Dell Storage Center 7.4

Document Revision: 680-021-022 Rev. H, March 2021

Overview

This document provides release notes and technical information for Dell Storage Center 7.4, covering various software versions including 7.4.21, 7.4.20, 7.4.10, and 7.4.2. It details supported hardware platforms, software integrations, key features, and specific updates.

Supported Storage Arrays

Storage Center 7.4 supports a range of Dell storage arrays:

SC9000
SC8000
SC7020F
SC7020
SC5020F
SC5020
SC4020
SCv3000 series (SCv3000, SCv3020)
SCv2000 series (SCv2000, SCv2020, SCv2080)
SC400, SC420, SC420F, SC200, SC220

Supported Platforms and Integrations

Storage Center 7.4 integrates with various server and virtualization platforms, and management tools:

Virtualization Platforms:

VMware vSphere (7.0, 6.7, 6.5, 6.0, 5.5)
Windows Server (2019, 2016, 2012 R2, 2012) with Hyper-V

Management Tools:

Dell Storage Manager
Unisphere Web
Unisphere Central
CloudIQ
Storage Manager Client

Other Integrations:

Veeam (version 9.5)
FluidFS
Live Volume
VVol (Virtual Volumes)
SED FIPS (Self-Encrypting Drive FIPS)

Key Features

Live Volume: Dynamic volume management.
Live Migrate: Seamless migration of data.
VLAN Support
QoS (Quality of Service): For managing performance.
VVol (Virtual Volumes): Integration with VMware.
SED FIPS: Support for FIPS-compliant self-encrypting drives.

Storage Array Specifications Summary

The following tables summarize key specifications for various Dell Storage Center models supported by Storage Center 7.4.

SC Series Specifications

Model	Max Capacity	Cache Options	Block Size	Max IOPS (Example)
SC9000	1500 TB	128 GB, 256 GB	512 KB	6000 TB (Note: IOPS values are often represented in TB/s or similar in source, using TB for capacity here)
SC8000	750 TB	64 GB	512 KB	4000 TB
SC7020F / SC7020	1000 TB	128 GB	2 MB / 4 MB	12,000 TB / 8000 TB
SC5020F / SC5020	540 TB	64 GB	4 MB	3000 TB / 2000 TB
SC4020	263 TB	16 GB	4 MB	3000 TB

Note: Capacity and performance figures are illustrative and may vary based on configuration and workload.

SCv Series Specifications

Model	Max Capacity	Cache Options	Block Size	Max IOPS (Example)
SCv3000	250 TB	16 GB	512 KB	2000 TB
SCv2000	168 TB	8 GB	512 KB	1350 TB

Connectivity and Protocol Support

Support for various connectivity options and protocols across different models:

SC Series Connectivity

Model	SAS Ports	SAS Drives Supported	HBA/SAN Connectivity	iSCSI Ports	Fibre Channel Ports	FCoE Support
SC9000	1024	192	HBA, SAN	500 TB	1 PB	N/A
SC8000	960	168	HBA, SAN	500 TB	N/A	N/A
SC7020F / SC7020	606	192	HBA, SAN	1000 TB	N/A	N/A
SC5020F / SC5020	222	192	HBA, SAN	500 TB	N/A	N/A
SC4020	192	168	HBA, SAN	500 TB, 1000 TB	N/A	N/A

SCv Series Connectivity

Model	SAS Ports	SAS Drives Supported	HBA/SAN Connectivity	iSCSI Ports	Fibre Channel Ports	FCoE Support
SCv3000 / SCv3020	208 / 222	192	HBA, SAN	250 TB, 500 TB	N/A	N/A
SCv2000 / SCv2020 / SCv2080	168	156 / 144 / 84	HBA, SAN	100 TB, 500 TB	N/A	N/A

Note: Port counts and capacities listed are examples and may vary.

Release Notes and Updates

The following sections detail specific updates and fixes for various Storage Center 7.4 versions.

Storage Center 7.4.20 Updates

SCOS-60622: Storage Center behavior with "False" values.
SCOS-60438: Compatibility with VMware vSphere 7.0.
SCOS-60386: General system stability.
SCOS-60224: Performance improvements.
SCOS-58788: Updates related to Storage Center 7.4.5.
SCOS-54606: Fixes for specific I/O operations.

