Tree. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477 Managing Links and Subdirectories in the EVS Name Space . . . . . . . . . . . . . . . . 478 Creating a Cluster Name Space Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 478 Creating a CNS Root Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479 Creating CNS Subdirectories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479 Creating a File System Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480

Changing Cluster Name Space Properties . . . . . . . . . . . . . . . . . . . . . 482Deleting a Cluster Name Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 482 Renaming a CNS Subdirectory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483 Moving a CNS Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483 Deleting a CNS Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483 Modifying a File System Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484 Deleting a File System Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484

Using Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484Prerequisites for Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484 Configuring Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485 Setting File Caching Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485 Reviewing Read Cache Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487 Deleting a Read Cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 490 Read Caching Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 490


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9

Status and Monitoring

Status & Monitoring Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491 Hitachi Data Systems Storage System Status . . . . . . . . . . . . . . . . . . 492Using the Server Status Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492 Checking the System Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493 Checking the Status of a Server Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495 Checking the Status of a UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Checking the Status of the SMU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Monitoring Multiple Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502 Using Hitachi Device Manager to Monitor HDS Storage Subsystems . . . . . . . . . . . 503 Managing HDvM Server Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 503

Performance Graphs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 507Controlling the Performance Graph Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509 Displaying a Custom Date Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509 Displaying the Performance Graph Page . . . . . . . . . . . . . . . . . . . . . . . . . . . 512 Displaying the File System Ops/Sec Graph . . . . . . . . . . . . . . . . . . . . . . . . . 525 Displaying the File System Capacity Graph . . . . . . . . . . . . . . . . . . . . . . . . . 526 Displaying the Storage Pool Capacity Graph . . . . . . . . . . . . . . . . . . . . . . . . 528 Downloading Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 529

Storage Server Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530Ethernet Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531 Viewing Ethernet Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531 Viewing Aggregated Ports or Per Port Ethernet Statistics . . . . . . . . . . . . . . . 532 TCP/IP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533 Viewing TCP/IP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534 Viewing Aggregated Ports or Per Port TCP/IP Statistics . . . . . . . . . . . . . . . . . 535 Viewing TCP/IP Detailed Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536 Fibre Channel Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 537 Viewing the Fibre Channel Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 538 To View Per Port Fibre Channel Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . 540 File and Block Protocol Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541 Viewing NFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541 Viewing CIFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 544 FTP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 549 iSCSI Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 551

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Data Access and Performance Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 554 Server and File System Load (Ops per second) . . . . . . . . . . . . . . . . . . . . . . 554 Viewing Ops/Sec Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 554 File System NVRAM Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 555 Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 Access Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 SNMP Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557 HTTPS Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559 VSS Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561 Virus Scanning Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 562

Event Logging and Notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 563Using the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 564 Viewing and Filtering the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 564 Setting up Event Notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 566 Setting Up an SNMP Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575 Using the Windows Event Viewer to Clear NAS Server Logs. . . . . . . . . . . . . . . . . 581

File System Auditing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581About File System Audit Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582 Controlling File System Auditing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 Creating a File System Audit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 Enabling Auditing for a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586 Modifying a File System Audit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 588 Enabling/Disabling Auditing for a File System . . . . . . . . . . . . . . . . . . . . . . . 589 Deleting a File System Audit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590 Viewing File System Audit Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590

FTP Auditing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 591Managing FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592 Enabling and Disabling FTP Audit Logging for an EVS . . . . . . . . . . . . . . . . . . 592 Configuring FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 593 Viewing FTP Audit Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 595

Monitoring Fibre Channel Switches . . . . . . . . . . . . . . . . . . . . . . . . . 595Displaying the Connectivity Status of Fibre Channel Switches . . . . . . . . . . . . . . . 596 Using System Monitor to Display Switch Connectivity Status . . . . . . . . . . . . . 596 Using Web Manager to Display Switch Connectivity Status . . . . . . . . . . . . . . 597 Adding FC Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598 Displaying or Changing Details about an FC Switch . . . . . . . . . . . . . . . . . . . . . . 599


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10 Maintenance TasksSystem Software and Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . 601 Managing License Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 601License Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604 Adding a License Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604 Deleting a License Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605

Checking Version Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605Displaying Storage Server Version Information . . . . . . . . . . . . . . . . . . . . . . . . . 605 Displaying Version Information for the SMU . . . . . . . . . . . . . . . . . . . . . . . . . . . 607

