Users Guide

Contents
1 Overview.......................................................................................................................................................12
What Is New In This Release...........................................................................................................................................12
Before Installing Storage Management..........................................................................................................................12
Version Requirements For Controller Firmware And Drivers.................................................................................13
Supported Controllers................................................................................................................................................ 13
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......................................................................................... 16
User Privileges.................................................................................................................................................................. 16
Using The Graphical User Interface............................................................................................................................... 16
Storage Object............................................................................................................................................................16
Health...........................................................................................................................................................................16
Information Or Conguration.....................................................................................................................................17
Using The Storage Management Command-Line Interface........................................................................................17
Displaying The Online Help.............................................................................................................................................. 17
Common Storage Tasks................................................................................................................................................... 17
3 Understanding RAID concepts......................................................................................................................18
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....................................................................................... 23
RAID level 50 - striping over RAID 5 sets............................................................................................................... 23
RAID level 60 - striping over RAID 6 sets............................................................................................................... 24
RAID level 10 - striped-mirrors................................................................................................................................. 25
Comparing RAID Level And Concatenation Performance.......................................................................................... 26
No-RAID............................................................................................................................................................................ 27
4 Quick Access To Storage Status And Tasks..................................................................................................28
Storage Health................................................................................................................................................................. 28
Hot Spare Protection Policy........................................................................................................................................... 28
Storage Component Severity......................................................................................................................................... 28
Contents
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