Release Note for SAN Volume Controller and Storwize Family Block Storage Products

This is the release note for the v7.3.0 release and details the issues resolved in all Program Temporary Fixes (PTFs) between v7.3.0.0 and v7.3.0.13. This document will be updated with additional information whenever a new PTF is released.

This document was last updated on 4 December 2020.

  1. New Features
  2. Known Issues and Restrictions
  3. Issues Resolved
    1. Security Issues Resolved
    2. APARs Resolved
  4. Useful Links
Note. Detailed build version numbers are included in the Update Matrices in the Useful Links section

1. New Features

The following new features have been introduced in the v7.3.0.0 release:

2. Known Issues and Restrictions

Note: For clarity, the term "node" will be used to refer to a SAN Volume Controller node or Storwize system node canister.
Details Introduced
Running the software update test utility before installing an update is mandatory. Failing to successfully run the utility will result in the update failing with the following message:

CMMVC5996E The specific upgrade package cannot be installed over the current version

 7.3.0.4
New service feature in v7.3.0 - running the Software Upgrade Test Utility before applying this upgrade is mandatory 7.3.0.0
SVC systems with CG8 "CHUBBIE" node type and using compressed volumes upgrading from pre v7.2.0 to v7.3.0 or later should first perform an intermediate upgrade to v7.2.0 7.3.0.0
Updates from releases prior to v7.3, to v7.3.0.0 or later, will disable the cache when the update starts and the cache will remain disabled until the update completes, at which time it will be automatically re-enabled. 7.3.0.0
An automatic update may stall if the Enhanced Stretched System function is configured on a system with exactly four nodes and non-mirrored volumes. It is therefore recommended to update such systems using the manual update procedure documented in the Knowledge Center.

This does not apply to conventional Stretched Systems or Enhanced Stretched Systems with two, six or eight nodes. This also does not apply to Enhanced Stretched Systems that solely contain mirrored volumes with a copy in both site 1 and site 2.

 7.2.0.0
If using IP replication, please review the set of restrictions published in the Configuration Limits and Restrictions document for your product. 7.1.0.0
Systems running V6.4.0.0 and later may experience an undetected data loss on compressed volumes if the following rare scenarios all occur at the same time:
  • The system experiences back end response times of greater than 10 seconds per I/O (peak)
  • The host(s) issues a burst of more than 1000 writes that are each smaller than 1KB in size to a small region of the volume, where the compression ratio of the write is greater than 95%
This issue is resolved in v7.3.0.9 		6.4.0.0
Windows 2008 host paths may become unavailable following a Storwize V7000 node canister or SAN Volume Controller node replacement procedure

Refer to this flash for more information on this restriction

 6.4.0.0
Intra-System Global Mirror Not Supported

Refer to this flash for more information on this restriction

 6.1.0.0
Host Disconnects Using VMware vSphere 5.5.0 Update 2 and vSphere 6.0

Refer to this flash for more information

 n/a
If an update stalls or fails then Contact IBM Support for Further Assistance n/a

3. Issues Resolved

This release contains all of the fixes included in the v7.2.0.6 release, plus the following additional fixes.

A release may contain fixes for security issues, fixes for APARs or both. Consult both tables below to understand the complete set of fixes included in the release.

3.1 Security Issues Resolved

Security issues are documented using a reference number provided by "Common Vulnerabilities and Exposures" (CVE).
CVE Identifier Link for additional Information Resolved in
CVE-2015-2613 ssg1S1005435 7.3.0.12
CVE-2015-2601 ssg1S1005435 7.3.0.12
CVE-2015-2625 ssg1S1005435 7.3.0.12
CVE-2015-1931 ssg1S1005435 7.3.0.12
CVE-2015-1789 ssg1S1005434 7.3.0.12
CVE-2015-1791 ssg1S1005434 7.3.0.12
CVE-2015-1788 ssg1S1005434 7.3.0.12
CVE-2015-1831 ssg1S1005335 7.3.0.12
CVE-2015-0488 ssg1S1005334 7.3.0.12
CVE-2015-2808 ssg1S1005334 7.3.0.12
CVE-2015-1916 ssg1S1005334 7.3.0.12
CVE-2015-0204 ssg1S1005334 7.3.0.12
CVE-2014-0227 ssg1S1005302 7.3.0.10
CVE-2014-0230 ssg1S1005302 7.3.0.10
CVE-2015-0286 ssg1S1005303 7.3.0.10
CVE-2014-3566 ssg1S1004987 7.3.0.10
CVE-2014-3567 ssg1S1004987 7.3.0.10
CVE-2014-6593 ssg1S1005211 7.3.0.10
CVE-2014-0410 ssg1S1005211 7.3.0.10
CVE-2014-3569 ssg1S1005150 7.3.0.10
CVE-2014-3570 ssg1S1005150 7.3.0.10
CVE-2014-3571 ssg1S1005150 7.3.0.10
CVE-2014-3572 ssg1S1005150 7.3.0.10
CVE-2014-8275 ssg1S1005150 7.3.0.10
CVE-2015-0205 ssg1S1005150 7.3.0.10
CVE-2011-3389 ssg1S1005026 7.3.0.10
CVE-2015-2808 ssg1S1005213 7.3.0.10
CVE-2014-3566 ssg1S1004987 7.3.0.8
CVE-2014-3567 ssg1S1004987 7.3.0.8
CVE-2014-6721 ssg1S1004897 7.3.0.7
CVE-2014-7169 ssg1S1004897 7.3.0.7
CVE-2014-7186 ssg1S1004897 7.3.0.7
CVE-2014-7187 ssg1S1004897 7.3.0.7
CVE-2014-6277 ssg1S1004897 7.3.0.7
CVE-2014-6278 ssg1S1004897 7.3.0.7
CVE-2014-0224 ssg1S1004690 7.3.0.3