Providing an SSL Certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608Requesting and Generating Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608 Generating a Custom Private Key and SSL Certificate. . . . . . . . . . . . . . . . . . . . . 608 Generating a Certificate Signing Request (CSR) . . . . . . . . . . . . . . . . . . . . . . . . 609 Generating a CSR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 609 Acquiring a SSL Certificate from a Certificate Authority (CA) . . . . . . . . . . . . . . . . 610 Installing and Managing Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 610 Installing a Certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 610 Restoring the Default SMU Certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611 Accepting Self-Signed Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 612

A

Using Storage Management ApplicationsNDMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615 DIRECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615 EXCLUDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 616 EXTRACT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 616 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617 FILESYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 616 FUTURE_FILES HIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617

Supported Environment Variables . . . . . . . . . . . . . . . . . . . . . . . . . . 615

LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617 NDMP_BLUEARC_AWAIT_IDLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617 NDMP_BLUEARC_EMBEDDED_HARDLINKS . . . . . . . . . . . . . . . . . . . . . . . . . 618 NDMP_BLUEARC_EXCLUDE_MIGRATED . . . . . . . . . . . . . . . . . . . . . . . . . . . 619 NDMP_BLUEARC_EXTERNAL_LINKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 620

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NDMP_BLUEARC_FH_CHARSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 621 NDMP_BLUEARC_FH_NAMETYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 621 NDMP_BLUEARC_INCLUDE_ONLY_MIGRATED . . . . . . . . . . . . . . . . . . . . . . . 622 NDMP_BLUEARC_MULTI_CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 622 NDMP_BLUEARC_OVERWRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 622 NDMP_BLUEARC_QUOTAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 623 NDMP_BLUEARC_READAHEAD_PROCESSES . . . . . . . . . . . . . . . . . . . . . . . . 623 NDMP_BLUEARC_REMIGRATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624 NDMP_BLUEARC_SNAPSHOT_DELETE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624 NDMP_BLUEARC_SPARSE_DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624 NDMP_BLUEARC_SPARSE_FILE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625 NDMP_BLUEARC_SPARSE_LIMIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625 NDMP_BLUEARC_TAKE_SNAPSHOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625 NDMP_BLUEARC_USE_CHANGE_LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626 NDMP_BLUEARC_USE_SNAPSHOT_RULE TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . 626 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626

UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627

Specifying File Names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627 Important Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627


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xxiv


Physical and Logical Components

1

Overview of Hitachi Data Systems NAS Storage SystemsTheHitachiNASPlatformandtheHighperformanceNASPlatformare enterpriseclassnetworkstorageserversthatprovidehighperformanceread/ writeaccesstodatathroughmultipleprotocols,suchasCIFS,NFS,iSCSI,and FTP.Thesesystemssupport: Standaloneservers,orclustersofuptoeightnodes Tieredstorage Asinglenamespacewithglobalaccess Virtualizedstoragepools,servers,filesystems,andvolumes Readcaching Globalsymlinks DataprotectionthroughNVRAMmirroring,snapshots,NDMPbased backup,virusscannerintegration,automaticdatamigration,policybased datareplication,datarelocation(withtransferofprimaryaccess),quorum devices User,group,andvirtualvolume(directory)quotas Completetoolsformanagingthesystemandmonitoringsystemstatus, includingWebManager(abrowserbasedgraphicaluserinterface),aJava basedclientforgatheringrealtimestatistics,andacommandline interface. ThestorageservercanalsoacquireFibreChannelinformationandpublish thedetailtotheHitachiDeviceManager(HDvM)Server.Thisintegration allowstheHitachiTieredStorageManager(HTSM)toviewinformation aboutFibreChanneldevicesattachedtoaHitachiHighperformanceNAS PlatformorclusterbysearchingforthatinformationontheHitachi DeviceManager. Licensekeysareusedtocontroltheavailabilityofsomesystemfeaturesand functionality.Formoreinformationonlicenses,seeManagingLicenseKeys, onpage601orcontactyourHitachiDataSystemsrepresentative.

