Release Notes

ManualsBrandsDell ManualsCompellent (SCStorage SCv3020

Dell Storage Center 7.2 Release Notes

This document describes the new features, enhancements, fixed issues, and open issues in Storage Center 7.2.

Current Version: 7.2.51

Release Date: 2018 - 07

Previous Version: 7.2.50

Topics:

• Document Revision History

• Supported Storage Systems

• New in This Release

• Storage Center 7.2 Feature Availability and Licenses

• Storage Center 7.2 Scalability

• Fixed Issues

• Open Issues

• Storage Center Update Information

• Support Resources

Document Revision History

Table 1. Revision History

Revision Date Description

A February 2017 Initial release of Storage Center 7.2

B May 2017 Updated for Storage Center 7.2.10

C June 2017 Added supported platforms for the Live Volume with Auto Failover feature

D July 2017 Updated for Storage Center 7.2.11

E August 2017 Added support for SC8000, SC4020, and SCv2000 series storage systems

F September 2017 Updated raw capacity for SC9000 storage systems

G October 2017 Added support for SCv3000 series storage systems and SCv300, SCv320,

SCv360, and SC460 expansion enclosures

H November 2017 Updated for Storage Center 7.2.30

I January 2018 Updated for Storage Center 7.2.31

J April 2018 Updated for Storage Center 7.2.40

K July 2018 Updated for Storage Center 7.2.50

L July 2018 Updated for Storage Center 7.2.51

M September 2018 Added SCOS-49144 to the list of issues fixed in Storage Center 7.2.40

N October 2018 Added SQAI-7 to the list of vendor issues fixed in Storage Center 7.2.10

O February 2019 Updated the supported maximum storage space for an SC4020

Supported Storage Systems

Storage Center 7.2.11 or later is supported on the following storage systems:

• SC9000

Document Number: 680-021-020

Rev. O

2018 - 02

Dell Storage Center 7.2 Release Notes 1

Summary of content (24 pages)

