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........................................................................................ 12
Supported Controllers................................................................................................................................................. 13
Supported Enclosures................................................................................................................................................. 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................................................................................................15
User Privileges.................................................................................................................................................................. 16
Using The Graphical User Interface...................................................................................................................................16
Storage Object............................................................................................................................................................16
Health......................................................................................................................................................................... 16
Information/Conguration...........................................................................................................................................16
Using The Storage Management Command-Line Interface...............................................................................................16
Displaying The Online Help................................................................................................................................................16
Common Storage Tasks.....................................................................................................................................................17
3 Understanding RAID concepts....................................................................................... 18
What is 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)..............................................................................................22
RAID level 50 (striping over RAID 5 sets)................................................................................................................... 23
RAID level 60 (striping over RAID 6 sets)................................................................................................................... 24
RAID level 10 (striped-mirrors)....................................................................................................................................25
RAID Level 1-Concatenated (Concatenated Mirror)....................................................................................................26
Comparing RAID Level And Concatenation Performance..................................................................................................27
No-RAID...........................................................................................................................................................................28
4 Quick Access To Storage Status And Tasks................................................................... 29
Storage Health................................................................................................................................................................. 29
3