Physical and Logical ComponentsTheHitachiNASPlatformandtheHighperformanceNASPlatformare highlyscalableandmodularNetworkAttachedStorage(NAS)servers,with multigigabitthroughputfromnetworktodisk.Theyconsistofthefollowing elements:System Administration Guide1

Overview of Hitachi Data Systems NAS Storage Systems

ASystemManagementUnit(SMU),eitherinternalorexternal,depending onmodelandsystemconfiguration HitachiNASPlatform(s)and/orHighperformanceNASPlatform(s) Virtualservers(EVSs) Privatemanagementnetwork Publicdatanetwork Storagesubsystem(s)

System Management Unit (SMU)

TheSMUmanagesthestorageserversand/orclusters,andprovidesfrontend serveradministrationandmonitoringtools.Itsupportsclustering,data migration,andreplication,andmayactastheQuorumDeviceinacluster. Althoughintegraltotheserver,theSMUisnotinthedatamovementpath betweenthenetworkclientandtheserver. TherearetwokindsofSMU;externalandinternal. AnexternalSMUisaseparatedeviceinthestorageserversystem.An externalSMUcanmanageuptoeight(8)storageservers/clustersinany combination.EachexternalSMUcanmanagebothHitachiNAS Platforms/ClustersandHighperformanceNASPlatforms/Clusters. Toprovidehighavailabilityforthemigrationandreplicationservices, whichdependontheSMU,youcanconfigureyoursystemwithastandby SMU.ThestandbySMU,whichisasecondexternalSMU,canbebrought onlinetoreplaceafailedprimarySMU. AninternalSMUisaservicethatrunsontheHitachiNASPlatformand providesthesamemanagementandmonitoringfunctionalityasan externalSMU.AninternalSMUcanmanageasinglestandaloneHitachi NASPlatform(anexternalSMUisrequiredtomanagemorethanasingle HitachiNASPlatform). WhenusinganinternalSMU,thereisnowaytoconfigureastandbySMU.

Storage Server

Thestorageserverspatentedarchitectureisstructuredaroundbidirectional datapipelinesandahardwarebasedfilesystem.Itscalesto4petabytesof data,supportinghighersustainedaccessloadswithoutcompromising performance.Itcanbeconfiguredasasingleserverorasaservercluster.All networkclientscommunicatedirectlywiththeserver. TheserverprocessesfileaccessrequestsfromnetworkclientsviaGigabit Ethernet.Itreadsandwritesfrom/tooneormultiplestoragedevices, connectedthroughFibreChannel(FC)links.Thestoragesubsystemcanbe configuredwithasingleserver.Itcanalsobeconfiguredwithmultipleservers clusteredtogether;astheysharethesamestoragedevices,networkrequests canbedistributedacrossclusternodes. Note:WhilethefirstgenerationNASserversupportedclusterswithuptotwo nodes,theHitachiHighperformanceNASPlatformnowsupportsclusters

2



withuptoeightnodes.Shouldoneclusternodefail,itsfileservicesandserver administrationfunctionsaretransferredtoothernodes.HitachiNAS Platformclustersmayhaveuptoeithertwoorfournodes,dependingon serverseries.Allnodesinaclustermustbeofthesamefamily(HitachiHigh performanceNASPlatformsorHitachiNASPlatforms),andaclustermay notbemadeupofamixtureofmodelswithinaseries. TheHitachiNASPlatformisrackmountableandconsistsofamotherboard, aservermainboard,threehotswappablefantraysandtwohotswappable redundantpowersupplies.Thefrontpaneldisplayssystemstatuswitha greenpowerLEDandanamberfaultLED.TheonlyFieldReplaceableUnits (FRUs)accessiblefromthefrontoftheserverchassisarethecoolingfansand theNVRAMbatterybackuppack.Theunitisservicedfromitsrearpanel, whichincludesadditionalstatusLEDs,connectors,andpowersupplies.For moreinformationabouttheHitachiNASPlatformhardware,seethe HitachiNASPlatformHardwareReference. TheHitachiHighperformanceNASPlatformisrackmountableand consistsofapassivebackplane(notremovable),fourmodules,threehot swappablefantraysandtwohotswappableredundantpowersupplies.The frontpaneldisplayssystemstatuswithagreenpowerLEDandanamber faultLED.TheonlyFieldReplaceableUnits(FRUs)accessiblefromthefront oftheserverchassisarethecoolingfans.Theunitisservicedfromitsrear panel,whichincludesadditionalstatusLEDs,connectors,andFRUs,suchas thepowersuppliesandservermodules.Formoreinformationaboutthe serverhardware,seetheHitachiHighperformanceNASPlatformHardware Reference.