3.2 APARs Resolved

Show details for all APARs
APAR Affected Products Severity Description Resolved in Feature Tags
HU00980 SVC, V7000 Critical Enhanced recovery procedure for compressed volumes affected by APAR HU00898. For more details refer to this Flash (show details)
Symptom Loss of Access to Data
Environment Systems running v7.3 or later that are using compressed volumes
Trigger None
Workaround None
7.3.0.13 Compression
HU00891 All High Importance The extent database defragmentation process can create duplicates whilst copying extent allocations resulting in a node warmstart to recover the database (show details)
Symptom Multiple Node Warmstarts
Environment Systems running v7.3 or later using Thin Provisioning
Trigger None
Workaround None
7.3.0.13 Thin Provisioning
HU00936 All Suggested During the volume repair process the compression engine restores a larger amount of data than required leading to the volume being offline (show details)
Symptom Offline Volumes
Environment Systems running v7.3 or later that are using compressed volumes
Trigger None
Workaround None
7.3.0.13 Compression
HU01029 SVC Suggested Where a boot drive has been replaced with a new unformatted one, on a DH8 node, the node may warmstart when the user logs in as superuser to the CLI via its service IP or they login to the node via the service GUI. Additionally where the node is the config node this may happen when the user logs in as superuser to the cluster via CLI or management GUI (show details)
Symptom Single Node Warmstart
Environment DH8 clusters running v7.3 or later
Trigger Replace boot drive with new, uninitialised drive. Attempt to login to service assistant as "superuser"
Workaround Send necessary service commands to the node from another node in the cluster. Put node into service and resync the drive
7.3.0.13
HU01043 SVC Suggested Long pause when upgrading (show details)
Symptom None
Environment DH8 clusters upgrading to v7.5, or later, that are using compressed volumes
Trigger None
Workaround None
7.3.0.13 Compression, System Update
HU00898 SVC, V7000 HIPER Potential data loss scenario when using compressed volumes on SVC and Storwize V7000 running software versions v7.3, v7.4 or v7.5. For more details refer to this Flash (show details)
Symptom None
Environment Systems running v7.3 or later that are using compressed volumes
Trigger None
Workaround None
7.3.0.12 Compression
HU00671 V7000, V5000, V3700, V3500 Critical 1691 error on arrays when using multiple FlashCopies of the same source. For more details refer to this Flash (show details)
Symptom None
Environment Systems running v7.3 or later using FlashCopy
Trigger Start and stop of FlashCopy mappings when there are multiple FlashCopies of the same source volume
Workaround None
7.3.0.12 Backend Storage, FlashCopy
HU00901 All Suggested Incorrect read cache hit percentage values reported in TPC (show details)
Symptom None
Environment Customers using TPC with Systems running v7.3 or later
Trigger None
Workaround None
7.3.0.12 System Monitoring
HU00494 All High Importance Node warmstart caused by timing window when handling XCOPY commands (show details)
Symptom Single Node Warmstart
Environment Systems with VMware hosts
Trigger None
Workaround Disable VAAI where possible
7.3.0.11 Hosts
HU00516 SVC, V7000 High Importance Node warmstart due to software thread deadlock (show details)
Symptom Single Node Warmstart
Environment SVC DH8 or V7000 Generation 2 systems running v7.3 or later with VMware hosts using VAAI CAW feature
Trigger VAAI CAW commands
Workaround None
7.3.0.11 Hosts
HU00666 SVC, V7000, V5000, V3700 High Importance Upgrade from v7.2.0 stalls due to dependent volumes (show details)
Symptom None
Environment Systems using Global Mirror
Trigger Upgrading from v7.2.0 whilst Global Mirror relationships are active
Workaround Stop Global Mirror relationships or consistency groups before performing upgrade
7.3.0.11 Global Mirror
HU00672 SVC, V7000 High Importance Node warmstart due to compression stream condition (show details)
Symptom Single Node Warmstart
Environment Systems with compressed volumes
Trigger None
Workaround None
7.3.0.11 Compression
HU00676 SVC, V7000 High Importance Node warmstart due to compression engine restart (show details)
Symptom Single Node Warmstart
Environment Systems with compressed volumes
Trigger None
Workaround None
7.3.0.11 Compression
HU00752 All High Importance Email notifications and call home stops working after updating to v7.3.0.10 (show details)
Symptom None
