EMC VMAX All Flash and EMC VMAX3 Family Release Notes

7/26/2019 EMC VMAX All Flash and EMC VMAX3 Family Release Notes

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HYPERMAX OS 5977.811.784 forEMCVMAXAll Flash andEMCVMAX3Family

Release NotesREVISION 02


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Copyright 2016 EMC Corporation. All rights reserved. Published in the USA.

Published April 08, 2016

EMC believes the information in this publication is accurate as of its publication date. The information is subject to change

without notice.

The information in this publication is provided as is. EMC Corporation makes no representations or warranties of any kind withrespect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a

particular purpose. Use, copying, and distribution of any EMC software described in this publication requires an applicablesoftware license.

EMC, EMC, and the EMC logo are registered trademarks or trademarks of EMC Corporation in the United States and othercountries. All other trademarks used herein are the property of their respective owners.

For the most up-to-date regulatory document for your product line, go to EMC Online Support (https://support.emc.com).

EMC CorporationHopkinton, Massachusetts 01748-91031-508-435-1000 In North America 1-866-464-7381www.EMC.com

2 HYPERMAX OS 5977.811.784 for EMC VMAX All Flash and EMC VMAX3 Family Release Notes


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5

Revision History 7

Revision history...............................................................................................8

VMAX All Flash Product Description 9

Product description.......................................................................................10

VMAX All Flash New and Changed Features 11

New features.................................................................................................12Platform and infrastructure.............................................................. 12HYPERMAX OS data services............................................................ 13Management software......................................................................13Security............................................................................................14Serviceability................................................................................... 14Embedded NAS................................................................................14

Changed features..........................................................................................14

VMAX3 Product Description 15

Product Description.......................................................................................16

VMAX3 New and Changed Features 17

New features.................................................................................................18Platform and infrastructure ..............................................................18HYPERMAX OS data services............................................................ 19Management software......................................................................22Serviceability................................................................................... 23

Changed features..........................................................................................24HYPERMAX OS data services............................................................ 24Management software......................................................................26Serviceability................................................................................... 26ProtectPoint..................................................................................... 27

Embedded NAS................................................................................28

Support Deprecation 29

Support deprecation .....................................................................................30

Fixed Issues 31

Base functionality......................................................................................... 32Enhancement................................................................................................36Fibre channel................................................................................................ 36Mainframe.....................................................................................................37

Online configuration change......................................................................... 38

Tables

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

CONTENTS

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Open replicator............................................................................................. 38Open systems............................................................................................... 39SRDF family...................................................................................................39SRDF/A..........................................................................................................41SymmWin......................................................................................................41TimeFinder-SnapVX.......................................................................................41

Virtual provisioning.......................................................................................42

Known Issues and Limitations 43

Known issues ...............................................................................................44Limitations....................................................................................................44

Platform and infrastructure.............................................................. 44HYPERMAX OS data services............................................................ 45Management software......................................................................50Serviceability................................................................................... 50ProtectPoint..................................................................................... 51Security............................................................................................51

Legacy limitations............................................................................51

Hardware and Firmware 53

Hardware and firmware support.................................................................... 54

Additional Resources 55

Additional resources..................................................................................... 56

Chapter 8

Chapter 9

Chapter 10

CONTENTS



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Revision history...............................................................................................................8V-Brick details .............................................................................................................. 12Flash upgrade pack details............................................................................................12HYPERMAX OS data services ......................................................................................... 13Embedded Management ...............................................................................................13Unisphere 360 for VMAX ...............................................................................................13Security......................................................................................................................... 14Serviceability.................................................................................................................14Embedded NAS..............................................................................................................14VMAX3 Family engines ..................................................................................................18VMAX3 Platform and Configuration support for CKD ...................................................... 18Extent table size increase ............................................................................................. 19Group ID Number increase.............................................................................................19

Mainframe CKD support.................................................................................................19IBM High Performance FICON enhancements................................................................. 19IBM zHyperWrite enhancements.................................................................................... 20Metadata efficiency ...................................................................................................... 20Mobility Safe ID with ALUA ............................................................................................20Non-disruptive software upgrade .................................................................................. 20Non-disruptive software downgrade.............................................................................. 20TimeFinder SnapVX........................................................................................................21Symmetrix Remote Data Facility.....................................................................................21Compatible Native Flash................................................................................................ 21Concurrent Copy............................................................................................................21Virtual Volumes.............................................................................................................22

Transaction Processing Facility ..................................................................................... 22Scalability of management software.............................................................................. 22Mainframe Enabler........................................................................................................ 22Unisphere 360...............................................................................................................23Internal IP Network........................................................................................................ 23Managed File Transfer ...................................................................................................23FAST.X Incorporation......................................................................................................24SRDF enhancements......................................................................................................24SRDF/A Multi-Cycle Mode.............................................................................................. 24SRDF/S..........................................................................................................................25SRDF/Metro...................................................................................................................25SRDF N-X support ..........................................................................................................25SRDF N-X topology support matrix..................................................................................25

Service Level management ........................................................................................... 26Pre-configuration of the VMAX3 Family arrays................................................................ 26ProtectPoint...................................................................................................................27Embedded NAS..............................................................................................................28Deprecated support.......................................................................................................30Dynamic Virtual Matrix limitation................................................................................... 44VMAX engine serviceability limitations.......................................................................... 44VMAX performance improvement limitation................................................................... 44VMAX3 Hypervisor limitation..........................................................................................45SRDF/A limitation ......................................................................................................... 45SRDF/Metro limitations..................................................................................................45SRDF N-X support limitations......................................................................................... 47

Data compression limitations........................................................................................ 47

12345678910111213

141516171819202122232425

26272829303132333435363738

394041424344454647484950

51

TABLES

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SRDF features not available........................................................................................... 47Open Replicator limitation.............................................................................................48Online addition of DX emulation limitation ....................................................................48FAST.X limitation............................................................................................................49Online device expansion limitation................................................................................49Metadata efficiency limitation........................................................................................49

Mainframe CKD support.................................................................................................49Mobility Safe ID with ALUA.............................................................................................50Embedded management limitations.............................................................................. 50Simplified SymmWin limitation......................................................................................50Dual Management Module Control Station limitations................................................... 50ProtectPoint limitation...................................................................................................51Data at Rest Encryption limitation..................................................................................51Legacy limitations .........................................................................................................51

525354555657

5859606162636465

TABLES



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CHAPTER 1

Revision History

This section includes the following topic:

l Revision history.......................................................................................................8

Revision History 7


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Revision history

Table 1

Revision history

Revision Date Description

01 April 4, 2016 First release of EMC HYPERMAX OS

5977.811.784 for the VMAX All Flash and

VMAX3 Family.

02 April 8, 2016 Second release of EMC HYPERMAX OS

5977.811.784 for the VMAX All Flash and

VMAX3 Family, includes additional

mainframe updates.

Revision History



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CHAPTER 2

VMAX All Flash Product Description


l Product description...............................................................................................10

VMAX All Flash Product Description 9


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Product descriptionLearn about the VMAX All Flash arrays: 450F, 450FX, 850F, 850FX.

VMAX All Flash

HYPERMAX OS 5977.811.784 provides advanced data services for all mission-criticalapplications with VMAX All Flash. These data services address the new requirements ofthe modern data center while continuing to provide reliability and availability, making itthe ideal platform for open system and mainframe environments. The VMAX All Flash ispurpose-built to easily manage high-demand, heavy-transaction workloads while storingpetabytes of vital data.