Virtual Servers (EVSs)AllfileservicesareprovidedbyvirtualserverentitiesreferredtoasEVSs. EachEVSisassigneduniquenetworksettingsandstorageresources,enabling administratorstheflexibilitytologicallypartitionaccesstosharedstorage resources.Inserverclusters,EVSsareautomaticallymigratedbetweenservers whenfaultsoccurtoensuremaximumavailability.Whenmultipleserversor clustersareconfiguredwithcommonstorageaccess,theyarereferredtoas ServerFarms.EVSscanbemanuallymigratedbetweenserversinaServer Farmbasedonperformanceandavailabilityrequirements.

Private Management NetworkTheprivatemanagementnetworkconnectstheSMUanddevicessuchas FibreChannel(FC)switches,anduninterruptiblepowersupply(UPS)units. Theprivatemanagementnetworkisisolatedfromthepublicdatanetworkby theSMU.Theprivatemanagementnetworkconnectstheprivatemanagement interfaceoftheSMU,theEthernetmanagementinterfaceontheserver,andall oftheEthernetmanageddevicesthatmakeupthestoragesystem. Devicesontheprivatemanagementnetworkareonlyaccessiblefromthe publicdatanetworkthroughtheSMU,whichusesNetworkAddress


3


Translation(NAT)toconvertthepublicIPaddressofadeviceintothedevices addressontheprivatemanagementnetwork. AnexternalSMUhastwo10/100/1000MbpsEthernetinterfaces.Theeth0 interfaceconnectstothepublicdatanetwork,andeth1connectstotheprivate managementnetwork. Thefollowingillustrationshowstheprivatemanagementnetwork connectionswithanexternalSMU.

AninternalSMUusestwo10/100/1000MbpsEthernetportsonthestorage servermotherboardasmanagementinterfaces.Liketheportsonanexternal SMU,eth0connectstothepublicdatanetworkandeth1connectstotheprivate managementnetwork. Thefollowingillustrationshowstheprivatemanagementnetwork connectionswithaninternalSMU.

4



ThediagrambelowshowshowNATisolatestheprivatemanagement network.TheexampleshowsadevicewiththeIPaddress192.0.2.13:80 accessiblethroughHTTP,andaseconddevicewithIPaddress192.0.2.14:443 accessiblethroughHTTPS.ThesedevicesappearonthePublicDatanetwork as10.1.1.13:28013and10.1.1.13:28014(where10.1.1.13istheSMUsIPaddress onthepublicdatanetwork).


5


Public Data Network

Fromthestorageserverperspective,thepublicdatanetworkconsistsofthe aggregationsofEthernetportsconnectedtothenetworktowhichclientsare connected.Thepublicdatanetworkprovidesaccessforgettingdataintoand outoftheNASstoragesystem,andbothclientrequestsandserverresponses gothroughthepublicnetwork.Inaddition,theNASservermaybe configuredtoallowmanagementaccessthroughthepublicdatanetwork. FromtheSMUperspective,thepublicnetworkisusedtocommunicatewith administrators,anditmayalsobeusedtocommunicatewiththestorage subsystems.

Storage Subsystem

Thestoragesubsystemcontainsthedevicesthatstorethedatamanagedby thestorageserver.Theserversupportstieredstorage,whichsimultaneously connectsmultiplediversestoragesubsystemsbehindasingleserverunit(or cluster).Usetieredstoragetocustomizetheservertomatchthestorage requirementsofyourapplications,andyoursystemrequirementsfor performanceandscaling. ThestoragesubsystemismadeupofRAIDcontrollers,storagedevicesand theFibreChannel(FC)infrastructure(suchasFCswitchesandcables)usedto connectthesedevicestoasingleserverorcluster.

TheHitachiDataSystemsHitachiNASPlatformandtheHighperformance NASPlatformsupporttiersofstorageaswellasstoragevirtualization throughHitachiUniversalStoragePlatformUSPVandUSPVMtechnology. TiersofstorageandstoragevirtualizationarefullysupportedbyData Migrator,anoptionalfeaturewhichautomaticallymigratesdataamong storagetiersinasubsystemoramongsubsystemsofprimaryandsecondary storage.Basedonuserdefinedpolicies,DataMigratormonitorsfilemetadata suchassize,type,durationofinactivity,accesshistory,andsoon.Whenthe criteriaofapolicyaremet,DataMigratormigratesfilesaccordingrules specifiedinthepolicyasbackgroundtasks,withminimalimpactonserver performance.Fromtheperspectiveoftheclientworkstation,primaryversus secondaryfilelocationistransparent.NotethatDataMigratordoesnot supportmigratingdatatoorfromtapelibrarysystems.6 Hitachi NAS Platform and High-performance NAS Platform

Managing a Server/Cluster

TheHitachiNASPlatformandtheHighperformanceNASPlatformsupport tieredfilesystemsandtieredstoragepools.Eachtierinthefilesystem/storage poolismadeupofdeviceswithdifferentperformancecharacteristicsor technologies.WhenusedwithHitachiDataSystemsstoragesubsystems,the storageserversalsosupportstoragevirtualizationthroughTagmaStore UniversalStoragePlatformandTagmaStoreNetworkStorageController technology.

