Users Guide

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