For more detailed product information, reference the documents listed in AdditionalResources on page 56.

VMAX All Flash Product Description



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CHAPTER 3

VMAX All Flash New and Changed Features

This section includes the following topics:

l New features......................................................................................................... 12l Changed features.................................................................................................. 14

VMAX All Flash New and Changed Features 11


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New featuresLearn about the new features introduced in HYPERMAX OS 5977.811.784.

Features are categorized per area:

l Platform and infrastructure on page 12

l HYPERMAX OS data services on page 13

l Management software on page 13

l Security on page 14

l Serviceability on page 14

l Embedded NAS on page 14

Platform and infrastructure


Table 2

V-Brick details

Area Feature Description

Platform and

Infrastructure

V-Brick details The VMAX All Flash hardware infrastructure for the 450F, 450FX, 850F, 850FX is designed

around the V-Brick. Each V-Brick consists of:

l 1 x engine, 2 x DAEs, and 1 capacity pack

l Each engine can be configured with 1 TB or 2 TB cache

l All engines must have the same cache types

l Capacity is increased by adding 13 TB Flash Capacity Packs.

l 450F and 450FX systems can be configured with 1 to 4 vBricks

l 850F and 850FX systems can be configured with 1 to 8 vBricks

For information on platform and configuration support for CKD, reference Platform and

infrastructure on page 18.

Table 3 Flash upgrade pack details


Platform andInfrastructure

Flash upgradepack details

Multiple increments of Flash Capacity Packs can be added to a V-Brick. The following Flashupgrade packs are available:

l 13 TB (960 GB drives)

l 26 TB (1.9 TB drives)

l 53 TB (3.84 TB drives)




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HYPERMAX OS data services

Table 4 HYPERMAX OS data services

Area Description

HYPERMAX OS

data services

VMAX All Flash supports the following data services:

l Virtual Volumes (VVols)

l SnapVX

l Symmetrix Remote Data Facility (SRDF)

l SRDF/Metro

l CloudArray

l AppSync

l ViPR

l ProtectPoint

l Open Replicator

HYPERMAX OS 5977.811.784 currently supports mainframe, open systems and IBM i.

For more detailed HYPERMAX OS data services information and VMAX All Flash software options, reference

HYPERMAX OS data services on page 19and the EMC VMAX All Flash Product Guide for VMAX 450F, 450FX ,

850F, 850FX with HYPERMAX OS .

Management software

Table 5 Embedded Management

Area Description

Management

software

Embedded Management (eManagement) is available for VMAX All Flash arrays running HYPERMAX OS

5977.811.784.

Pre-installed in the factory, eManagement enables customers to further simplify management, reduce cost,

and increase availability by running management software directly on storage systems.

eManagement supports Unisphere for VMAX, Solutions Enabler, SMI-S without the requirement of a separate

server.

Table 6

Unisphere 360 for VMAX

Area Description

Management

software

HYPERMAX OS 5977.811.784 adds support for Unisphere 360 for VMAX. Unisphere 360 is an on-premises

management solution that provides a single management view across VMAX storage systems.

Refer to Table 29 on page 23for more details.


HYPERMAX OS data services 13


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Security

Table 7 Security

Area Description

Security VMAX All Flash supports Data at Rest Encryption (D@RE). D@RE provides hardware-based, on array, back-end

encryption using I/O modules to encrypt and decrypt data written to the disk drives.

Serviceability

Table 8

Serviceability

Area Description

Serviceability The VMAX All Flash arrays are custom-built and pre-configured with the following features:

l Virtual provisioning which includes:

n Data devices (TDAT)

n Virtual provisioning pool

n Disk group (RAID 5, RAID 6)

l Embedded NAS (eNAS)

l SRDF (hardware aspects are pre-configured)

l ProtectPoint (hardware aspects are pre-configured)

l eManagement

l D@RE

l Mainframe (FICON host attachment and CKD device support)

Embedded NAS

Table 9

Embedded NAS

Area Description

Embedded NAS eNAS is fully integrated into the VMAX All Flash platform. eNAS provides flexible and secure multi-protocol filesharing (NFS 2.0, 3.0,4.0/4.1), CIFS/SMB 3.0) and multiple file server identities (CIFS and NFS serves).

For more detailed eNAS information, reference Table 42 on page 28.

Changed features

There are no changed features in this release.




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CHAPTER 4

VMAX3 Product Description


l Product Description...............................................................................................16

VMAX3 Product Description 15


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Product DescriptionLearn about the VMAX3 Family of arrays: 100K, 200K, 400K.

VMAX3 Family

VMAX3 arrays running HYPERMAX OS 5977.811.784 support mainframe-only, opensystems-only, and mixed mainframe/open systems environments. The VMAX3 platformprovides the following new performance, scale, and density features:

l 16 Gb/s FICON (16/8/4 Gb)

l T10-DIF protection for CKD data in cache and on disk

l 64k CKD devices

The VMAX3 also provides alignment and support for IBM enhancements. Thiscompatibility ensures that the VMAX3 can handle the most demanding and mission-critical mainframe environments while exploiting the latest IBM z Systems capabilities.


Note

For information on HYPERMAX OS releases 5977.498.472, 5977.596.583, and

5977.691.684 reference the EMC VMAX3 Family with HYPERMAX OS 5977, Release Level

HYPERMAX OS 5977.691.684Release Notes.

VMAX3 Product Description



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CHAPTER 5

VMAX3 New and Changed Features


l New features......................................................................................................... 18l Changed features.................................................................................................. 24

VMAX3 New and Changed Features 17


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New featuresLearn about the new features introduced in HYPERMAX OS 5977.811.784 .


l Platform and infrastructure on page 18






Table 1

VMAX3 Family engines


Platform and

Infrastructure

VMAX3 Family

engines

HYPERMAX OS 5977.811.784 supports:

l 32 FICON front-end ports per engine

l 16 Gb/s FICON front-end I/O modules using FICON emulation, which also supports 4 Gb/s

and 8 Gb/s link speeds

l Improved FICON performance by utilizing the VMAX3 multi-thread, multi-core architecture

l 960 GB and 1,920 GB high-capacity Enterprise Flash Drives (EFD)

Table 11

VMAX3 Platform and Configuration support for CKD


Platform and

Infrastructure

VMAX3

Platform and

Configuration

support for CKD

The VMAX3 support for CKD is pre-configured and includes:

l 16 GB FICON (16/8/4 Gb) / CKD support for VMAX 100K, 200K, 400K that provides:

n Forward Error Correction (FEC)

Note

Reference Salesforce Article 480568for FEC implementation

n Query Host Access (QHA) Channel Command Word (CCW)

n Read Diagnostic Parameter CCW support

l T10-DIF protection for CKD data in cache and on disk

l 64k CKD devices

l Mainframe CKD support 3380 & 3390

l SymmWin support of CKD configurations

l FICON online core mappings


https://support.emc.com/kb/480568


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Table 12 Extent table size increase


HYPERMAX OS

data services

Extent table

size increase

HYPERMAX OS 5977.811.784 increases the extent table size, providing the following benefits:

l Increased concurrent I/Os to a single device

l Improved FICON performance

l Increased capacity

Table 13

Group ID Number increase


HYPERMAX OS

data services

Group ID

Number

increase

A Group ID Number (GIDN) is a host identifier that associates an active path group with a

logical partition (LPAR). For HYPERMAX OS 5977.811.784 and later, the number of supported

GIDN is increased from 256 to 512 per system.