Default User Name and Password

Thefollowingtableprovidesalldefaultsystemlogins:

SystemComponent SMUWebManager SMUCLI SMU Enteringthisspecificusernameandpassword willprovideunlimitedaccessontheSMU. Storageserver(CLI)

Username admin manager root

Password

nasadmin nasadmin nasadmin

supervisor

supervisor

Managing a Server/ClusterServer/clustermanagementisperformedthroughWebManager(abrowser basedgraphicaluserinterface)orthroughcommandsissuedusinga commandlineinterface(CLI).Mostmanagementfunctionscanbe accomplishedthroughWebManager,butsomeoperationsrequireusingthe CLI.Thefollowingsectionsdescribethesemanagementinterfacesindetail.

Using Web Manager

TheWebManageradministrationtoolprovidesabrowserbasedinterfacefor managingstandaloneorclusteredserver(s)andtheirattachedstorage subsystem(s).Thistoolallowsyoutoperformmostadministrativetasks,from anyclientonthenetworkusingasuitableWebbrowser(MicrosoftInternet Explorer6.0orlater,orFirefox1.5orlater). Note:WhenaccessingtheSMUthroughWebManager,somebrowsersmay failwithanerrormessageofSecureConnectionFailedduetoaninvalid securitycertificate.Thissituationmayoccurthefirsttimeyouaccessanew SMU,orwhentheSMUsIPaddressorhostnamehavebeenchanged.Ifyou receivethiserrormessage,youmustaddtheSMUssecuritycertificate.Refer tothebrowsershelptofindinformationonhowtoaddacertificate,andmake suretopermanentlystoretheexception. AsanalternativetotheWebManager,youcanusetheCommandLine Interface(CLI).Formoreinformation,seeUsingtheCommandLineInterface, onpage10.TheCLIisdocumentedintheCommandLineReference,whichis availablethroughalinkontheWebManagerDocumentationpage.


7


Server Status ConsoleTheHomepageintheWebManagersconsoledisplayssummarystatus informationpertainingtothecurrentlymanagedserver:

InterpretthecolorcodedStatusindicatorasfollows: Green.Operatingnormally(servernotshowinganalertcondition). Amber.Warningcondition(serveroperatingnormally,butactionshould betakentomaintainnormaloperation). Red.Criticalcondition(servernolongerfunctioningorfailinginaway thatpresentsadangertothesystem).

Accessing Web Manager Pages (Navigation)TheWebManagerusesatwolevelpagestructure,includinglinkstospecific functionsandcategoriesthatwrapthosefunctions.Clickingonalinkstartsits targetfunction,whileclickingonacategoryloadsapage. ThetoplevelpageistheWebManagerHomepage:

8



Thispagegroupsfunctionsassociatedwiththecurrentlymanagedserverunder pagecategories,including: Status&Monitoring:SystemMonitor,EventLog,EmailAlertsSetup, SNMP,ManagementAccessStatistics,etc. ServerSettings:EVSManagement,ServerSetupWizard,Cluster Configuration,etc. StorageManagement:FileSystems,SystemDrives,StoragePools,Virtual Volumes,Quotas,DataMigration,etc. DataProtection:VirusScanning,Replication,Snapshots,NDMPbackup, etc. FileServices:CNS,NFSExports,CIFSShares,iSCSI,FTP,UserMapping, GroupMapping,etc. NetworkConfiguration:IPAddresses,NameServices,NIS/LDAP Configuration,IPRoutes,LinkAggregation,etc.

Additionalcategories(notassociatedwiththecurrentlymanagedserver): SMUAdministration:ManagestheSMUitself(forexample,currently managedserverselection,security,privatemanagementnetwork). Documentation:Linkstodocumentation,includingtheonlinehelp,this manual,andthefollowingdocuments: System Administration Guide

HitachiHighperformanceNASPlatformCommandLineReference HitachiNASPlatformCommandLineReference HitachiHighperformanceNASPlatformHardwareReference HitachiNASPlatformHardwareReference StorageSubsystemGuide9


Note:BoththeHighperformanceNASPlatformCommandLineReference andtheHitachiNASPlatformCommandLineReferenceareavailable throughtheDocumentationpageofWebManager,regardlessofwhich platformyouareusing.Allcommandscommontobothplatformsare documentedinbothCommandLineReferences,butplatformspecific commandsaredocumentedonlyintheCommandLineReferenceforthat platform.

