Users Guide

Table Of Contents
Chapter 1: Overview.....................................................................................................................12
What is new in this release.............................................................................................................................................. 12
OMSA Customer Survey.................................................................................................................................................. 12
Before Installing Storage Management........................................................................................................................ 12
Version Requirements For Controller Firmware And Drivers.............................................................................12
Supported Controllers................................................................................................................................................. 13
Supported operating systems................................................................................................................................... 14
Support For Disk And Volume Management..........................................................................................................14
Chapter 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 Or Configuration.................................................................................................................................... 16
Using The Storage Management Command-Line Interface.................................................................................... 16
Displaying The Online Help.............................................................................................................................................. 16
Common Storage Tasks....................................................................................................................................................17
Chapter 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.................................................................................................................................................20
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 Mirror........................................................................................................................ 26
Comparing RAID Level And Concatenation Performance....................................................................................... 27
No-RAID...............................................................................................................................................................................28
Chapter 4: Quick Access To Storage Status And Tasks................................................................ 29
Storage Health................................................................................................................................................................... 29
Hot Spare Protection Policy........................................................................................................................................... 29
Contents
Contents 3