Table 14

Mainframe CKD support


HYPERMAX OS

data services

Mainframe CKD

support

HYPERMAX OS 5977.811.784 introduces Mainframe CKD support to the VMAX3. This feature

supports the ability to:

l Locate FBA and CKD TDATs in the same drive but assigning them to different pools

l Locate FBA and CKD pools in the same Storage Resource Pool (SRP)

l Convert between FBA and CKD back-end TDATs devices

Table 15

IBM High Performance FICON enhancements


HYPERMAX OS

data services

IBM High

Performance

FICONenhancement

VMAX3 provides full IBM High Performance FICON (zHPF) support which includes:

l

List prefetch and bi-directional supportl QSAM/BSAM access method support

l Single and multi track support

l Format writes




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Table 16

IBM zHyperWrite enhancements


HYPERMAX OS

data services

IBM

zHyperWrite

enhancement

HYPERMAX OS 5977.811.784 supports the new IBM zHyperWrite enhancement which improves

the DB2 log write response time in Metro Mirror (Peer-to-Peer Remote Copy (PPRC)

synchronous) environments that are Hyperswap enabled.

Table 17

Metadata efficiency


HYPERMAX OS

data services

Metadata

efficiency

Metadata efficiency is improved in HYPERMAX OS 5977.811.784 by changing the format of the

directors local memory structures and reducing the system cache consumption.

Table 18

Mobility Safe ID with ALUA


HYPERMAX OS

data services

Mobility Safe

ID with ALUA

This feature provides universally unique virtual volume identifiers. Mobility Safe ID increases

the number of supported devices and improves the ability to migrate devices throughout a

customer's environment.

ALUA is a SCSI 3 feature which allows a storage device to indicate to a host which paths are

preferred.

Table 19

Non-disruptive software upgrade


HYPERMAX OS

data services

Non-disruptive

software

upgrade

This feature enables the customer to non-disruptively upgrade from HYPERMAX OS

5977.691.684 to HYPERMAX OS 5977.811.784. Customers running HYPERMAX OS

5977.596.583 must upgrade to HYPERMAX OS 5977.691.684 prior to upgrading to HYPERMAX

OS 5977.811.784.

To enable Mainframe support, a non-disruptive software upgrade is available for existing

VMAX3 arrays installed at HYPERMAX OS 5977.691.684. For VMAX3 arrays installed at

HYPERMAX OS 5977.596.583 and earlier, contact your EMC representative for details.

Table 2

Non-disruptive software downgrade


HYPERMAX OS

data services

Non-disruptive

software

downgrade

This feature enables the customer to non-disruptively downgrade from HYPERMAX OS

5977.811.784 to HYPERMAX OS 5977.691.684. Downgrade limitations apply, contact your

EMC representative for details.




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Table 21

TimeFinder SnapVX


HYPERMAX OS

data services

TimeFinder

SnapVX

HYPERMAX OS 5977.811.784 provides SnapVX support for CKD including emulation support

for TimeFinder/Clone, TimeFinder/Mirror, and TimeFinder/Snap. SnapVX enhancements

include:

l Replication Data Pointers (RDP) space alert

l RDP space allocation

l SnapVX terminate unlink option

Table 22

Symmetrix Remote Data Facility


HYPERMAX OS

data services

Symmetrix

Remote DataFacility

HYPERMAX OS 5977.811.784 includes the following SRDF capabilities for Mainframe

environments:

l SRDF/S - Synchronous mode of remote replication

l SRDF/A - Asynchronous mode of remote replication

l Concurrent SRDF and Cascading SRDF Support

l Adaptive Copy Disk mode

l 3 site and 4 site configuration and STAR support

l IBM Metro Mirror and Global Copy (formerly PPRC synchronous and PPRC EXtended

DIstance)

Table 23 Compatible Native Flash


HYPERMAX OS

data services

Compatible

Native Flash

HYPERMAX OS 5977.811.784 provides Flashcopy support for CKD devices. Support includes:

l Dataset level Flashcopy

l Full Volume Incremental Flashcopy

l Remote Pair Flashcopy in combination with Metro Mirror (only available for VMAX3 arrays

running HYPERMAX OS 5977.811.784 or later).

Table 24

Concurrent Copy


HYPERMAX OS

data services

Concurrent

Copy

HYPERMAX OS 5977.811.784 provides support for Concurrent Copy.




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Table 25

Virtual Volumes


HYPERMAX OS

data services

Virtual

Volumes

VMAX3 arrays running HYPERMAX OS 5977.811.784 support VVols. VVols simplify

management and provisioning in virtualized environments by allowing the storage

management process control at the virtual machine (VM) level, rather than at the LUN level.

This finer level of control allows VMware and cloud administrators to assign specific storage

attributes to each VM according to its performance and storage requirements.

Table 26 Transaction Processing Facility


HYPERMAX OS

data services

Transaction

Processing

Facility

Transaction Processing Facility (z/TPF) is an IBM Mainframe Operating system characterized by

high-volume transaction rates with significant communications content, z/TPF is available on

VMAX3 arrays running HYPERMAX OS 5977.811.784. The EMC Product Suite for z/TPF consists

of:

l TimeFinder Controls for z/TPF

l SRDF Controls for z/TPF

l ResourcePak for z/TPF

Management software


Table 27 Scalability of management software


Management

software

Scalability of

management

software

VMAX3 arrays running HYPERMAX OS 5977.811.784, adds support for the following VMAX

software management products:

l Mainframe Enabler V8.0

l Unisphere 360

Refer to Table 28 on page 22and Table 29 on page 23for more details.

Table 28 Mainframe Enabler


Management

software

Mainframe

Enabler

Mainframe Enabler v8.0 allows you to monitor and manage a VMAX3 array running HYPERMAX

OS 5977.811.784. The following components are distributed and installed as a single

package:

l ResourcePak Base for z/OS

l SRDF Host Component for z/OS

l EMC Consistency Groups for z/OS

l AutoSwap for z/OS




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Table 28

Mainframe Enabler


l TimeFinder SnapVX

l TimeFinder/Clone Mainframe Snap Facility

l TimeFinder/Mirror for z/OS

l TimeFinder Utility

Additional management software includes:

l z/TPF v8.0 Replication Suite

l GDDR v5.0

Table 29

Unisphere 360


Management

software

Unisphere 360 HYPERMAX OS 5977.811.784 introduces Unisphere 360 which provides the ability to display:

l All arrays from each enrolled Unisphere instance in one place

l Five high level health or performance metrics that include:

n Compliance data

n Performance health score

n Capacity health score

n Input/Output operations per second (IOPS)

n Throughput

l Compliance scores for all enrolled arrays

Serviceability


Table 3

Internal IP Network


Serviceability Internal IP

Network

HYPERMAX OS 5977.811.784 provides a custom address range to avoid a network address

conflict within customer data centers.

Table 31

Managed File Transfer


Serviceability Managed File

Transfer

Managed File Transfer (MFT) improves the file transfer capability for HYPERMAX OS code

bundles, enabling automated code updates.