Web Manager TablesSomeofthepagesintheWebManagerinterfaceincludetables:

Using the Command Line Interface

ThestorageserverandtheSystemManagementUnit(SMU)eachcomewitha commandlineinterface(CLI)forconfigurationandmanagement.Both supportsecureconnections,configurablepasswords,andothersecurity mechanisms. Note:FormoreinformationontheCommandLineInterface(CLI),refertothe CommandLineReference,whichcanbeaccessedthroughtheDocumentation pageofWebManager(seeUsingWebManager,onpage7formore

10



information).

SMU Command Line InterfaceSerialconsoleconnection TheSMUshipswithoutapreconfigurednetworksetup.Toperformthe initialsetup,accesstheSMUthroughadirectserialconnection.Onceits networkconfigurationhasbeencompleted,accesstheSMUsCLIdirectly throughSSHorthroughaJavaenabledSSHsessionrunningunderWeb Manager. Toconnectusingaserialconsole 1. Connectserialcable. AttachanRS232nullmodemcable(DB9FemaletoDB9Female)tothe serialportontheSMUbackpanel.Attachtheotherendoftheserialcable toaterminal(e.g.laptop). 2. Configureterminalemulation. Settheterminalemulationprogram(suchasWindowsHyperTerminal)to thefollowingsettings:115,200b/s,8bits/byte,1stopbit,Noparity. 3. LogintotheSMU. Loginastheusermanager.Whenprompted,enterthepasswordforthe usermanager. 4. Onceconnected,launchthestorageserverCLIorselectSMUshell. FromtheSMUcommandline,accesstheserverCLIusingoneofthe methodsinthedisplayedmenu,orenterqtoaccesstheSMUshell. SSHConnection TheSMUcanbeaccessedusinganySSHclient.Notethattheclientshouldbe configuredtosupporttheUTF8(Unicode)characterencoding. ForWindowsandotherswithoutanSSHclient,accesstheSMUviaSSHTerm. SSHTermisaJavaSSHclient(applet)developedby3SPanddistributedunder theGeneralPublicLicense(GPL).SSHTermprovidesaconvenient,cross platformalternativetootherSSHclients. ToconnectusingSSHTerm: 1. VerifyJavaversionandstatus. SSHTermrequiresJava1.4.xorgreater.Gotohttp://www.java.comto verifythatyourbrowserhasthelatestversionoftheJavaPlugininstalled andenabled. 2. NavigatetoSSHTerm. FromtheHomepage,clickSMUAdministration;thenselectSSHTerm. 3. LaunchSSHTerm.


11


ClickLaunchSSHTerm.WhentheSSHclientappletwindowpopsup, acceptthecertificateregisteredto3SPLTD,andclickAlwaysorYeswhen askedtoallowthehost. SSHTermautomaticallyconnectstotheSMUasusermanager. 4. Whenprompted,enterthepasswordfortheusermanager. 5. Repeatasdesired. MultipleSSHTermwindowsmaybeusedatonce.JustclickLaunch SSHTermforeachnewSSHsession. 6. Whenfinished,terminatethesession. WhentheSSHsessionhasfinished,justclosethewindow.

Server Command Line InterfaceThestorageservershipswithacomprehensivecommandlineinterface(CLI), documentedseparatelyintheHighperformanceNASPlatformCommandLine ReferenceandtheHitachiNASPlatformCommandLineReference. Youcanaccesstheserver/clusterCLIthroughtheServerControl(SSC)utility, availableforWindowsandLinux. YoucanaccesstheCLIinthefollowingways: SecureShell(SSH)connectionintotheserverthroughtheSMU. SSHorTelnetconnectiondirectlyintotheserver. ServerControl(SSC)utility,availableforWindowsandLinux. PerlServerControl(PSSC)utility,availableforalloperatingsystemswith PERLsupport.