Environment All Systems running v7.3.0.10
Trigger None
Workaround None
7.3.0.11 System Monitoring
HU00761 V7000, V5000, V3700, V3500 High Importance Array rebuild fails to start after a drive is manually taken offline (show details)
Symptom None
Environment All
Trigger Manually changing drive state to offline
Workaround Use the 'charraymember' cli command to initiate rebuild
7.3.0.11 Backend Storage
HU00711 All Suggested GUI response slow when filtering a large number of volumes (show details)
Symptom None
Environment All
Trigger None
Workaround Use CLI to list or perform actions on volumes
7.3.0.11 Graphical User Interface
HU00680 V7000 HIPER Compressed volumes go offline due to false detection event. Applies to V7000 Generation 2 systems only running v7.3.0.9 or v7.4.0.3 (show details)
Symptom Offline Volumes
Environment V7000 Gen2 systems with compressed volumes
Trigger Following update to v7.3.0.9 or v7.4.0.3
Workaround None
7.3.0.10 Compression
HU00654 SVC, V7000 HIPER Loss of access to data when FlashCopy stuck during a Global Mirror Change Volumes cycle (show details)
Symptom Loss of Access to Data
Environment Systems using Global Mirror with Change Volumes
Trigger Start of Global Mirror change volume cycle
Workaround None
7.3.0.9 Global Mirror with Change Volumes
HU00658 SVC, V7000, V5000, V3700 HIPER Global Mirror source data may be incompletely replicated to target volumes. For more details refer to this Flash (show details)
Symptom Data Integrity Loss
Environment Systems using Global Mirror
Trigger Environments in which the secondary SVC cluster or Storwize system is running or has previously been running a v7.2.0 or v7.3.0 release earlier than v7.2.0.11 or v7.3.0.9
Workaround None
7.3.0.9 Global Mirror
HU00655 V7000, V5000, V3700, V3500 Critical Loss of access to data if a PSU in two different enclosures suffers an output failure simultaneously (whilst AC input is good) (show details)
Symptom Loss of Access to Data
Environment Storwize systems
Trigger PSU DC output failure in two separate enclosures simultaneously
Workaround None
7.3.0.9 Reliability Availability Serviceability
HU00528 V7000, V5000, V3700, V3500 High Importance Single PSU DC output turned off when there is no PSU hardware fault present (show details)
Symptom Loss of Redundancy
Environment Storwize systems
Trigger None
Workaround None
7.3.0.9 Reliability Availability Serviceability
HU00629 SVC, V7000 High Importance Performance degradation triggered by specific I/O pattern when using compressed volumes due to optimisation issue (show details)
Symptom Performance
Environment Systems with compressed volumes
Trigger Specific I/O pattern when using compressed volumes
Workaround None
7.3.0.9 Compression
HU00636 V3700, V3500 High Importance Livedump prepare fails on V3500 & V3700 systems with 4GB memory when cache partition fullness is less than 35% (show details)
Symptom None
Environment V3500 & V3700 systems with 4GB memory in each node canister
Trigger When running 'preplivedump' command or collecting Snap option 4
Workaround None
7.3.0.9 Support Data Collection
HU00637 SVC, V7000, V5000 High Importance HP MSA P2000 G3 controllers running a firmware version later than TS240P003 may not be recognised by SVC/Storwize (show details)
Symptom Configuration
Environment Systems virtualising HP MSA P2000 G3 controllers
Trigger When initialising MDisks for an HP MSA P2000 G3 controller
Workaround None
7.3.0.9 Storage Virtualisation
HU00646 SVC, V7000, V5000, V3700 High Importance Easy tier throughput reduced due to Easy tier only moving 6 extents per 5 minutes regardless of extent size (show details)
Symptom Performance
Environment Systems running v7.3 or later with EasyTier enabled
Trigger None
Workaround None
7.3.0.9 EasyTier
HU00648 SVC, V7000 High Importance Node warmstart due to handling of parallel reads on compressed volumes (show details)
Symptom Single Node Warmstart
Environment Systems with compressed volumes
Trigger Reads to compressed volume(s)
Workaround None
7.3.0.9 Compression
HU00660 SVC, V7000 High Importance Reduced performance on compressed volumes when running parallel workloads with large block size (show details)
Symptom Performance
Environment Systems with compressed volumes
Trigger Host workloads with large block size combined with high host queue depth
Workaround Lower maximum host I/O size and queue depth (field cases have shown that setting host MAX XFER SIZE to 128 KB and lowering the queue depth help improve performance)
7.3.0.9 Compression