Storage Center 7.4.2 Updates

SCOS-55306: Data Protection Manager (DPM) integration.
SCOS-54988: Enhancements to Data Progression.
SCOS-54249: Fixes for RAID operations.
SCOS-54180: System stability improvements.
SCOS-54104: Resolved issues in Storage Center 7.3.4.
SCOS-54101: Updates for DPM/PPM and RAID configurations.
SCOS-52707: Support for 16 GB cache on SC8000.
SCOS-49144: Improvements to Data Progression.
SCOS-49069: General system fixes.
SCOS-48236: Resolved issues related to 5-way configurations.

Storage Center 7.4.10 Updates

SCOS-58784, SCOS-58783: Updates related to SMTP communication.
SCOS-58505: Fixes for SMTP operations.
SCOS-56791: SNMP trap handling improvements.
SCOS-55750: Resolved issues with Storage Center (136).
SCOS-59862: Self-Encrypting Drive (SED) support.
SCOS-59486: iSCSI QRQ and MVLAN improvements.
SCOS-59111: iSCSI QRQ for SCv3000 and SC5020.
SCOS-58697: Chelsio iSCSI HBA support.
SCOS-54645: Chelsio T5/T6 iSCSI HBA support with Dell Networking.
SCOS-56774: Chelsio T3 iSCSI HBA and TCP optimizations.
SCOS-56549: SED functionality enhancements.
SCOS-56536: T10-PI (Protection Information) support.
SCOS-55569: Chelsio T420 iSCSI HBA optimizations.
SCOS-55572: Chelsio T3 iSCSI HBA improvements.
SCOS-52053: Support for SC460 and SCv360.
SCOS-49124: BMC support for SC4020 and SCv2000.
SCOS-59261, SCOS-58472: HTTP Strict Transport Security (HSTS) and SSL improvements.
SCOS-55131: SSL certificate handling (Port 825).
SCOS-48576: Apache web server integration.
SCOS-58967, SCOS-56743, SCOS-56503: Live Volume enhancements and fixes.
SCOS-51239: Live Volume stability.
SCOS-49585: Live Volume performance.
SCOS-2474: General Live Volume improvements.

Storage Center 7.4.21 Updates

SCOS-61862: SupportAssist improvements for SC5020/SC5020F, including iDRAC integration.
SCOS-61881: General system stability and performance.
SCOS-62354: BIOS, iDRAC, and DIMM support for SCv3000/SC5020.
SCOS-60092: Live Volume enhancements.
SCOS-59752: Power Supply (PS) monitoring and reporting.
SCOS-55072: Live Migrate improvements for Windows environments.
SCOS-41280: I/O handling for Windows CSV.
SCOS-17981: Storage Manager and Storage Center stability.
SCOS-14322: Live Volume path management.
ENHTKR-90: LUN management in Storage Manager.
SCOS-62922: Fibre Channel fabric compatibility (Fabric OS v8.2.x, v9.0.0), FCoE support (QLogic, Emulex), iSCSI performance. Includes links to driver downloads: Dell Support Driver Link.
SCOS-59639: IPMI/KCS and iDRAC integration.
SCOS-40588: Storage Manager Data Collector and iSCSI connectivity issues.
SCOS-22150: SC7020/SC5020 HBA support.
SCOS-11192: DNS resolution improvements.

General Updates and Fixes (Across Versions)

