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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
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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
This section includes the following topic:
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
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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
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
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
Area Feature Description
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.
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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.
VMAX All Flash New and Changed Features
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CHAPTER 4
VMAX3 Product Description
This section includes the following topic:
l Product Description...............................................................................................16
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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.
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
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
This section includes the following topics:
l New features......................................................................................................... 18l Changed features.................................................................................................. 24
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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 18
l HYPERMAX OS data services on page 19
l Management software on page 22
l Serviceability on page 23
Platform and infrastructure
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 1
VMAX3 Family engines
Area Feature Description
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
Area Feature Description
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
VMAX3 New and Changed Features
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HYPERMAX OS data services
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 12 Extent table size increase
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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.
VMAX3 New and Changed Features
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Table 21
TimeFinder SnapVX
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
HYPERMAX OS
data services
Concurrent
Copy
HYPERMAX OS 5977.811.784 provides support for Concurrent Copy.
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Table 25
Virtual Volumes
Area Feature Description
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
Area Feature Description
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
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 27 Scalability of management software
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 3
Internal IP Network
Area Feature Description
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
Area Feature Description
Serviceability Managed File
Transfer
Managed File Transfer (MFT) improves the file transfer capability for HYPERMAX OS code
bundles, enabling automated code updates.
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Changed featuresLearn about the changed features for HYPERMAX OS 5977.811.784.
Features are categorized per area:
l HYPERMAX OS data services on page 24
l Management software on page 26
l Serviceability on page 26
l ProtectPoint on page 27
l Embedded NAS on page 28
HYPERMAX OS data services
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 32
FAST.X Incorporation
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
Area Feature Description
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
VMAX3 New and Changed Features
HYPERMAX OS data services 25
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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
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 39
Service Level management
Area Feature Description
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
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 4
Pre-configuration of the VMAX3 Family arrays
Area Feature Description
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)
VMAX3 New and Changed Features
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Table 4
Pre-configuration of the VMAX3 Family arrays
Area Feature Description
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
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 41
ProtectPoint
Area Feature Description
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.
VMAX3 New and Changed Features
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Embedded NAS
For more detailed product information, reference the documents listed in AdditionalResources on page 56.
Table 42
Embedded NAS
Area Feature Description
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)
VMAX3 New and Changed Features
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CHAPTER 6
Support Deprecation
This section includes the following topic:
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
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CHAPTER 7
Fixed Issues
This section includes the following topics:
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
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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
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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
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Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
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Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
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Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
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Mainframe
Service
requestnumber
Fix
number/OPTnumber
Problem summary Impact Knowledge
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
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Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
Problem summary Impact Knowledgebase article
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
Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
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Open systems
Service
requestnumber
Fix
number/OPTnumber
Problem summary Impact Knowledge
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
Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
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Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
40 HYPERMAX OS 5977.811.784 for EMC VMAX All Flash and EMC VMAX3 Family Release Notes
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SRDF/A
Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
Servicerequestnumber
Fixnumber/OPTnumber
Problem summary Impact Knowledgebase article
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
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Virtual provisioning
Service
requestnumber
Fix
number/OPTnumber
Problem summary Impact Knowledge
base article
76099834 87200 FAST movement requests may be slower than expected. Potential
Performance
Issue
N/A
Fixed Issues
42 HYPERMAX OS 5977.811.784 for EMC VMAX All Flash and EMC VMAX3 Family Release Notes
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CHAPTER 8
Known Issues and Limitations
This section includes the following topics:
l Known issues ....................................................................................................... 44l Limitations............................................................................................................44
Known Issues and Limitations 43
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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.
Platform and infrastructure
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
Limitation First affected release Affected platform Limitation lifted
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
Limitation First affected release Affected platform Limitation lifted
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
Known Issues and Limitations
44 HYPERMAX OS 5977.811.784 for EMC VMAX All Flash and EMC VMAX3 Family Release Notes
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HYPERMAX OS data services
Table 47 VMAX3 Hypervisor limitation
Limitation First affected release Affected platform Limitation lifted
Access restricted to EMC personnel. HYPERMAX OS
5977.250.189
VMAX3 Family
Table 48
SRDF/A limitation
Limitation First affected release Affected platform Limitation lifted
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
Limitation First affected release Affected platform Limitation lifted
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
Known Issues and Limitations
HYPERMAX OS data services 45
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Table 49
SRDF/Metro limitations (continued)
Limitation First affected release Affected platform Limitation lifted
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
Known Issues and Limitations
46 HYPERMAX OS 5977.811.784 for EMC VMAX All Flash and EMC VMAX3 Family Release Notes
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Table 49
SRDF/Metro limitations (continued)
Limitation First affected release Affected platform Limitation lifted
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
Limitation First affected release Affected platform Limitation lifted
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
Limitation First affected release Affected platform Limitation lifted
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
Limitation First affected release Affected platform Limitation lifted
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
Known Issues and Limitations
HYPERMAX OS data services 47
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Table 52
SRDF features not available (continued)
Limitation First affected release Affected platform Limitation lifted
IPSec is not supported for SRDF functionality over
GigE.
HYPERMAX OS
5977.497.471
VMAX3 Family
Table 53
Open Replicator limitation
Limitation First affected release Affected platform Limitation lifted
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