PAGE 1
Document Number: 680-021-020 Rev. O 2018 - 02 Dell Storage Center 7.2 Release Notes This document describes the new features, enhancements, fixed issues, and open issues in Storage Center 7.2. Current Version: 7.2.51 Release Date: 2018 - 07 Previous Version: 7.2.50 Topics: • • • • • • • • • Document Revision History Supported Storage Systems New in This Release Storage Center 7.2 Feature Availability and Licenses Storage Center 7.
PAGE 2
• • • • • • • • SC8000 SC7020F SC7020 SC5020F SC5020 SC4020 SCv3000 Series SCv2000 Series New in This Release The following features were added to Storage Center 7.2. Dell Storage Manager 2016 Dell Storage Manager 2016 R3.11 or later is required to manage storage systems running Storage Center 7.2.11 or later.
PAGE 3
SC5020F All-Flash Storage Systems Storage Center 7.2 introduces support for SC5020F all-flash storage systems. The SC5020F consists of a 3U chassis with dual storage controllers, redundant power supplies, and up to 30 internal 2.5-inch hot swappable SSDs. The SC5020F can be expanded up to 222 drives using SC420F all-flash expansion enclosures. NOTE: The SC5020F must be updated to Storage Center 7.2.11 or later when it is installed. SC5020 Storage Systems Storage Center 7.
PAGE 4
• • • • • Dell Storage Manager Dynamic Capacity Dynamic Controllers Live Migrate Local Data Protection • • • • • Data Instant Replay (Snapshots) • Manual Replay (Snapshots) Multi-VLAN Tagging Virtual Ports Volume QoS VVols Optional Licenses • • • • • Live Volume and Live Volume with Auto Failover Remote Instant Replay (Replication), including Cross-Platform Replication Replay Manager SED FIPS Secure Data Storage Manager Chargeback Storage Optimization Bundle • • Data Progression Fast Track Storage P
PAGE 5
Optional Licenses • • • • • Live Volume and Live Volume with Auto Failover Remote Instant Replay (Replication), including Cross-Platform Replication Replay Manager SED FIPS Secure Data Storage Manager Chargeback SC7020F and SC5020F Features and Licenses SC7020F and SC5020F all-flash storage systems provide the following licensed features.
PAGE 6
• • • Replay Manager SED FIPS Secure Data Storage Manager Chargeback Storage Protection Bundle • • • Live Volume and Live Volume with Auto Failover Remote Instant Replay (Replication), including Cross-Platform Replication Replay Manager Storage Optimization Bundle • • Data Progression Fast Track Total Feature Bundle • • • • SED FIPS Secure Data Storage Manager Chargeback Storage Optimization Bundle Storage Protection Bundle SC4020 Features and Licenses SC4020 storage systems provide the following li
PAGE 7
Remote Data Protection with Live Volume Bundle • • Remote Instant Replay (Replication), including Cross-Platform Replication Live Volume and Live Volume with Auto Failover SCv3000 Series Features and Licenses SCv3000 series storage systems provide the following licensed features and optional value-added bundles.
PAGE 8
Optional Licenses • • Flex Port Local Data Protection • • Data Instant Replay (Snapshots) • Manual Replay (Snapshots) Remote Data Protection (Asynchronous replication only) Storage Center 7.2 Scalability The following scalability guidelines apply to Storage Center 7.2. Storage System Scalability Guidelines The following scalability guidelines apply to SC9000, SC8000, SC7020F, SC7020, SC5020F, SC5020, SC4020, SCv3000 Series, and SCv2000 Series storage systems.
PAGE 9
Storage Center Scalability Guidelines The following scalability guidelines are the maximum recommended design guidelines for storage systems running Storage Center 7.2. SC9000, SC8000, SC7020F, SC7020, SC5020F, SC5020, and SC4020 Storage Systems The following scalability guidelines are the maximum recommended design guidelines for storage systems running Storage Center 7.2.
PAGE 10
Storage Center Object Supported Maximum Server • • • 250 servers (Total number of servers includes physical servers, virtual servers, and server clusters) 250 server folders 500 server HBA initiator ports (Total number of HBA initiator ports includes all physical and virtual ports that are visible to the SAN) Volume • • • Live Volume 100 Live Volumes Thin Import 10 volumes (maximum simultaneous imports) QoS Profiles • • • 500 TB maximum volume size (or the maximum addressable storage space, whi
PAGE 11
Fixed Issues The following sections summarize the issues fixed in Storage Center 7.2. NOTE: Storage Center 7.2.11 contains all the issues fixed in Storage Center 7.1.12 and earlier. For more information, see the Storage Center 7.1 Release Notes. Fixed Issues Related to Alerts and Reporting The following alerts and reporting issues are fixed in Storage Center 7.2: Table 2. Fixed Alert and Reporting Issues in Storage Center 7.2.
PAGE 12
Issue Description SCOS-42286 Deduplication ingest might fail to occur when expected on an unbalanced storage system after a Rebalance Local Ports operation is performed. Table 7. Fixed Data Reduction Issues in Storage Center 7.2.40 Issue Description SCOS-49144 Data progression might stop running or the Storage Center might reset when a payload checksum failure occurs due to table entries being read incorrectly from memory.
PAGE 13
