Users Guide
1 Overview.................................................................................................................................... 12
What Is New In This Release.............................................................................................................................................. 12
Before Installing Storage Management.............................................................................................................................12
Version Requirements For Controller Firmware And Drivers....................................................................................12
Supported Controllers....................................................................................................................................................13
Supported Enclosures....................................................................................................................................................14
Support For Disk And Volume Management.............................................................................................................. 14
2 Getting Started.......................................................................................................................... 15
Launching Storage Management.......................................................................................................................................15
On Systems Running Microsoft Windows.................................................................................................................. 15
On A System Running Linux And Any Remote System.............................................................................................15
User Privileges...................................................................................................................................................................... 16
Using The Graphical User Interface...................................................................................................................................16
Storage Object................................................................................................................................................................16
Health...............................................................................................................................................................................16
Information/Configuration............................................................................................................................................ 16
Using The Storage Management Command-Line Interface...........................................................................................16
Displaying The Online Help..................................................................................................................................................16
Common Storage Tasks...................................................................................................................................................... 17
3 Understanding RAID concepts......................................................................................................18
What is RAID?.......................................................................................................................................................................18
Hardware and software RAID.......................................................................................................................................18
RAID concepts................................................................................................................................................................ 18
RAID Levels..................................................................................................................................................................... 19
Organizing Data Storage For Availability And Performance........................................................................................... 19
Choosing RAID Levels And Concatenation.......................................................................................................................19
Concatenation................................................................................................................................................................20
RAID level 0 (striping)....................................................................................................................................................21
RAID level 1 (mirroring)..................................................................................................................................................21
RAID level 5 (striping with distributed parity)............................................................................................................22
RAID level 6 (striping with additional distributed parity).......................................................................................... 22
RAID level 50 (striping over RAID 5 sets).................................................................................................................. 23
RAID level 60 (striping over RAID 6 sets).................................................................................................................. 24
RAID level 10 (striped-mirrors).................................................................................................................................... 25
RAID Level 1-Concatenated (Concatenated Mirror)................................................................................................ 26
Comparing RAID Level And Concatenation Performance..............................................................................................27
No-RAID................................................................................................................................................................................28
4 Quick Access To Storage Status And Tasks.................................................................................. 29
Storage Health.....................................................................................................................................................................29
Hot Spare Protection Policy.............................................................................................................................................. 30
Storage Component Severity............................................................................................................................................ 30
Contents
Contents 3