II14771 SVC, V7000 High Importance Node warmstart due to compression/index re-writing timing condition (show details)
Symptom Single Node Warmstart
Environment Systems with compressed volumes
Trigger None
Workaround None
7.3.0.9 Compression
IT04911 All High Importance Node warmstarts due to RAID synchronisation inconsistency (show details)
Symptom Single Node Warmstart
Environment All
Trigger None
Workaround None
7.3.0.9 Backend Storage
IT06407 SVC, V7000 High Importance Node warmstart due to compressed volume metadata (show details)
Symptom Single Node Warmstart
Environment Systems with compressed volumes
Trigger Reads/writes to compressed volume(s)
Workaround None
7.3.0.9 Compression
HU00305 SVC, V7000, V5000 Suggested System unable to detect and use newly added ports on EMC VMAX (show details)
Symptom Performance
Environment Systems virtualising EMC VMAX
Trigger Add new paths from system to EMC VMAX
Workaround None
7.3.0.9 Backend Storage
HU00389 SVC, V7000, V5000 Suggested When a Storwize system is configured as a backend storage subsystem for an SVC or another Storwize system, the port statistics count the traffic between these two systems as remote cluster traffic instead of host to storage traffic (e.g. in TPC Port to Remote Node Send Data Rate instead of Port to Controller Send Data Rate) (show details)
Symptom None
Environment SVC or Storwize systems with another Storwize system virtualised as a backend controller
Trigger None
Workaround None
7.3.0.9 System Monitoring
HU00653 V7000, V5000, V3700, V3500 Suggested 1691 RAID inconsistencies falsely reported due to RAID incomplete locking issue (show details)
Symptom None
Environment All
Trigger None
Workaround None
7.3.0.9 Backend Storage
HU00656 All Suggested Increase in reported CPU utilisation following upgrade to v7.2.0 or higher. For more details refer to this Flash (show details)
Symptom None
Environment All
Trigger None
Workaround None
7.3.0.9 System Monitoring
HU00448 SVC, V7000 Critical Increased latency on SVC and V7000 systems running v7.3 when using compressed volumes due to compression engine memory management (show details)
Symptom Performance
Environment Systems with compressed volumes
Trigger Heavy volumes of reads/writes to compressed volume(s)
Workaround None
7.3.0.8 Compression
HU00526 SVC, V7000 Critical Node warmstarts caused by very large number of 512 byte write operations to compressed volumes (show details)
Symptom Loss of Access to Data
Environment Systems with compressed volumes
Trigger Large number of 512 byte write operations to compressed volumes
Workaround None
7.3.0.8 Compression
HU00539 SVC, V7000 Critical Node warmstarts after stopping and restarting FlashCopy maps with compressed volumes as target of the map (show details)
Symptom Loss of Access to Data
Environment Systems using FlashCopy and compressed volumes
Trigger Stopping and restarting FlashCopy maps with compressed volumes as the target
Workaround None
7.3.0.8 FlashCopy, Compression
IT05219 SVC, V7000 Critical Compressed volumes offline on systems running v7.3 release due to decompression issue (show details)
Symptom Loss of Access to Data
Environment Systems with compressed volumes
Trigger Reads/writes to compressed volume(s)
Workaround None
7.3.0.8 Compression
HU00463 SVC, V7000 High Importance Increased host I/O response time to compressed volumes on v7.3.0, for specific I/O workloads (show details)
Symptom Performance
Environment Systems with compressed volumes
Trigger Specific I/O workloads to compressed volumes
Workaround None
7.3.0.8 Compression
HU00472 SVC, V7000, V5000, V3700 High Importance Node restarts leading to offline volumes when using Flashcopy or Remote copy (show details)
Symptom Loss of Access to Data
Environment Systems using FlashCopy and/or Global Mirror
Trigger Start and stop of a FlashCopy or Global Mirror map followed by a node reboot
Workaround Any offline volumes can be brought back online by starting or removeing the associated FlashCopy/Remote copy mappings
7.3.0.8 FlashCopy, Global Mirror, Global Mirror with Change Volumes
HU00473 SVC High Importance SVC DH8 node reports node error 522 following system board replacement (show details)
Symptom None
Environment SVC DH8 model nodes
Trigger Following replacement of system board
Workaround None
7.3.0.8
HU00481 SVC, V7000, V5000, V3700 High Importance Node warmstart when new multi-tier storage pool is added and an MDisk overload condition is detected within the first day (show details)
Symptom Single Node Warmstart
