Users Guide

1 Overview.....................................................................................................................................11
What Is New In This Release............................................................................................................................................... 11
Before Installing Storage Management.............................................................................................................................12
Version Requirements For Controller Firmware And Drivers....................................................................................12
Supported Controllers....................................................................................................................................................12
Support For Disk And Volume Management.............................................................................................................. 13
2 Getting Started.......................................................................................................................... 14
Launching Storage Management.......................................................................................................................................14
On Systems Running Microsoft Windows.................................................................................................................. 14
On A System Running Linux And Any Remote System.............................................................................................14
User Privileges...................................................................................................................................................................... 15
Using The Graphical User Interface...................................................................................................................................15
Storage Object............................................................................................................................................................... 15
Health...............................................................................................................................................................................15
Information Or Configuration........................................................................................................................................15
Using The Storage Management Command-Line Interface...........................................................................................15
Displaying The Online Help..................................................................................................................................................15
Common Storage Tasks......................................................................................................................................................16
3 Understanding RAID concepts......................................................................................................17
RAID....................................................................................................................................................................................... 17
Hardware and software RAID....................................................................................................................................... 17
RAID concepts................................................................................................................................................................ 17
RAID Levels..................................................................................................................................................................... 18
Organizing Data Storage For Availability And Performance........................................................................................... 18
Choosing RAID Levels And Concatenation.......................................................................................................................18
Concatenation.................................................................................................................................................................19
RAID level 0 - striping.................................................................................................................................................... 19
RAID level 1 - mirroring..................................................................................................................................................20
RAID level 5 -striping with distributed parity.............................................................................................................. 21
RAID level 6 - striping with additional distributed parity............................................................................................21
RAID level 50 - striping over RAID 5 sets...................................................................................................................22
RAID level 60 - striping over RAID 6 sets...................................................................................................................23
RAID level 10 - striped-mirrors..................................................................................................................................... 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
Alerts Or Events.................................................................................................................................................................. 28
Contents
Contents 3