Users Guide
Contents
1 Overview...............................................................................................................14
What Is New In This Release............................................................................................................... 14
Before Installing Storage Management.............................................................................................. 15
Version Requirements For Controller Firmware And Drivers.......................................................15
Supported Controllers................................................................................................................... 15
Supported Enclosures................................................................................................................... 16
Support For Disk And Volume Management................................................................................16
2 Getting Started.................................................................................................... 17
Launching Storage Management........................................................................................................17
On Systems Running Microsoft Windows.................................................................................... 17
On A System Running Linux And Any Remote System................................................................18
User Privileges..................................................................................................................................... 18
Using The Graphical User Interface....................................................................................................18
Storage Object...............................................................................................................................18
Health.............................................................................................................................................19
Information/Configuration............................................................................................................19
Using The Storage Management Command-Line Interface............................................................. 19
Displaying The Online Help................................................................................................................ 19
Common Storage Tasks......................................................................................................................19
3 Understanding RAID concepts......................................................................... 21
What is RAID?.......................................................................................................................................21
Hardware and software RAID........................................................................................................21
RAID concepts...............................................................................................................................22
RAID Levels.................................................................................................................................... 22
Organizing Data Storage For Availability And Performance..............................................................22
Choosing RAID Levels And Concatenation........................................................................................23
Concatenation...............................................................................................................................23
RAID level 0 (striping)....................................................................................................................24
RAID level 1 (mirroring)..................................................................................................................25
RAID level 5 (striping with distributed parity)............................................................................... 26
RAID level 6 (striping with additional distributed parity).............................................................. 27
RAID level 50 (striping over RAID 5 sets)......................................................................................28
RAID level 60 (striping over RAID 6 sets)......................................................................................29
RAID level 10 (striped-mirrors)..................................................................................................... 30
RAID Level 1-Concatenated (Concatenated Mirror).................................................................... 31
Comparing RAID Level And Concatenation Performance................................................................32
3