Note:ToaccessthestorageserverCLIdirectly,usingSSH,Telnet,SSC,orPSSC throughthepublicnetwork,aserveradministrationIPaddressmaybe assignedtoatleastoneoftheGigabitEthernetinterfaces.Theserversupports accesstoitsCLIthroughanyadministrativeIPaddress;bydefault,an administrativeIPaddressisavailableontheprivatemanagementnetwork. Note:WhenusingtheserversCLI,theconsoledeviceshouldbeconfiguredto useUTF8(Unicode)encoding.WhenusingtheCLIthroughSSH,Telnet,SSC, orPSSC,theserversendsandexpectstoreceivedatausingUTF8encoding,so thedevicesendingdatatoorreceivingdatafromtheservershouldbe configuredtouseUTF8encoding. SSHviatheSMU TheSMUsupportsSSH.AfterloggingintotheSMU,theSMUcanredirect connectionsdirectlytotheserversCLI.Thiscanbeusefulfortworeasons: 1. IteliminatestheneedtoassignaserveradministrationIPaddresstothe Gigabitinterfaceoftheserver.

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2. Itenhancesthesecurityoftheserverbyisolatingadministrativeaccessto theprivatemanagementnetwork. ToSSHintotheserver,usingtheSMUasaproxy: 1. ConnecttotheSMUthroughSSH. 2. LogintotheSMUasmanager. Alistofserverswillappear.Selectthetargetserver.TheSMU automaticallyinitiatesaconnectiontotheserversCLI. Whenprompted,entertheusernamesupervisorandthepasswordfor thesupervisoruseraccount. SSHorTelnet WhenconnectingtoaHighperformanceNASPlatform/clusterthroughSSH orTelnetthroughtheadministrativeservicesEVSIPaddress,loginusingthe usernamesupervisor.HitachiNASPlatforms/clustersdonotsupportSSHor Telnetconnections.Notethattheadministratormusthaveconfiguredthe servertoacceptSSHorTelnetconnections,andtheSSH/Telnetclientshould beconfiguredtosupportUTF8(Unicode)characterencoding. ToSSHintotheserver: 1. ConnecttotheserversadministrativeservicesDNSnameorIPaddress:ssh supervisor@server_name_or_IP

2. Whenprompted,enterthesupervisoruserspassword. ToTelnetintotheserver: 1. ConnecttotheserversadministrativenameorIPaddress:telnet server_name_or_IP

2. Whenprompted,enterthesupervisoruserspassword. SSC/PSSC TheservercanconnecttotheSMUfromWindowsPCsandfromLinux/Unix workstationsviaSSC,whichprovidesasecureconnectionusingamodified versionoftheArcfourcipherforencryptionandSha1forauthentication. Itcomesintwovarieties: SSCforWindowsandLinux. PSSC,aPerlscriptedversionofSSCforLinux/Unixoperatingsystems.

UsetheSSCscriptingutilitytoaccesstheserversCLI.Theserversupports SSCaccesstoitsCLIthroughanyadministrativeIPaddress.Bydefault,the privatemanagementnetworkhasanadministrativeIPaddressavailable. ThesyntaxforSSC:System Administration Guide13


ssc [-u ] [-p ] [:] []

ThesyntaxforPSSC:pssc [-u ] [-p ] [-t ] [-e ] [:] []

Thefollowingtabledefinesthevariables:

Syntax Username Password Timeout EVS

Description Useraccount(typicallysupervisor). Password.Ifnonespecified,SSC/PSSCwillpromptforone. Atimeout(inseconds)forasingleusecommand. SpecifiesaparticularEVS(byitsnumericalEVSid)asthe targetforasingleusecommand. TheserversadministrationIPaddressorhostname. IftheSSC/PSSCportnumberhasbeenchangedfromits defaultof206,theportnumberconfiguredforSSCmustbe specifiedinthecommandsyntax. Commandtoexecute.Ifnocommandisspecified,SSC/ PSSCallowsinteractivecommandentry.

Host Port

Command

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2

Quick System ConfigurationSysteminstallationandinitializationtasksareusuallyperformedbyHitachi DataSystemsSupportCenter.Followingsysteminitialization,basic configurationisrequiredtoreadythesystemforuse.Oncethesystemis operational,optionalconfigurationchangescanbemadeatanytime,either byfieldservicepersonnelorbysystemadministrators. Thissectionexplainshowtousewizardstocompletethebasicconfiguration oftheSMUandtheserver.SeeOptionalConfigurationSteps,onpage23for informationaboutoptionalconfigurationtasksandprocedures.