SCOS-52698: SMTP HELO/EHLO command handling.
SCOS-58743: Live Volume and VMware vSphere 7.0 integration.
SCOS-55504, SCOS-59639, SCOS-55685, SCOS-60092, SCOS-62354, SCOS-60438, SCOS-62922: Various feature enhancements and bug fixes.
SSL: Security enhancements for SSL communication.
SCOS-52646, SCOS-49735: BIOS, iDRAC, DIMM, and network adapter (XL710 Intel SFP+) support.
SCOS-60273: LDAP server integrity checks.
SCOS-38226: LiveVolume management in Storage Manager.
SCOS-59533: MPIO support for Mac OS X 10.x and VMware ESXi 7.0.
SCOS-58275: CPU usage optimization (HTTP).
SCOS-55290: Storage Manager Client and Unisphere Web improvements.
SCOS-53443: DNS and Unisphere Web integration.
SCOS-52572: Live Volume and Storage Manager Client interaction.
SCOS-51215: iSCSI IP configuration.
SCOS-50682: Storage Manager Client and Unisphere Web for SC460/SCv360.
SCOS-48963: Data Collector functionality.
SCOS-44778: NTP and Storage Manager Client/Unisphere Web integration.
SCOS-61122: RAID controller improvements.
SCOS-60986: SCSI command handling.
SCOS-60721: RAID configuration and management.
SCOS-60271: RAID array stability.
SCOS-60244: iSCSI TCP performance.
SCOS-60231: Data Progression enhancements.
SCOS-60203: FC and iSCSI protocol optimizations.
SCOS-59488: XCOPY command support.
SCOS-58972: General system fixes.
SCOS-58834: SAS drive compatibility with Windows.
SCOS-57356: System stability.
SCOS-58492: RAID management in Storage Center.
SCOS-58292: MC (Management Console) improvements for Storage Center 7.2.51 and 7.3.
SCOS-56490: PagePoolDevice RAID handling.
SCOS-56041: SED (Self-Encrypting Drive) support.
SCOS-55888: System stability.
SCOS-50357: General system fixes.
SCOS-20076: System performance improvements.
SCOS-58375: I/O handling for 4096 block sizes.
SCOS-58210: System stability.
SCOS-57359: General system fixes.
SCOS-56244: System performance.
SCOS-56076: System stability.
SCOS-55944: General system fixes.
SCOS-55897: Updates to multi-step processes.
SCOS-55835: IORP (I/O Request Processor) handling.
SCOS-55713: Group management ("Default" group).
SCOS-55468: RAID and Reed-Solomon error correction.
SCOS-55147: System stability.
SCOS-54696: General Storage Center improvements.
SCOS-54626: System stability.
SCOS-54597: Performance enhancements.
SCOS-54592: RAID controller improvements.
SCOS-54172: Storage Center RAID management.
SCOS-54122: System stability.
SCOS-53078, SCOS-53073, SCOS-53017, SCOS-51852, SCOS-51777, SCOS-51737, SCOS-51692, SCOS-50562, SCOS-49760: Various system fixes and improvements, including IPMI, iDRAC, CPU monitoring, and Data Progression.
SCOS-49035: System stability.
SCOS-48764: Performance enhancements.
SCOS-19650: Space Management and Replay features.

SupportAssist

Storage Center 7.4 includes enhancements to SupportAssist for improved remote diagnostics and support:

SCOS-61862: SupportAssist improvements for SC5020/SC5020F, including iDRAC integration.
SCOS-59083: DST (Daylight Saving Time) handling in SupportAssist.
SCOS-58699: Compatibility with Storage Center 6.4.x and 7.3.1 for I/O monitoring.
SCOS-54886: Phone Home functionality integration with CloudIQ and SupportAssist.
SCOS-54088: General SupportAssist stability.
SCOS-53468: Compatibility with Storage Center 6.7 and 7.2.
SCOS-52506: Enhancements for 16 Storage Center instances.

Live Volume

Updates and improvements for the Live Volume feature:

SCOS-58967, SCOS-56743, SCOS-56503: Live Volume enhancements and fixes across versions.
SCOS-51239: Live Volume stability.
SCOS-49585: Live Volume performance optimizations.
SCOS-2474: General Live Volume improvements.
SCOS-60092: Live Volume enhancements.
SCOS-59752: Power Supply (PS) monitoring and reporting related to Live Volume.
SCOS-55072: Live Migrate improvements for Windows environments.
SCOS-41280: I/O handling for Windows CSV in Live Volume.
SCOS-17981: Storage Manager and Storage Center stability for Live Volume.
SCOS-14322: Live Volume path management.
ENHTKR-90: LUN management in Storage Manager for Live Volume.

Security and Network

Updates related to security protocols and network configuration:

SCOS-59261, SCOS-58472: HTTP Strict Transport Security (HSTS) and SSL improvements.
SCOS-55131: SSL certificate handling (Port 825).
SCOS-48576: Apache web server integration.
SCOS-53429: SNMP and SMTP integration.
SCOS-53504: HTTP protocol handling.
SCOS-60244: iSCSI TCP performance.
SCOS-60203: FC and iSCSI protocol optimizations.
SCOS-58834: SAS drive compatibility with Windows.
SCOS-55267: SNMP support for SC7020/SC5020/SCv3000.
SCOS-54981: SCSI command handling.
SCOS-53443: DNS and Unisphere Web integration.
SCOS-51215: iSCSI IP configuration.
SCOS-11192: DNS resolution improvements.
SCOS-60273: LDAP server integrity checks.

