User's Manual

Contents
1 Overview....................................................................................................................15
What Is New In This Release?..............................................................................................................15
Before Installing Storage Management.............................................................................................. 16
Version Requirements For Controller Firmware And Drivers...................................................... 16
Supported Controllers...................................................................................................................16
Supported Enclosures....................................................................................................................17
Support For Disk And Volume Management................................................................................ 17
2 Getting Started........................................................................................................ 19
Launching Storage Management........................................................................................................19
On Systems Running Microsoft Windows.................................................................................... 19
On A System Running Linux And Any Remote System................................................................19
User Privileges.....................................................................................................................................20
Using The Graphical User Interface................................................................................................... 20
Storage Object.............................................................................................................................. 20
Health............................................................................................................................................ 20
Information/Configuration........................................................................................................... 20
Using The Storage Management Command-Line Interface............................................................. 21
Displaying The Online Help.................................................................................................................21
Common Storage Tasks......................................................................................................................21
3 Understanding RAID Concepts........................................................................... 23
What Is RAID?...................................................................................................................................... 23
Hardware And Software RAID.......................................................................................................23
RAID Concepts.............................................................................................................................. 24
RAID Levels....................................................................................................................................24
Organizing Data Storage For Availability And Performance..............................................................24
Choosing RAID Levels And Concatenation........................................................................................25
Concatenation...............................................................................................................................25
RAID Level 0 (Striping)...................................................................................................................26
RAID Level 1 (Mirroring).................................................................................................................27
RAID Level 5 (Striping With Distributed Parity).............................................................................28
RAID Level 6 (Striping With Additional Distributed Parity)........................................................... 28
RAID Level 50 (Striping Over RAID 5 Sets)....................................................................................29
RAID Level 60 (Striping Over RAID 6 Sets)................................................................................... 30
RAID Level 10 (Striped-Mirrors).....................................................................................................31
RAID Level 1-Concatenated (Concatenated Mirror)....................................................................32
Comparing RAID Level And Concatenation Performance................................................................33