Environment Systems running v7.3 or later with EasyTier enabled
Trigger If SSD capcaity is fully utilised by volume creation/expansion or migration when EasyTier enabled
Workaround None
7.3.0.8 EasyTier
HU00493 SVC High Importance SVC DH8 node offline due to battery backplane problem (show details)
Symptom Loss of Redundancy
Environment SVC DH8 model nodes
Trigger AC power loss
Workaround None
7.3.0.8
HU00502 SVC, V7000, V5000, V3700 High Importance EasyTier migration running at a reduced rate (show details)
Symptom Performance
Environment Systems running v7.3 or later with EasyTier enabled
Trigger None
Workaround None
7.3.0.8 EasyTier
HU00506 All High Importance Increased destaging latency in upper cache when using v7.3.0 release (show details)
Symptom Performance
Environment Systems running v7.3
Trigger Specific I/O workloads
Workaround None
7.3.0.8
HU00519 SVC, V7000, V5000, V3700 High Importance Node warmstart due to FlashCopy deadlock condition (show details)
Symptom Single Node Warmstart
Environment Systems using FlashCopy
Trigger Starting and stopping a FlashCopy mapping
Workaround None
7.3.0.8 FlashCopy
HU00529 SVC, V7000 High Importance Increased latency on SVC and V7000 systems running v7.3 (excluding DH8 & V7000 Gen2 models) when using compressed volumes due to defragmentation issue (show details)
Symptom Performance
Environment Systems with compressed volumes
Trigger Upgrade from v7.2.0 to v7.3.0 on systems with SVC CG8 or V7000 Generation 1 model nodes
Workaround None
7.3.0.8 Compression
IC90799 All High Importance Node warmstart when drive medium error detected at the same time as drive is changing state to offline (show details)
Symptom Single Node Warmstart
Environment All
Trigger None
Workaround None
7.3.0.8
IT03354 All High Importance Poor read performance with iSCSI single threaded read workload (show details)
Symptom Performance
Environment Systems using iSCSI connected hosts
Trigger Single threaded read workload where the I/O size is not to the power of 2
Workaround Disable TCP delayedack at the host interface
7.3.0.8 iSCSI
IT04105 SVC, V7000, V5000, V3700 High Importance EasyTier does not promote extents between different tiers when using release v7.3.0 (show details)
Symptom Performance
Environment Systems running v7.3 or later with EasyTier enabled
Trigger None
Workaround Add small sized MDisks from different tiers to separate pools which do not have mulit-tier storage
7.3.0.8 EasyTier
HU00468 V7000, V5000, V3700, V3500 Suggested Drive firmware task not removed from GUI running tasks display following completion of drive firmware update action (show details)
Symptom None
Environment Systems running v7.3 or later
Trigger Drive firmware update
Workaround Issue a new applydrivesoftware command to a drive that does not exist
7.3.0.8 Graphical User Interface
HU00485 All Suggested TPC cache statistics inaccurate or unavailable in v7.3.0 and later release (show details)
Symptom None
Environment Environments using IBM TPC
Trigger None
Workaround None
7.3.0.8 System Monitoring
HU00497 SVC, V7000 HIPER Volumes offline due to incorrectly compressed data. Second fix for issue. For more details refer to this Flash (show details)
Symptom Offline Volumes
Environment Systems using compressed volumes
Trigger None
Workaround None
7.3.0.6 Compression
HU00277 SVC, V7000, V5000, V3700 HIPER Loss of access to data when adding a Global Mirror Change volume if the system is almost out of FlashCopy bitmap space (show details)
Symptom Loss of Access to Data
Environment Systems using Global Mirror with Change Volumes
Trigger None
Workaround Use the 'chiogrp -feature flash -size' command to change the bitmap space
7.3.0.5 Global Mirror with Change Volumes
HU00464 All HIPER Loss of access to data due to resource leak in v7.3.0 (show details)
Symptom Loss of Access to Data
Environment All
Trigger None
Workaround None
7.3.0.5 Cache
HU00496 SVC, V7000 HIPER SVC volumes offline and data unrecoverable. For more details refer to this Flash (show details)
Symptom Data Integrity Loss
Environment Systems running v7.3.0.0 - v7.3.0.4 with compression accelerator hardware and compressed volumes
Trigger None
Workaround None
7.3.0.5 Compression
HU00280 SVC, V7000, V5000, V3700 Critical Multiple node warmstarts triggered by a Global Mirror disconnection (show details)
Symptom Multiple Node Warmstarts
Environment Systems using Global Mirror
Trigger None
Workaround None
7.3.0.5 Global Mirror
HU00444 SVC, V7000 Critical Node warmstarts due to overloaded compression engine (show details)