Serviceability 23


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Changed featuresLearn about the changed features for HYPERMAX OS 5977.811.784.





l ProtectPoint on page 27

l Embedded NAS on page 28



Table 32

FAST.X Incorporation


HYPERMAX OS

data services

FAST.X

Incorporation

HYPERMAX OS 5977.811.784 introduces FAST.X Incorporation, a hybrid of encapsulation and

external provisioning mode; it provides the ability to instantly import an existing external

dataset, in-place as FAST.X capacity, into any Storage Resource Pool (SRP).

Table 33

SRDF enhancements


HYPERMAX OS

data services

SRDF

enhancements

HYPERMAX OS 5977.811.784 includes the following SRDF enhancements:

l Mainframe remote replication support

l Lower response times

l Increased number of ports/groups per SRDF director

l 16 Gb/s front-end I/O modules are supported for SRDF functionality

Table 34

SRDF/A Multi-Cycle Mode


HYPERMAX OS

data services

SRDF/A Multi-

Cycle Mode

SRDF/A Multi-Cycle Mode (MCM) provides shorter and more predictable Recovery Point

Objectives (RPO) and allows more than two delta sets to exist on the source array between

VMAX3 arrays running HYPERMAX OS 5977.811.784. For more information, reference the EMC

Solutions Enabler SRDF CLI Guide.




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Table 35

SRDF/S


HYPERMAX OS

data services

SRDF/S SRDF/S performance has been enhanced in HYPERMAX OS 5977.811.784 by utilizing data flow

parallelism to improve application response times.

Table 36

SRDF/Metro


HYPERMAX OS

data services

SRDF/Metro HYPERMAX OS 5977.811.784 provides SRDF/Metro support for:

l FAST.X devices

l vSphere API for Array Integration (VAAI) support for unmap and write same

l SCSI 2 and SCSI 3 Cluster

l iSCSI (limited support)

l Boot from SAN (limited support)

l New host and Multipath I/O (MPIO) for mainly AIX and Solaris

Reference the EMC Support Matrix (ESM) for more information on iSCSI, Boot from SAN, and

Host/MPIO additions.

Table 37

SRDF N-X support


HYPERMAX OS

data services

SRDF N-X SRDF N-X support enables replication to/from existing VMAX arrays with 5876 Enginuity to/

from VMAX3 arrays with HYPERMAX OS 5977.811.784 and supports CKD, FBA and thick/thindevices. Reference Table 38 on page 25SRDF N-X topology support matrix for more

information. For previous HYPERMAX OS 5977 releases, reference the EMC VMAX3 Family with

HYPERMAX OS 5977, Release Level HYPERMAX OS 5977.691.684 Release Notes.

Table 38 SRDF N-X topology support matrix

HYPERMAX OS5977 version

Enginuity 5876 version (with required N-X fixes)

2-Site & 3-Site SRDF(Concurrent, Cascaded, andStar)

SRDF/Metro SRDF/SQAR

5977.811.784 5876.288.195 5876.288.195 (SRDF/Metro

Witness Only)

5876.288.195

5977.691.684 5876.286.194 5876.286.194 (SRDF/Metro

Witness Only)

N/A

5977.596.583 5876.272.177 N/A N/A




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Note

l EMC recommends running the latest version of Enginuity, the Enginuity versions

shown are the minimum versions required for each SRDF configuration with the

required N-X fixes. Contact your EMC representative for more information.

l VMAX arrays running Enginuity 5876 with CKD zBoost feature require additional RDFfixes to connect to HYPERMAX OS 5977.811.784.

l HYPERMAX OS 5977.811.784 supports CKD only.

Management software


Table 39

Service Level management


Management

software

Service Level

management

Service Level (SL) management for HYPERMAX OS 5977.811.784 has been enhanced to

provide the ability to:

l Plan

n FAST hinting for SQL server

l Provision

n Mainframe (FICON) support including CKD support

l Monitor

n

Unisphere 360n Exclude SL windows

l Manage

n Non-disruptive migration

n IPS packaging

n Infrastructure updates

Serviceability


Table 4

Pre-configuration of the VMAX3 Family arrays


Serviceability Pre-

configuration

of the VMAX3

Family arrays

For HYPERMAX OS 5977.811.784 factory pre-configuration now includes:

l Mainframe (FICON host attachment and CKD device support)

The arrays are also custom-built and pre-configured with the following features:

l DATA devices (TDATs)




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Table 4

Pre-configuration of the VMAX3 Family arrays


l Data pools

l Disk groups

l Storage Resource Pool (one by default is pre-configured)

l Service Levels:

n Diamond, Platinum, Gold, Silver, Bronze* (open system)

n Diamond, Bronze* (CKD device)

l eNAS

l SRDF (hardware aspects are pre-configured)

l FAST.X & ProtectPoint (hardware aspects are pre-configured)

l eManagement

l D@RE

l FCoE & iSCSI

Note

Optimized is the default Service Level setting.

Note

* For HYPERMAX OS 5977.596.583 and later, Bronze SL no longer requires 7.2K drives.

ProtectPoint


Table 41

ProtectPoint


ProtectPoint ProtectPoint On storage arrays running HYPERMAX OS 5977.811.784, ProtectPoint adds the capability to

accelerate the data recovery process by using a differential restore to perform a full restore of

the protected data.

Note

The Data Domain backup appliances must be running Data Domain OS 5.7.1 or later.


ProtectPoint 27


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Embedded NAS


Table 42

Embedded NAS


Embedded NAS Embedded NAS HYPERMAX OS 5977.811.784 validates eNAS on all HYPERMAX OS code and supports:

l 512 TB Capacity per Data Mover (applies to VMAX 200K, 400K and active Data Movers

only)

l VMAX 400K with up to 8 Data Movers (requires a minimum of 4 engines)




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CHAPTER 6

Support Deprecation


l Support deprecation .............................................................................................30

Support Deprecation 29


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Support deprecationLearn about features that are not supported in HYPERMAX OS 5977.

Table 43 Deprecated support

Type Description HYPERMAX OS

Device types Removed: Thick device types are now superseded by thin device types.

Improvement: Thin device types reduce cost, improve capacity utilization,

and simplify storage management.

HYPERMAX OS

5977.250.189

Removed: The functionality within Vault to consume Symmetrix device

numbers.

Note

Vault still exists, only the functionality mentioned above has been

removed.

Removed: The functionality within Symmetrix File System to consume

Symmetrix device numbers.

Note

Symmetrix File System still exists, only the functionality mentioned above

has been removed.

Device attributes Removed: Fixed Block Architecture Metas

Removed: Multiple local mirrors

Removed: Legacy IBM i models (2107 emulations for VMAX 20K and 40K)

Other functionality Removed: Permacache

Removed: SymmIP

Removed: VLUN (v2)

Removed: Priority Quality of Service (QoS)

SRDF Adaptive Copy Write Pending

Note: Disk mode is still supported

HYPERMAX OS

5977.811.784

Support Deprecation



31/60

CHAPTER 7

Fixed Issues


l Base functionality................................................................................................. 32l Enhancement........................................................................................................36l Fibre channel........................................................................................................ 36l Mainframe.............................................................................................................37l Online configuration change................................................................................. 38l Open replicator..................................................................................................... 38

l Open systems....................................................................................................... 39l SRDF family........................................................................................................... 39l SRDF/A..................................................................................................................41l SymmWin..............................................................................................................41l TimeFinder-SnapVX...............................................................................................41l Virtual provisioning...............................................................................................42

Fixed Issues 31


32/60

Base functionality

Service

requestnumber

Fix

number/OPTnumber

Problem summary Impact Knowledge

base article

69049624,

75832678

81400 During a Vault restore, drives may log wrong disk - mismatch in

serial number (error DD10) and drop Not Ready (Error 100B). The

problem is triggered by the HYPERMAX OS when incorrectly clears the

drive World Wide Name (WWN) from the back-end director drive WWN

table.