Hardware and Component Support

Information on hardware compatibility and component support:

SCOS-62354: BIOS, iDRAC, and DIMM support for SCv3000/SC5020.
SCOS-62922: Fibre Channel fabric compatibility (Fabric OS v8.2.x, v9.0.0), FCoE support (QLogic, Emulex), iSCSI performance. Includes links to driver downloads: Dell Support Driver Link.
SCOS-52053: Support for SC460 and SCv360.
SCOS-49124: BMC support for SC4020 and SCv2000.
SCOS-51965: Dell SAS drive support for SC280/SCv360/SCv420.
SCOS-56536: T10-PI (Protection Information) support.
SCOS-55569: Chelsio T420 iSCSI HBA optimizations.
SCOS-55572: Chelsio T3 iSCSI HBA improvements.
SCOS-56774: Chelsio T3 iSCSI HBA and TCP optimizations.
SCOS-59595: Chelsio T5/T6 iSCSI HBA and SCSI I/O handling.
SCOS-54645: Chelsio T5/T6 iSCSI HBA support with Dell Networking.
SCOS-56041: SED (Self-Encrypting Drive) support.
SCOS-55136: Support for SCv2000 and SC4020.
SCOS-52646, SCOS-49735: BIOS, iDRAC, DIMM, and network adapter (XL710 Intel SFP+) support.

Other Notable Updates

SCOS-58275: CPU usage optimization (HTTP).
SCOS-55290: Storage Manager Client and Unisphere Web improvements.
SCOS-53443: DNS and Unisphere Web integration.
SCOS-52572: Live Volume and Storage Manager Client interaction.
SCOS-51215: iSCSI IP configuration.
SCOS-50682: Storage Manager Client and Unisphere Web for SC460/SCv360.
SCOS-48963: Data Collector functionality.
SCOS-44778: NTP and Storage Manager Client/Unisphere Web integration.
SCOS-61122: RAID controller improvements.
SCOS-60986: SCSI command handling.
SCOS-60721: RAID configuration and management.
SCOS-60271: RAID array stability.
SCOS-60244: iSCSI TCP performance.
SCOS-60231: Data Progression enhancements.
SCOS-59488: XCOPY command support.
SCOS-58972: General system fixes.
SCOS-58834: SAS drive compatibility with Windows.
SCOS-57356: System stability.
SCOS-58492: RAID management in Storage Center.
SCOS-58292: MC (Management Console) improvements for Storage Center 7.2.51 and 7.3.
SCOS-56490: PagePoolDevice RAID handling.
SCOS-56041: SED (Self-Encrypting Drive) support.
SCOS-55888: System stability.
SCOS-50357: General system fixes.
SCOS-20076: System performance improvements.
SCOS-58375: I/O handling for 4096 block sizes.
SCOS-58210: System stability.
SCOS-57359: General system fixes.
SCOS-56244: System performance.
SCOS-56076: System stability.
SCOS-55944: General system fixes.
SCOS-55897: Updates to multi-step processes.
SCOS-55835: IORP (I/O Request Processor) handling.
SCOS-55713: Group management ("Default" group).
SCOS-55468: RAID and Reed-Solomon error correction.
SCOS-55147: System stability.
SCOS-54696: General Storage Center improvements.
SCOS-54626: System stability.
SCOS-54597: Performance enhancements.
SCOS-54592: RAID controller improvements.
SCOS-54172: Storage Center RAID management.
SCOS-54122: System stability.
SCOS-53078, SCOS-53073, SCOS-53017, SCOS-51852, SCOS-51777, SCOS-51737, SCOS-51692, SCOS-50562, SCOS-49760: Various system fixes and improvements, including IPMI, iDRAC, CPU monitoring, and Data Progression.
SCOS-49035: System stability.
SCOS-48764: Performance enhancements.
SCOS-19650: Space Management and Replay features.

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