Symptom Multiple Node Warmstarts
Environment Systems with compressed volumes
Trigger None
Workaround None
7.3.0.5 Compression
HU00450 SVC, V7000, V5000, V3700 Critical Manual upgrade with stopped Global Mirror relationships can not complete non-disruptively due to dependent volumes (show details)
Symptom None
Environment Systems using Global Mirror
Trigger Manual (paced) upgrade
Workaround Perform automatic upgrade instead if manual upgrade
7.3.0.5 Global Mirror
HU00176 SVC, V7000, V5000, V3700 High Importance Node warmstart due to a I/O deadlock when using FlashCopy (show details)
Symptom Single Node Warmstart
Environment Systems using FlashCopy
Trigger Flashcopy
Workaround None
7.3.0.5 FlashCopy
HU00274 SVC, V7000, V5000, V3700 High Importance Quiesce and resume of host I/O when Global Mirror consistency group reaches consistent_synchronized state (show details)
Symptom Performance
Environment Systems using Global Mirror
Trigger None
Workaround None
7.3.0.5 Global Mirror
HU00422 SVC, V7000, V5000, V3700 High Importance Node warmstart when using Global Mirror Change Volumes (show details)
Symptom Single Node Warmstart
Environment Systems using Global Mirror with Change Volumes
Trigger None
Workaround None
7.3.0.5 Global Mirror with Change Volumes
HU00443 SVC, V7000, V5000, V3700 High Importance Global Mirror Change Volumes stops replicating after an upgrade from V641 to v7.2.0 or later (show details)
Symptom None
Environment Systems using Global Mirror with Change Volumes
Trigger Following upgrade to v7.2.0 or later
Workaround None
7.3.0.5 Global Mirror with Change Volumes
HU00446 All High Importance v7.3.0 cache does not make effective use of CPU resources Note: A restart is required to activate this fix if you upgrade from an earlier version of v7.3.0 (show details)
Symptom Performance
Environment All systems running v7.3 or later
Trigger None
Workaround None
7.3.0.5 Cache
HU00462 SVC, V7000, V5000, V3700 High Importance Node warmstart when using Easytier with a single tier in a pool on v7.3 (show details)
Symptom Single Node Warmstart
Environment Systems running v7.3 or later with EasyTier enabled
Trigger Using EasyTier with single tier in a storage pool
Workaround Turn off EasyTier
7.3.0.5 EasyTier
HU00465 SVC High Importance Node error 581 on 2145-CF8 nodes due to problem communicating with the IMM (show details)
Symptom Loss of Redundancy
Environment SVC systems with CF8 model nodes
Trigger During upgrade to 730 code stream
Workaround If node gets stuck with 581 node error, reboot the node and apply standard stalled upgrade procedure if this occurs on upgrade to V730
7.3.0.5 System Update
HU00486 SVC High Importance Systems upgraded to 2145-DH8 nodes do not make use of the compression acceleration cards for compressed volumes (show details)
Symptom Performance
Environment SVC systems using DH8 model nodes and compressed volumes
Trigger Upgrade from SVC CG8 to DH8 model nodes
Workaround None
7.3.0.5 Compression
IC90374 SVC, V7000, V5000, V3700 High Importance Node warmstart due to a I/O deadlock when using FlashCopy functions (show details)
Symptom Single Node Warmstart
Environment All
Trigger Flashcopy
Workaround None
7.3.0.5 FlashCopy
HU00354 SVC, V7000, V5000 Critical Loss of access to data if upgrading directly from 6.4.x to v7.3.0.1, v7.3.0.2 or v7.3.0.3 with multiple access I/O groups configured on any volume (show details)
Symptom Loss of Access to Data
Environment Systems with more than one I/O group
Trigger Systems that are upgraded from V6.4.0 to v7.3.0 or later with volumes that have access configured through more than one I/O group
Workaround Ensure that no volumes in the system to be upgraded are accessible through more than one I/O group. This can be checked using the 'lsvdiskaccess' cli command
7.3.0.4 Hosts
HU00432 All High Importance Performance reduction and node warmstarts when running out of cache resources in v7.3.0.1, v7.3.0.2, or v7.3.0.3 (show details)
Symptom Single Node Warmstart
Environment All systems running v7.3 or later
Trigger None
Workaround A possible workaround is to cache disable any volumes that are hitting the timouts
7.3.0.4 Cache
HU00324 SVC, V7000 Critical Compressed volumes offline after upgrading to v7.3.0.1 or v7.3.0.2 (show details)
Symptom Offline Volumes
Environment Systems running v7.3.0.1 with compressed volumes
Trigger Upgrade to v7.3.0.1
Workaround None
7.3.0.3 Compression
HU00296 SVC, V7000 High Importance Node warmstart when handling specific compression workloads (show details)