Errors:DD10, 100B

Potential Data

Unavailability

197961

70721164 84375 During a Link Control Card (LCC) firmware upgrade, BC2B.5E and

BC2B.4C errors may be logged when an activation reset is performed

on each expander. This fix ensures that link issues do not occur

during the firmware load and provides enhanced debug reporting

information for Serial Attached SCSI (SAS) related events.

Special Conditions:LCC firmware upgrade

Errors:BC2B.5E, BC2B.4C

No Impact N/A

70859338,

73342530,

74092948,

74208500,

74935450,

75287782,75544700,

76081772,

76171580,

76447346,

76483988,

76551432

84568 When a Fibre Channel director times out a host write I/O, it posts a

7810.44 error and leaves a lost slot lock on one of the tracks. This

will prevent other Fibre Channel directors accessing the track and

posting xx3C.07 errors.

Errors: 7810.44 , xx3C.07

Potential Data

Unavailability

N/A

72335418 83903 There may be a race condition between threads that can lead to an

exception (0EFF) when tracing a host-initiated abort (AB3E) or reset

(013D) at the same time that the oldest I/O on the device is releasing

its resources after the I/O is completed. This is a very rare condition.

Errors:0EFF, AB3E, 013D

No Impact N/A

72595010,

77034420

85931 During a Meta Data repository expansion, a repository hash table

corruption may cause a director to become unresponsive.

Errors:BE3E.EA, BE10.E6, BE10.F9, BE1D.1D, 02F2.01

Potential Data

Unavailability

N/A

70822272,

72774142,

74564844

84008 A heap data integrity issue, occurring on a port of the host director,

may cause hosts to be unable to connect to that port.

Special conditions:This may occur during link bounce orconnection lost/re-establishment events.

Error:01F2.03

Potential Data

Unavailability

199552

Fixed Issues

https://support.emc.com/kb/199552https://support.emc.com/kb/197961


33/60

Servicerequestnumber

Fixnumber/OPTnumber

Problem summary Impact Knowledgebase article

72063528,

73899796,74629424,

76061480,

76581922

84411 Pre-fetch used a non-standard lock holder that could not be freed by

the scrubbing mechanism. In this rare situation, a slot was incorrectlyleft locked and it had to be manually unlocked.

Special conditions:A slot is only left locked if a Fibre Channeldirector fails while in the process of updating the pre-fetch indication

on a track. This is very rare.

Exposed environment:Open Systems

Errors:8810.34, 283C.07

Potential Data

Unavailability

N/A

73752498,

77430382

84646 Pool rebalancing performance is slower than expected when a pool is

less than 50% utilized.

Potential

Performance

Issue

N/A

73899796,

75360316

85644 A data unavailable event may occur when an online device upgrade

activity fails to expand the memory heap to accommodate the new

device meta data and the director is power cycled before the memory

heap expansion problem is addressed. This is an extremely rare

event.

Potential Data

Unavailability

N/A

74662666,

75287310,

75308480

86363 Under certain overlapping I/O profiles there could be performance

degradation and long response times due to contention.

Potential

Performance

Issue

N/A

75375958 85943 Under rare circumstances Syscall 920B_2C that is used to collect

statistics form the Infrastructure Manager (IM) director may cause the

Data Services Emulation (EDS) director to become unavailable.

Errors:0EFF, 93FF

Potential Data

Unavailability

N/A

75266576,

76046324,

76746402,

76881320

86583 After a system restart, an internal heap corruption exposed by an

initiator may lead to the Fibre Channel director port becoming

unreceptive to further initiator logins.

Errors:01F2.02, AB38, D023

Potential Data

Unavailability

N/A

75585230 86223 The SYMCLI command "symdev -sid -devs free -all" may

fail with the error "One or more arguments are invalid." when stuck

local replication sessions are present on the device.

Potential

Application

Failure

N/A

75658172,

76562442

86214 An 0EFF.FF page fault causes Fibre Channel director slices to perform

an exception initialization process. This causes ports to go offline fora short period before coming back online.

Errors:0EFF, 0320.06, 0320.11, 4020.64

Potential Data

Unavailability

N/A

76027824 86432 iSCSI (Solutions Enabler) director slices may become unavailable if

there are more than 10 TCP connections and syscall 9235 is issued

by STP, causing a buffer overrun.

Special conditions:An environment where the number of iSCSIconnections exceeds 10 (excluding internal connections with

addresses 172.16.0.x and 172.17.0.x).

Errors: 2A.0DFF.FF, 2A.01F2.0A

Potential

Performance

Issue

N/A

Fixed Issues

Base functionality 33


34/60


Fixnumber/OPTnumber


75946208 86904 During a director, System Interface Board (SIB) or memory

replacement or a memory upgrade, another director board in thesystem could become unavailable due to a SymmWin hourly

scheduled task that checks the status of the door LED. When the task

executes during the memory copyback step, it can cause an

exception reset which results in the director becoming unavailable

due to being in memory copyback state.

Error:93FFs

Potential Data

Unavailability

N/A

76258716 86677 After replacement, a flash I/O module may not sync up and continues

to show as not ready.

Potential Data

Unavailability

N/A

76146894,

76808874

86833 In an environment upgraded from HYPERMAX OS 5977.498.472 to

5977.596.583 online, and then to 5977.961.684, uninitialized

pipelines will be present causing Storage vMotion failures. This

results in logging 5f10.e0 and 5f3e.e0 error messages.

Errors: 5f10.e0, 5f3e.e0.

Potential Data

Unavailability

N/A

76532452 86932 This fix prevents CC3E.00 errors from logging excessively on Fibre

Channel directors when a F1 Compare Write command fails during

the compare phase.

Error:CC3E.00

No Impact N/A

77706910 20017769 During an online configuration change SymmWin may fail to merge

the existing Thin Devices (TDEV) with the new TDEV. The problem is

exposed by having TDEV and FTS devices in the configuration.

Potential Data

Unavailability

N/A

76615356 87173 Drive Hard Resets could occur when issuing an ACC command to a

spindle. The command could leave ports in Pending-Discovery for the

spindle which could prevent IO to drives, leading to 0113, and 283C

errors.

Exposed Environment:SAS back-end

Errors:0113, 283C, CD23, BC2B

Potential Data

Unavailability

N/A

76646696 86918 The scrubbing mechanism for metadata involved in logical replication

has been enhanced to prevent the need for director reboots.

Potential Data

Unavailability

N/A

76634696 86952 After a Director replacement or a Flash SLIC replacement, the VMAX3

system may fail to synchronize the Flash SLICs if there are flash

pages where all file system (FS) mirrors are invalid.