Using the SMU Setup WizardForanexternalSMU,basicSMUconfigurationisusuallyperformedasapart ofsysteminitialization.TheSMUsetupwizardisusedtocompletethebasic configurationofanSMU.UsingtheSMUSetupWizard,youcanchange accesspermissionstotheSMU,setupnameservicesfornetworkoperation, andconfigurethedateandtime. TousetheSMUsetupwizard: 1. NavigatetotheSMUSetupWizardpage. FromtheSMUAdministrationpage,displaythewizardbyclickingSMU SetupWizard:

Asthewizardprogresses,enterrequestedinformationaccordingtothe followingguidelines:


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Item/Field Passwords

Description ThispageallowsyoutospecifythedefaultpasswordfortheSMUwhentheadmin useraccessestheSMUusingHTTP(WebManager).Bydefault,thepasswordis nasadmin.Youshouldchangethedefaultpasswordassoonaspossible. ThispageallowsyoutosetIPaddressesoftheDNSserversandthedomainsearch orderthatwillbeappliedtotheSMU. Thispageallowsyoutospecifythehostname(nottheIPaddress)oftheemail servertowhichtheSMUcansendandrelayeventnotificationemails. ThispageallowsyoutosettheclockontheSMUandselectoneormoreNTP servers. ThispageallowsyoutoconfiguretheIPaddressoftheSMUseth1interfaceonthe privatemanagementnetwork.

DNSServerSetup

SMTPRelay

Date&Time

Privatemanagement network

2. Saveyourchanges. Uponcompletion,thewizarddisplaysapagesummarizingparameters entered.Toaccept,clickfinish.ThenclickOKtoreboot.

Selecting SMU-Managed ServersTheSMUmanagesmultiplestorageservers/clustersandtheirassociated storagesubsystems.UsetheManagedServerspagetoaddinformationabout eachserver;specifically,theIPAddressandusername/passwordoftheserver tobemanaged.Onlyoneserver,thecurrentlymanagedserver,maybemanaged atonetime.FromtheManagedServerslist,anyservercanbeselectedasthe currentlymanagedserver. TodisplaytheserversmanagedbytheSMU: 1. NavigatetoManagedServers. FromtheSMUAdministrationpage,displaytheconfigurationpageby clickingManagedServers:

16


Selecting SMU-Managed Servers

InterpretthecolorcodedStatusindicatorasfollows: Green.Operatingnormally(servernotshowinganalertcondition). Amber.Warningcondition(serveroperatingnormally,butaction shouldbetakentomaintainnormaloperation). Red.Criticalcondition(servernolongerfunctioning).

2. Selectanaction. ThefollowingActionsareavailable: ClickSetasCurrentforanyservertomakeitthecurrentlymanaged server.(Alternatively,youcanusethedropdownboxintheServer StatusconsoleontheHomepage.) ClickaddtoaddanewservertotheManagedServerslist,thenrefer tothenextstepinthisprocedure. ClickremovetoremovetheselectedserversfromtheManaged Serverslist.Makeaselectionbyfillingaserverscheckbox,orclick checkalltoremoveallserversfromtheManagedServerslist.

3. Addaserver(optional). Inthepreviousstep,youclickedadd.WhentheAddServerpage displays,


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completethefields,thenclickOK. WhentheSMUaddsamanagedserver,thefollowingactionsoccur: Iftheserverismanagedthroughtheprivatemanagementnetwork,the SMUseth1IPaddressisaddedtotheserverslistofNTPservers. Iftheserverismanagedthroughtheprivatemanagementnetwork,the SMUseth1IPaddressisconfiguredastheserversPrimarySMTP server.Iftheserverwasalreadyconfiguredtouseamailserver,this serverwillautomaticallybecometheBackupSMTPserver. AusernameandpasswordarepreservedontheSMUsothat,when usingWebManager,youcanselectthisserverasthecurrentmanaged serverwithoutcausingtheservertopromptforadditional authentication.

Using the Server Setup WizardDuringtheinitialsetupoftheserverperformedusingtheSMUSetupWizard (seeUsingtheSMUSetupWizard,onpage15)anumberofconfiguration settings,suchassystemnameanddate/timewerespecified.Youcanchange thesesettingsusingtheproceduresinthefollowingsections.Licensekeysalso mustbeinstalledtoenabletheprotocolsandservicespurchasedwiththe servers(seeManagingLicenseKeys,onpage601). Thiswizardcr

NAS-HDS - System Administration Guide

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