Users Guide

ManualsBrandsDell ManualsActive System ManagerOpenManage Server Administrator Version 8.5

Contents

1 Overview........................................................................................................................ 13

What Is New In This Release............................................................................................................................................. 13

Before Installing Storage Management..............................................................................................................................13

Version Requirements For Controller Firmware And Drivers........................................................................................ 13

Supported Controllers................................................................................................................................................. 14

Supported Enclosures................................................................................................................................................. 15

Support For Disk And Volume Management................................................................................................................15

2 Getting Started..............................................................................................................16

Launching Storage Management...................................................................................................................................... 16

On Systems Running Microsoft Windows................................................................................................................... 16

On A System Running Linux And Any Remote System................................................................................................16

User Privileges.................................................................................................................................................................. 17

Using The Graphical User Interface...................................................................................................................................17

Storage Object............................................................................................................................................................ 17

Health......................................................................................................................................................................... 17

Information/Conguration...........................................................................................................................................17

Using The Storage Management Command-Line Interface............................................................................................... 17

Displaying The Online Help................................................................................................................................................18

Common Storage Tasks.................................................................................................................................................... 18

3 Understanding RAID concepts....................................................................................... 19

What is RAID?...................................................................................................................................................................19

Hardware and software RAID......................................................................................................................................19

RAID concepts............................................................................................................................................................ 19

RAID Levels................................................................................................................................................................ 20

Organizing Data Storage For Availability And Performance...............................................................................................20

Choosing RAID Levels And Concatenation....................................................................................................................... 20

Concatenation.............................................................................................................................................................21

RAID level 0 (striping).................................................................................................................................................22

RAID level 1 (mirroring)...............................................................................................................................................22

RAID level 5 (striping with distributed parity)............................................................................................................. 23

RAID level 6 (striping with additional distributed parity)..............................................................................................24

RAID level 50 (striping over RAID 5 sets)................................................................................................................... 24

RAID level 60 (striping over RAID 6 sets)................................................................................................................... 25

RAID level 10 (striped-mirrors)....................................................................................................................................26

RAID Level 1-Concatenated (Concatenated Mirror)....................................................................................................27

Comparing RAID Level And Concatenation Performance................................................................................................. 28

No-RAID...........................................................................................................................................................................29

4 Quick Access To Storage Status And Tasks................................................................... 30

Storage Health................................................................................................................................................................. 30