Potential Data

Unavailability

N/A

76757410,

76909196,

77142750,

77191882,

77235520,

77240550,

77248004,

77265102,

77315162,

87413 The Hitachi Sunset Cove Plus solid-state drive (SSD) firmware may

trigger cyclic redundancy check (CRC) errors on RAID parity tracks

when writing IZERO tracks.

Note

This fix requires fix 87673.

Errors: 282C.11, CD23.26, AD2C.94

Potential Data

Loss/Data

Unavailability

N/A

Fixed Issues



35/60


Fixnumber/OPTnumber


77343450,

77718854,77918830

496357SYM 87673 When a drive drops Write Disable (WD) it may leave a stuck RAID

Queue entry.

Error: B9.AD10.0C errors

Potential Data

Unavailability

N/A

76419128 87019 The front-end director may log 2A.0EFF.FF causing GuestOS (eNAS) to

reboot. An internal scrubbing mechanism may trigger a page fault

exception on the front-end director when freeing a stale device lock.

Error:2A.0EFF.FF

Potential Data

Unavailability

N/A

76935736,77685390,

77706910

87275 93FF.FF errors are logged on the Fibre Channel directors during a Fatboot sequence, when the host sends a LUN reset to a device that has

a group reservation but no Persistent Group Reservation (PGR), and

the stack overflows when trying to read the reservation; or if the

reservation has been transferred to another Fibre Channel director in

the group.

Error:93FF.FF

Potential DataUnavailability

N/A

76911692 87115 Performing a virtual storage platform (VSP) migration from an Hitachi

Data System (HDS) to a VMAX3 array results in incorrect VMAX3 serial

number and device World Wide Identifiers (WWIDs) being discovered.

This in turn prevents the customer from initiating the migration.

Special conditions:Only occurs when port settings SPC2 andOS2007 are turned off.

Potential Data

Unavailability

N/A

76993252,

77310836

87202 The online engine upgrade activity may take many hours to complete.

The SymmWin script may get stuck at the step

monitor_md_mirrors_add_process that is rebalancing the Metadata

File System.

Potential Data

Unavailability

N/A

6461268 87683 After enabling the following Solutions Enabler counters the SE

director may log a 0EFF error and become unavailable due. This is

caused by syscall 9235_21.

Solutions Enabler counters:

storstpd:dmn_se_tcp_metrics = Enabledstorstpd:dmn_se_nw_metrics = Enabled

storstpd:dmn_se_nwi_metrics = Enabled

storstpd:dmn_re_sg_metrics = Enabled

storstpd:dmn_re_nwc_metrics = Enabled

Error:0EFF

Potential Data

Unavailability

N/A

74428918,

75869960,

76506298

85086 After upgrading Solutions Enabler from V8.0.3 to V8.1, if the syscall

920B_44 returns enough data to fill more than one syscall buffer,

Potential

Application

Failure

N/A

Fixed Issues

Base functionality 35


36/60


Fixnumber/OPTnumber


then the storstpd service might terminate unexpectedly with an

ACCESS_VIOLATION exception.

71033978 83900 The fix adds the EMC internal inline command,

8C,,,DFOS,SCRB,INOD,FIXE, to delete Distributed Flash Object System

(DFOS) objects that are no longer valid for the current configuration.

Error: BE3E.E2

Potential

Maintenance

Issue

N/A

73161528 84738 This fix resolves an issue where the SymmWin memory replacement

script may cause a director to become unavailable when the step

"Read_Impl_From_Flash" is issued.

Potential Data

Unavailability

N/A

Enhancement


Fixnumber/OPTnumber


72754540 84247 This fix improves the incremental clone copy time by reducing the

time taken to create the precopy clone session and activate the clone

session.

Potential

Performance

Issue

N/A

Fibre channel


Fixnumber/OPTnumber


76813332,

77995954,

78122778

87240 Multiple Fibre Channel directors may become unavailable when the

Response Time Profiler switched on while a writesame unmap

workload is running.

Errors:2A.0EFF.FF

Potential Data

Unavailability

N/A

Fixed Issues



37/60

Mainframe

Service

requestnumber

Fix

number/OPTnumber


base article

58553770 430047 In a Mainframe environment, when checking for EMC Compatible

Extended (XRC) records in a cache slot, the FICON director might report

00FF.FF errors, causing the director to reset and the host to become

disconnected.

Special conditions: XRC is not configured and the host is sendingthe 0XA5 command for a track where record 1 has a DL=0.

Exposed environment:Mainframe FICON directors, Enginuity5876.159.102 and later.

Errors:00FF.FF, A2.00FF.FF

Potential Data

Unavailability

172686

62518440,

65856576,

65970148

446073 In a Mainframe environment, a host terminating a Concurrent Copy

session with an extremely large number of side file entries can result

in a longer than normal time to remove the session, which can result

in directors becoming unavailable.

Note

Fix 85537 is released under the internal OPT 486671.

Special Conditions: This issue occurs in environments with heavy

sidefile usage.

Exposed environment:Concurrent Copy in a Mainframeenvironment.

Errors:C81C,03 B210.02, B210.03, 1729.10, 1729.30

Potential Data

Unavailability

186576

70480438 473650 In a Mainframe environment, when issuing an SRDF Host Component

(SRDF-HC) CREATEPAIR SUSPEND command, the new SRDF R1 mirror,

which is intentionally left Not Ready (NR), is not marked as having

been made NR by the user. This can result in 0475 errors being

reported for the affected device.

Error:0475

Potential Data

Unavailability

201009

497074SYM 87899 A Mainframe heavy I/O load may trigger 6817 and 4B17 errors on the

FICON directors due to a buffer credit handling problem.

Errors:6817, 4B17

IOS050I CHANNEL DETECTED ERROR

IOS051I INTERFACE TIMEOUT DETECTED

IOS051I INTERFACE TIMEOUT DETECTED

IOS071I MISSING CHANNEL AND DEVICE END

Potential

Performance

Issue

N/A

Fixed Issues

Mainframe 37
https://support.emc.com/kb/201009https://support.emc.com/kb/186576https://support.emc.com/kb/172686


38/60


Fixnumber/OPTnumber


497732SYM 87954 A Mainframe heavy I/O load may trigger EC2A errors on the FICON

directors due to a buffer management issue which can result in atemporary, non-fatal shortage of internal buffers which can reduce

performance.

Error:EC2A

Potential

PerformanceIssue

N/A

Online configuration change

Servicerequest

number

Fixnumber/

OPTnumber


77040466 87269 When an online configuration change is run to add Fibre Channel

emulation SLIC bifurcated I/O modules to previously unpopulated

slots (2 or 8), Receiver Status correctable errors are logged.

Error:CE3E.04

Potential

Maintenance

Issue

N/A

74044398,

74141380,

74902958,

75417968,

75957192

84858 When drives are added to an existing DAE, the ports on the secondary

DS slice might not get enabled, leading to the drive not entering a

ready state if the primary DS becomes unavailable and a dual initiator

failover operation begins.

Errors:283C, 283E, 0113

Potential Data

Unavailability

N/A

73278452,

77202546,

77202596,

77202754,

77706910,

77726394

86043 The SymmWin QuickCacheVolsAdd script may fail if an online engine

add was previously performed on the VMAX3 array without fix 86043

installed.

Error:F4EF.40

Potential Data

Unavailability

N/A

Open replicator


Fixnumber/OPTnumber


69110684,

69111744

82129 This fix prevents 27CE, E410, and 013C errors from being logged

during a configuration change in an Open Replicator for VMAX (ORS)

environment.

