Users Guide

Table Of Contents
Chapter 1: Overview..................................................................................................................... 11
What Is New In This Release............................................................................................................................................11
Before Installing Storage Management......................................................................................................................... 11
Version Requirements For Controller Firmware And Drivers............................................................................. 11
Supported Controllers................................................................................................................................................. 12
Support For Disk And Volume Management..........................................................................................................13
Chapter 2: Getting Started.......................................................................................................... 14
Launching Storage Management................................................................................................................................... 14
On Systems Running Microsoft Windows..............................................................................................................14
On A System Running Linux And Any Remote System.......................................................................................14
User Privileges.................................................................................................................................................................... 15
Using The Graphical User Interface.............................................................................................................................. 15
Storage Object..............................................................................................................................................................15
Health..............................................................................................................................................................................15
Information Or Configuration.................................................................................................................................... 15
Using The Storage Management Command-Line Interface.................................................................................... 15
Displaying The Online Help.............................................................................................................................................. 15
Common Storage Tasks................................................................................................................................................... 16
Chapter 3: Understanding RAID concepts.................................................................................... 17
RAID.......................................................................................................................................................................................17
Hardware and software RAID....................................................................................................................................17
RAID concepts...............................................................................................................................................................17
RAID Levels....................................................................................................................................................................18
Organizing Data Storage For Availability And Performance.................................................................................... 18
Choosing RAID Levels And Concatenation.................................................................................................................. 18
Concatenation...............................................................................................................................................................19
RAID level 0 - striping................................................................................................................................................. 19
RAID level 1 - mirroring...............................................................................................................................................20
RAID level 5 -striping with distributed parity........................................................................................................ 21
RAID level 6 - striping with additional distributed parity.................................................................................... 21
RAID level 50 - striping over RAID 5 sets..............................................................................................................22
RAID level 60 - striping over RAID 6 sets..............................................................................................................23
RAID level 10 - striped-mirrors................................................................................................................................. 24
RAID Level 1- Concatenated Mirror........................................................................................................................ 25
Comparing RAID Level And Concatenation Performance....................................................................................... 26
No-RAID...............................................................................................................................................................................27
Chapter 4: Quick Access To Storage Status And Tasks................................................................ 28
Storage Health................................................................................................................................................................... 28
Hot Spare Protection Policy........................................................................................................................................... 28
Storage Component Severity......................................................................................................................................... 28
Storage Properties And Current Activity.................................................................................................................... 29
Contents
Contents 3