Users Guide

Contents
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......................................................................................... 14
User Privileges.................................................................................................................................................................. 14
Using The Graphical User Interface................................................................................................................................14
Storage Object............................................................................................................................................................14
Health...........................................................................................................................................................................14
Information Or Conguration.................................................................................................................................... 15
Using The Storage Management Command-Line Interface....................................................................................... 15
Displaying The Online Help.............................................................................................................................................. 15
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.................................................................................................................................................19
RAID level 1 - mirroring...............................................................................................................................................19
RAID level 5 -striping with distributed parity..........................................................................................................20
RAID level 6 - striping with additional distributed parity........................................................................................21
RAID level 50 - striping over RAID 5 sets................................................................................................................21
RAID level 60 - striping over RAID 6 sets............................................................................................................... 22
RAID level 10 - striped-mirrors..................................................................................................................................23
Comparing RAID Level And Concatenation Performance...........................................................................................24
No-RAID............................................................................................................................................................................25
4 Quick Access To Storage Status And Tasks..................................................................................................26
Storage Health................................................................................................................................................................. 26
Hot Spare Protection Policy........................................................................................................................................... 26
Storage Component Severity......................................................................................................................................... 26
Contents
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