Errors:27CE, E410, 013C

No Impact 198393

Fixed Issues



39/60

Open systems

Service

requestnumber

Fix

number/OPTnumber


base article

73234396 84489 Some host initiators do not appear in the 'symaccess list logins'

output, resulting in the inability to create a host in Unisphere or

manually add the World Wide Names after earlier host creation.

Special conditions:Entries exceeded the 128 maximum limit in thelogin history table per director/port.

No Impact N/A

73457400 84527 The VMAX3 system incorrectly returns a good status when a

reservation key is zero during a persistent reservation (PR) test on a

Windows 2012 cluster.

Exposed environment: Two Windows 2012 R2 hosts that are usedby SW Datacore SANsymphony-Vcluster (this works like a cluster

using SCSI3 Persistent Reservation).

No Impact N/A

SRDF family


Fixnumber/OPTnumber


72863552 481309 In an SRDF environment, the D0 control commands may fail with

D022.0D timeout errors. Without the fix the problem triggers when

there is a large discrepancy in the director`s timer.

Exposed environment:SRDF configured systems.

Errors:D022.0D, D03E.25.

Potential Data

Unavailability

205400

74661270,

76716168

85439 The user formats a device on the R1 system from a host that uses

unmap/write-same. This causes the corresponding device on the R2

system to become fully allocated.

Potential

Compatibility

Issue

N/A

74043164,

74765020,

75419860

85003 The system may be unable to establish SRDF links in an SRDF

configuration between VMAX V3 arrays running HYPERMAX OS 5977

and VMAX V2 arrays running Enginuity 5876 if the SRDF group

contains more than 1365 (0x555 hex) devices.

Potential Data

Unavailability

N/A

74077030,

75221486

484905 In SRDF/S (Synchronous) mode, SRDF directors may become

temporarily unresponsive, impacting host I/O performance. This issue

may occur when SRDF is processing a write request and the write

pending (WP) is not set in the cache slots. Internally this is known as

legal 2A2A condition.

Errors:20CE.21, 05CE.11

Potential

Performance

Issue

N/A

Fixed Issues

Open systems 39


40/60


Fixnumber/OPTnumber


60753288,

74598332

85619 SRDF/A will not become consistent due to stuck invalid tracks on a

device after being in adaptive copy disk mode. This is because cachecounters have become out of sync with the devices' metadata due to

corrupt mirror hints.

Potential Data

Unavailability

N/A

74681088,

76108732

85337 Execution of a Cascading SRDF operation between a R1 on a storage

system running Enginuity 5786 and a R21 on a storage system

running HYPERMAX OS 5977 may trigger meta data corruption xx10,

xx2E, 2A0C errors on the SRDF R21 devices when a NULL (empty) track

is copied from the R1 device to the R21 device.

Errors:xx10, xx2E, 2A0C

Potential Data

Loss/Data

Unavailability

N/A

72933354 86130 In an SRDF environment, when the status of an RDF device changes

(for example, an R2 device becoming read/write enabled due to a

split command), the storage system issues a Unit Attention. If this

occurs when a UNISYS Dorado host is starting up and bringing the

path to the storage system online, the host generates a ABNORM error

and fails to start.

Potential Data

Unavailability

N/A

74661270 85652 In an SRDF environment, the output from the A7,RASN inline

command does not show all ports and all groups. This is due to the

system incorrectly updating the information it holds on paths. This

has the potential to cause problems when deleting groups as that

action can cause paths that are still operational to be reset.

Potential Data

Loss

N/A

75465374 86071 In an SRDF environment, SRDF links between VMAX Family arrays and

VMAX3 Family arrays would not re-establish after an SRDF link

bounce.

Potential Data

Unavailability

N/A

75393004 86326 In an SRDF environment, if a SnapVX session fails for any reason, the

device level status is set to "Fail". Subsequent termination of the

failed SnapVX session does not clear up the failed status of the

device. It requires manual intervention to reset the device failed

status.

Potential

Recovery

Issue

N/A

76494398 86736 This fix improves the debug information for error codes 3D10.71 and

3D10.6E by adding device and failing information to the short trace

output.

Errors:3D10.71, 3D10.6E

No Impact N/A

76918416 87189 In an SRDF environment, a VMAX3 system with a large Geometry

Compatible Mode (GCM) device and a Logical Block Address (LBA)

calculation set to more than a 32-bit value will result in the LBA being

cut, and the R2 not being able to accept a write from the R1. Errors:

0533 (VMAX3 Family); 052F (VMAX Family).

Exposed environment:VMAX volumes having an odd number ofcylinders of at least 2236963 (decimal) cylinder size connected to a

VMAX3 GCM volume of equal size.

Potential Data

Unavailability

N/A

77054070,

77092680

87208 In an SRDF Metro environment, writing to devices that are larger than

0x111111 cylinders may occasionally result in data unavailability

(errors 5ACD).

Potential Data

Unavailability

N/A

Fixed Issues



41/60

SRDF/A


Fixnumber/OPTnumber


76405486 86667 In an SRDF environment, 00CA errors may log every hour if the SRDF/A

cycle stops switching. This fix prevents these errors from logging

excessively.

No Impact N/A

SymmWin


Fixnumber/OPTnumber


75641516 20017692 The SymmWin Disk Utility Monitor may issues Syscalls on the front

end directors too frequently causing I/O latency (0F3E error). The fix

reduces the frequency of the Syscalls and move their execution to the

IM directors.

Potential

Performance

Issue

N/A

TimeFinder-SnapVX


Fixnumber/OPTnumber


73003672,

73786654,

73816332,

74951382,

75373206

483643 A VMAX3 system generates an error and can call home when the

space allocated for Remote Data Pointer (RDP) data is 90%, 95%, and

100% used. This fix adds additional errors and call home events

when RDP usage reaches 50%, 60%, 70%, and 80%.

Note

Fix 84253 is released under the internal OPT 489785 .

Errors:28.0488.50, 28.0488.60, 28.0488.70, 28.0488.80

Potential Data

Loss/Data

Unavailability

N/A

77116892 87296 In a TimeFinder environment, if an IFSC scan is run on stale data it

may corrupt the Inode Allocator causing the SnapVX session to fail.

This fix disables the IFSC scan from automatically fixing any issues

found.

Potential Data

Loss/Data

Unavailability

N/A

Fixed Issues

SRDF/A 41


42/60

Virtual provisioning

Service

requestnumber

Fix

number/OPTnumber


base article

76099834 87200 FAST movement requests may be slower than expected. Potential

Performance

Issue

N/A

Fixed Issues



43/60

CHAPTER 8

Known Issues and Limitations


l Known issues ....................................................................................................... 44l Limitations............................................................................................................44

Known Issues and Limitations 43


44/60

Known issuesThere are no known issue in this release.

LimitationsLearn about current limitations in HYPERMAX OS 5977.811.784.

For previously lifted limitations, reference the EMC VMAX3 Family with HYPERMAX OS 5977,Release Level HYPERMAX OS 5977.691.684 Release Notes.