Issue Description SCOS-24167 A storage system with deduplication enabled volumes might experience performance issues during the deduplication page manager clean-up process. SCOS-22379 The compression and deduplication page manager defragmentation process might cause high CPU utilization and impact system performance. SCOS-21671 Rehydration of deduplicated or compressed data does not place the data in the tier specified by the volume storage profile. Table 12.
PAGE 14
Issue Description SCOS-43848 On SCv2000 series, SCv3000 series, SC4020, SC5020, and SC7020 storage systems that are destinations for replications using the embedded iSCSI ports, if the source system uses 10 GbE iSCSI host bus adapters, replication performance may significantly drop until the source system 10 GbE iSCSI HBAs are restarted. SCOS-43703 On SCv2000 series and SC4020 storage systems, the write cache might to go down if one of the redundant power supply fails.
PAGE 15
Fixed Issues Related to Licensing, SupportAssist, and Updating The following licensing, SupportAssist, and updating issues are fixed in Storage Center 7.2: Table 18. Fixed Licensing, SupportAssist, and Updating Issues in Storage Center 7.2.51 Issue Description SCOS-49445 After updating an SCv2000 series or SC4020 storage system to Storage Center 7.2, a down cache device might be displayed for slot 0 because the cache device moved to slot 32.
PAGE 16
Fixed Issues Related to Replication and Live Volume The following replication and Live Volume issues are fixed in Storage Center 7.2: Table 24. Fixed Replication and Live Volume Issues in Storage Center 7.2.50 Issue Description SCOS-46819 On a storage system with Automatic Fail Over Live Volumes, a Live Volume fail over might cause an error because IORP codes are not transferred back to the originating controller over IPC.
PAGE 17
Fixed Issues Related to Storage Management The following storage management issues are fixed in Storage Center 7.2: Table 30. Fixed Storage Management Issues in Storage Center 7.2.51 Issue Description SCOS-49683 When iSCSI TCP connections are unstable on embedded iSCSI ports, the Max Burst Window might be reduced, which could result in read performance degradation. Table 31. Fixed Storage Management Issues in Storage Center 7.2.50 Issue Description SCOS-49969 After updating to Storage Center 7.2.
PAGE 18
Issue Description SCOS-1392 When upgrading from a 3G SAS I/O card to a 6G SAS I/O card using the hardware change wizard, the new I/O card is displayed in slot 100x, where x is the slot number. Table 34. Fixed Storage Management Issues in Storage Center 7.2.10 Issue Description SCOS-40999 Metadata on inconsistent RAID mirrors/stripes might cause Data Progression failures and lead to inefficient system space usage and performance degradation.
PAGE 19
Issue Description SCOS-18540 A controller revert might take several minutes to complete while deactivating the history of a large volume (several TBs) if the storage system has space management snapshots. SCOS-14111 Secondary storage deactivation process is not flushing prefetch pages. Fixed issues Related to Vendors The following issue is fixed in Storage Center 7.2. Table 36. Fixed Vendor Issues in Storage Center 7.2.
PAGE 20
Issue Description Workaround: Connect to the Storage Center through the Storage Manager Data Collector, and delete the Live Volume or Live Migration before deleting the volume. SCOS-17981 Server mappings may not be completely removed when a server is removed from an OS cluster using Dell Storage Manager before the server is removed from the OS cluster. Workaround: Remove the server from the cluster through the OS first. After the server is rebooted, remove the server object using Dell Storage Manager.
PAGE 21
Issue Description Workaround: Use Dell Storage Manager to change the MTU on the iSCSI fault domain from 1500 to 1472. SCOS-40311 If a portable volume USB device is connected to the lead controller and the lead controller fails over, a portable volume copy might fail to resume when the storage system fails back to the original lead controller. Workaround: Disconnect and reconnect the portable volume USB device to resume the copy.
PAGE 22
Issue Description Workaround: Update the QLogic firmware on the adapter. The QLogic firmware is available at http:// www.dell.com/support/home/us/en/19/Drivers/DriversDetails?driverId=6RGDW SQAI-2 An ESXi 5.5 or 6.0 host with an Emulex FC/FCoE HBA running driver version 11.0.x.x might crash during a controller failover. Workaround: Update to the latest Dell custom images of ESXi 5.5, 6.0, or 6.5.
PAGE 23
• Provides instructions for using the Data Collector Manager and the Dell Storage Manager Client. Dell Storage Manager Online Help • Provides context-sensitive help for the Dell Storage Manager Client, Data Collector Manager, and Storage Manager Server Agent. Dell Storage Manager Release Notes • Provides information about Dell Storage Manager releases, including new features, enhancements, fixed issues, and open issues.
PAGE 24
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. To contact Dell for sales, technical support, or customer service issues, go to www.dell.com/support.