Symptom Single Node Warmstart
Environment Systems with compressed volumes
Trigger None
Workaround None
7.3.0.3 Compression
HU00336 All High Importance Single node warmstart when volumes go offline on systems running v7.3.0.0, v7.3.0.1 or v7.3.0.2 (show details)
Symptom Single Node Warmstart
Environment Systems running v7.3.0.0, v7.3.0.1 or v7.3.0.2
Trigger Offline volume condition
Workaround None
7.3.0.3 Cache
HU00304 V5000, V3700, V3500 Suggested Both node canister fault LEDs are set to ON following upgrade to v7.3 release (show details)
Symptom None
Environment V5000,V3700 & V3500 Systems
Trigger Update to v7.3.0
Workaround None
7.3.0.3 System Monitoring
HU00302 All Critical Multiple repeating node warmstarts if system has previously run a code release earlier than 6.4.0 and is upgraded to v7.3.0.1 without stepping through a 6.4.x release (show details)
Symptom Multiple Node Warmstarts
Environment Systems running v7.3.0.1
Trigger Upgrade to v7.3.0.1
Workaround None
7.3.0.2 Reliability Availability Serviceability
HU00014 All Critical Multiple node warmstarts if many volume-host mappings exist to a single host (show details)
Symptom Multiple Node Warmstarts
Environment All
Trigger Large number of hosts mapped to the same volumes
Workaround None
7.3.0.1 Hosts
HU00133 V7000, V5000, V3700, V3500 Critical Loss of access to data when an enclosure goes offline during software upgrade (show details)
Symptom Loss of Access to Data
Environment All
Trigger Storwize code update
Workaround None
7.3.0.1 Reliability Availability Serviceability
HU00195 SVC, V7000 Critical Multiple node warmstarts when creating the first compressed volume in an I/O group (show details)
Symptom Multiple Node Warmstarts
Environment Systems with compressed volumes
Trigger Creation of first compressed volume in an I/O group
Workaround None
7.3.0.1 Compression
HU00283 SVC, V7000 Critical Multiple node warmstarts caused by invalid compressed volume metadata (show details)
Symptom Multiple Node Warmstarts
Environment Systems with compressed volumes
Trigger None
Workaround None
7.3.0.1 Compression
HU00287 All Critical Multiple node warmstarts when using hosts where the IQN is the same, but uses different capitalisation (show details)
Symptom Multiple Node Warmstarts
Environment Systems with iSCSI connected hosts
Trigger Duplicate IQN detected
Workaround Ensure all hosts have unique IQN's
7.3.0.1 iSCSI
HU00298 SVC, V7000, V5000 Critical Multiple node warmstarts when using IBM DS4000 using an incorrect host type (show details)
Symptom Multiple Node Warmstarts
Environment Systems virtualising IBM DS4000 controllers
Trigger IBM DS4000 using an incorrect host type
Workaround None
7.3.0.1 Storage Virtualisation
IC92665 All Critical Multiple node warmstarts caused by iSCSI initiator using the same IQN as SVC or Storwize (show details)
Symptom Multiple Node Warmstarts
Environment Systems with iSCSI connected hosts
Trigger Creation of duplicate IQN
Workaround Ensure all hosts have unique IQN's
7.3.0.1 iSCSI
IT01250 V7000, V5000, V3700, V3500 Critical Loss of access to data when node or node canister goes offline during drive update (show details)
Symptom Loss of Access to Data
Environment All
Trigger Drive firmware update
Workaround None
7.3.0.1 Reliability Availability Serviceability
HU00017 SVC, V7000, V5000, V3700 High Importance Node warmstart after failed mkrcpartnership command (show details)
Symptom Single Node Warmstart
Environment Systems using Metro Mirror or Global Mirror
Trigger When running mkrcrelationship command
Workaround Ensure that RC commands are not issued on multiple clusters simultaneously, and if a mkrcrelationship command fails, ensure a different RC command is run successfully on the same cluster, before running an RC command on any (directly or indirectly) partnered cluster
7.3.0.1 Global Mirror, Global Mirror with Change Volumes, Metro Mirror
HU00026 SVC, V7000 High Importance Node warmstart after all compressed volumes in an I/O group are deleted (show details)
Symptom Single Node Warmstart
Environment Systems with compressed volumes
Trigger When deleting all compressed volumes in an I/O group
Workaround Avoid deleting all compressed volumes in an I/O group
7.3.0.1 Compression
HU00219 All High Importance Node warmstart when stopping a FlashCopy map in a chain of FlashCopy mappings (show details)
Symptom Single Node Warmstart
Environment Systems using FlashCopy
Trigger Stopping a FlashCopy map in a chain of FlashCopy mappings