Table 44

Dynamic Virtual Matrix limitation

Limitation First affected release Affected platform Limitation lifted

Diagnostic loopback is not supported. HYPERMAX OS

5977.250.189

VMAX3 Family and

VMAX All Flash

Table 45

VMAX engine serviceability limitations


Hardware replacement support plan:

l No script automated engine replacement

l

No script automated DAE replacementl Engineering will support a manual procedure

when required

HYPERMAX OS

5977.250.189

VMAX3 Family and

VMAX All Flash

Online PDU replacement script is not supported (fly

and fix workaround).

HYPERMAX OS

5977.250.189

VMAX3 Family and

VMAX All Flash

FCoE or iSCSi protocols are not supported on the

same front end I/O module, a separate front end I/O

module is needed for each protocol.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Table 46

VMAX performance improvement limitation


FlashBoost does not support the disabling of

asynchronous cache.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

HYPERMAX OS

5977.811.784




45/60


Table 47 VMAX3 Hypervisor limitation


Access restricted to EMC personnel. HYPERMAX OS

5977.250.189

VMAX3 Family

Table 48

SRDF/A limitation


It is not possible for a host read from the R1

device to receive its data from the remote SRDF/A

R2 device when DSE has any deltas saved to disk

and there is a dual-drive failure (R1 device localmirrors are unavailable).

HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

In Multi-Session Consistency (MSC) configuration

the minimal cycle switch time settings should not

be below 6 seconds. The default cycle switch time

is 15 seconds.

HYPERMAX OS

5977.811.784

VMAX3 Family and

VMAX All Flash

Table 49

SRDF/Metro limitations


SRDF/Metro configurations do not supportConcurrent or Cascaded SRDF devices. HYPERMAX OS5977.691.684 VMAX3 Family andVMAX All Flash

Both the source (R1) and target (R2) arrays must be

running HYPERMAX OS 5977.691.684 or later.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Existing SRDF device pairs that participate in an

SRDF mode of operation cannot be part of an

SRDF/Metro configuration; SRDF device pairs that

participate in an SRDF/Metro configuration cannot

participate in any other SRDF mode of operation.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

The R2 cannot be larger than the R1. HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Devices cannot have Geometry Compatibility Mode

(GCM) set.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Devices cannot have User Geometry set. HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Open Replicator is not supported. HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Devices cannot be Business Continuance Volumes

(BCV).

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Devices cannot be used as the target (R2) devices

when the SRDF devices are RW on the SRDF link

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash




46/60

Table 49

SRDF/Metro limitations (continued)


with SyncInProg or Active-Active or Active-Bias

SRDF pair state.

SRDF/Metro with Consistency with xCopy/ODX is

not supported.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Online devices expansion is not supported. HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

FAST.X is not supported. HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

HYPERMAX OS

5977.811.784

SCSI 2 and SCSI 3 Cluster are not supported,

please reference the EMC Support Matrix (ESM) for

more information.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

HYPERMAX OS

5977.811.784

The only valid SRDF mode is active, this modecannot be changed once the device pairs are in an

SRDF/Metro configuration.

HYPERMAX OS5977.691.684

VMAX3 Family andVMAX All Flash

The SRDF Consistency state cannot be changed

once it is enabled for all SRDF devices.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Controlling devices in an SRDF group that contain a

mixture of source (R1) and target (R2)devices is not

supported.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

The SRDF pair bias device in an SRDF/Metro

configuration can only be changed when the SRDF

pair state is Active-Active or Active-Bias.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

Consistency Group (CG) SRDF control and set

operations are allowed on one SRDF group at a

time.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

The symrecovercommand is not available with

SRDF/Metro.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

SRDF/Metro does not support FCoE front-end

capabilities.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

SRDF/Metro has limited iSCSI support. Please

reference EMC Support Matrix (ESM) for more

details on support hosts and clusters.

HYPERMAX OS

5977.691.684

VMAX3 Family and

VMAX All Flash

SRDF/Metro does not support:

l Mainframe CKD

l ProtectPoint

l CloudArray

l Mobility Safe ID with ALUA

HYPERMAX OS

5977.811.784

VMAX3 Family and

VMAX All Flash

VAAI commands are supported except for xCopy/

ODX.

HYPERMAX OS

5977.811.784

VMAX3 Family and

VMAX All Flash




47/60

Table 49

SRDF/Metro limitations (continued)


Microsoft Cluster with SRDF/Metro is not

supported with non-uniform connection (without

cross-connects).

HYPERMAX OS

5977.811.784

VMAX3 Family and

VMAX All Flash

Table 5

SRDF N-X support limitations


A VMAX array running Enginuity 5876 whose R1 has

RecoverPoint co-existence isn't supported when

connected to the R2 of a VMAX3 array running

HYPERMAX OS 5977.

HYPERMAX OS

5977.497.471

VMAX3 Family

There is no support for EMC FAST coordination

propagation between a VMAX3 array runningHYPERMAX OS 5977, and a VMAX array running

Enginuity 5876.

HYPERMAX OS

5977.497.471

VMAX3 Family

An update operation on the source (R1) side after a

failover, where the target (R2) side is still

operational to the hosts is not supported when the

source (R1) side is running VMAX 10K, 20K, 40K

with Enginuity 5876 code levels.

HYPERMAX OS

5977.497.471

VMAX3 Family

Remote Pair Flashcopy is not supported between a

VMAX3 array running HYPERMAX OS 5977, and a

VMAX array running Enginuity 5876.

HYPERMAX OS

5977.811.784

VMAX3 Family

Table 51

Data compression limitations


Write Acceleration (WA) and/or FAST Write on Fibre

Channel SRDF links require that software and

hardware compression is disabled.

HYPERMAX OS

5977.497.471

VMAX3 Family

The online addition of an SRDF compression front-

end I/O module is supported, with a limitation, if a

copper port in a GigE SRDF 1 Gb/s front-end I/O

module is configured. After a SymmWin script

failure, it is necessary to manually reset the copper

ports in order to activate hardware compression.

HYPERMAX OS

5977.596.583

VMAX3 Family HYPERMAX OS

5977.811.784

Table 52

SRDF features not available


16 Gb/s front-end I/O modules are not supported for

SRDF functionality

HYPERMAX OS

5977.497.471

VMAX3 Family HYPERMAX OS

5977.811.784

SNMP with GigE SRDF is not supported. HYPERMAX OS

5977.497.471

VMAX3 Family




48/60

Table 52

SRDF features not available (continued)


IPSec is not supported for SRDF functionality over

GigE.

HYPERMAX OS

5977.497.471

VMAX3 Family

Table 53

Open Replicator limitation


ORS pace is not supported. HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

ORS multi-target is not supported. HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

HYPERMAX OS

5977.811.784

ORS push is not supported. HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

Interoperability with local replication and SRDF is not

supported.

HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

ORS I/O may not be distributed evenly across ports. HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

HYPERMAX OS

5977.811.784

ORS I/O is not distributed evenly across participating

Fibre Channel directors.

HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

HYPERMAX OS

5977.811.784

The symsancommand may return incomplete results

on all flash arrays.

HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

ORS may not protect against torn pages when doing a

hot pull with donor update.

HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

The symrcopypull from a larger device to a smaller

device with or without the-force_copy option is

not supported in HYPERMAX OS 5977.

HYPERMAX OS

5977.497.471

VMAX3 Family and

VMAX All Flash

ORS may experience performance degradation on

devices greater than 16 TB.

HYPERMAX OS

5977.497.471

VMAX

EMC VMAX All Flash and EMC VMAX3 Family Release Notes

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