Users Guide
1 Overview.....................................................................................................................................11
What Is New In This Release............................................................................................................................................... 11
Before Installing Storage Management..............................................................................................................................11
Version Requirements For Controller Firmware And Drivers.................................................................................... 11
Supported Controllers....................................................................................................................................................12
Support For Disk And Volume Management.............................................................................................................. 12
2 Getting Started.......................................................................................................................... 13
Launching Storage Management.......................................................................................................................................13
On Systems Running Microsoft Windows.................................................................................................................. 13
On A System Running Linux And Any Remote System.............................................................................................13
User Privileges...................................................................................................................................................................... 14
Using The Graphical User Interface...................................................................................................................................14
Storage Object................................................................................................................................................................14
Health...............................................................................................................................................................................14
Information Or Configuration........................................................................................................................................14
Using The Storage Management Command-Line Interface...........................................................................................14
Displaying The Online Help..................................................................................................................................................14
Common Storage Tasks......................................................................................................................................................15
3 Understanding RAID concepts..................................................................................................... 16
RAID....................................................................................................................................................................................... 16
Hardware and software RAID.......................................................................................................................................16
RAID concepts................................................................................................................................................................ 16
RAID Levels..................................................................................................................................................................... 17
Organizing Data Storage For Availability And Performance........................................................................................... 17
Choosing RAID Levels And Concatenation....................................................................................................................... 17
Concatenation.................................................................................................................................................................18
RAID level 0 - striping.................................................................................................................................................... 18
RAID level 1 - mirroring.................................................................................................................................................. 19
RAID level 5 -striping with distributed parity............................................................................................................. 20
RAID level 6 - striping with additional distributed parity...........................................................................................20
RAID level 50 - striping over RAID 5 sets....................................................................................................................21
RAID level 60 - striping over RAID 6 sets...................................................................................................................22
RAID level 10 - striped-mirrors..................................................................................................................................... 23
RAID Level 1- Concatenated Mirror............................................................................................................................ 24
Comparing RAID Level And Concatenation Performance............................................................................................. 25
No-RAID................................................................................................................................................................................26
4 Quick Access To Storage Status And Tasks...................................................................................27
Storage Health..................................................................................................................................................................... 27
Hot Spare Protection Policy...............................................................................................................................................27
Storage Component Severity............................................................................................................................................ 27
Storage Properties And Current Activity......................................................................................................................... 28
Contents
Contents 3