Workaround Do not remove FlashCopy maps
7.3.0.1 FlashCopy
HU00253 SVC, V7000, V5000, V3700 High Importance Global Mirror with Change Volumes does not resume copying after an I/O group goes offline at secondary cluster (show details)
Symptom Single Node Warmstart
Environment Systems using Global Mirror with Change Volumes
Trigger I/O group goes offline at secondary cluster
Workaround Stopping and restarting the relationship will fix the state
7.3.0.1 Global Mirror with Change Volumes
HU00257 SVC, V7000, V5000 High Importance Multiple node warmstarts when EMC RecoverPoint appliance restarted (show details)
Symptom Multiple Node Warmstarts
Environment Systems virtualising EMC Recover Point controllers
Trigger Restart of backend EMC Recover Point device
Workaround None
7.3.0.1 Storage Virtualisation
HU00291 SVC, V7000, V5000, V3700 High Importance Node warmstart caused by instability in IP replication connection (show details)
Symptom Single Node Warmstart
Environment Systems using IP replication
Trigger Instability in link used by IP replication
Workaround None
7.3.0.1 IP Replication
HU00293 V7000, V5000, V3700, V3500 High Importance Node canister fails to boot after hard shutdown (show details)
Symptom Loss of Redundancy
Environment All
Trigger None
Workaround None
7.3.0.1 Reliability Availability Serviceability
IC89562 All High Importance Node warmstart when handling a large number of XCOPY commands (show details)
Symptom Single Node Warmstart
Environment Systems with hosts using XCOPY function
Trigger Host XCOPY commands
Workaround None
7.3.0.1 Hosts
IC89608 All High Importance Node warmstart when handling a large number of XCOPY commands (show details)
Symptom Single Node Warmstart
Environment Systems with hosts using XCOPY function
Trigger If a volume goes offline whist there are in flight XCOPY commands
Workaround None
7.3.0.1 Hosts
HU00183 SVC Suggested GUI becomes non-responsive on larger configurations (show details)
Symptom None
Environment SVC systems using CG8 "Chubby" model nodes
Trigger None
Workaround Restart Tomcat service
7.3.0.1 Graphical User Interface
HU00236 V7000, V5000, V3700, V3500 Suggested Performance degradation when changing the state of certain LEDs (show details)
Symptom Performance
Environment All
Trigger Running of the following commands: chenclosurecanister -clearswap chenclosurecanister -identify chenclosurecanister -excludesasport chenclosureslot -exclude chenclosureslot -identify
Workaround Do not use the chenclosurecanister or chenclosureslot commands unless required
7.3.0.1 Reliability Availability Serviceability
HU00241 All Suggested Unresponsive GUI caused by locked IPC sockets (show details)
Symptom None
Environment All
Trigger None
Workaround Reboot configuration node
7.3.0.1 Graphical User Interface
HU00272 All Suggested Arrays incorrectly reporting resync progress as 0% or 255% (show details)
Symptom None
Environment All
Trigger Update to v7.2.0
Workaround None
7.3.0.1 Backend Storage
HU00288 All Suggested GUI does not remember the most recently visited page (show details)
Symptom None
Environment All
Trigger None
Workaround None
7.3.0.1 Graphical User Interface
HU00290 V7000 Suggested System incorrectly attempts to upgrade firmware during maintenance discharge (show details)
Symptom None
Environment V7000 Generation 1 systems
Trigger Battery firmware update
Workaround None
7.3.0.1 Reliability Availability Serviceability
HU00294 All Suggested Event ID 981007 not always logged correctly (show details)
Symptom None
Environment All
Trigger None
Workaround None
7.3.0.1 System Monitoring
IC92993 All Suggested Fix Procedure for 1686 not replacing drive correctly (show details)
Symptom Loss of Redundancy
Environment All
Trigger Disk drive failure
Workaround None
7.3.0.1 GUI Fix Procedure
IC94781 All Suggested GUI Health status pod still showing red after offline node condition has been recovered (show details)
Symptom None
Environment All
Trigger None
Workaround None
7.3.0.1 Graphical User Interface

4. Useful Links

Description Link
Support Websites
Update Matrices, including detailed build version
Support Information pages providing links to the following information:
  • Interoperability information
  • Product documentation
  • Limitations and restrictions, including maximum configuration limits
Supported Drive Types and Firmware Levels
SAN Volume Controller and Storwize Family Inter-cluster Metro Mirror and Global Mirror Compatibility Cross Reference
Software Upgrade Test Utility