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Table of Contents
Preface................................................................................................................... i
Chapter 1 Overview
Features ................................................................................................................ 2
Understanding RAID ............................................................................................. 3
NRAID .............................................................................................................. 3
Just a Bunch Of Disks ...................................................................................... 3
RAID Levels ..................................................................................................... 3
Hot Spare Disks ............................................................................................... 6
RAID Combinations .......................................................................................... 6
Summary of RAID Levels ................................................................................. 7
System Requirements ........................................................................................... 8
Operating Environment .................................................................................... 8
VT100 Terminal Settings .................................................................................. 8
Host Interface ................................................................................................... 9
Hard Disks ........................................................................................................ 9
Chapter 2 Basic Configuration
Unpacking ........................................................................................................... 11
Components ........................................................................................................ 12
Closed Front Panel ......................................................................................... 12
Open Front Panel ........................................................................................... 13
Disk Tray ........................................................................................................ 14
ERQ12-U4R2 Rear View ................................................................................ 15
ERQ12-F2R2 Rear View ................................................................................ 16
Installing Disks .................................................................................................... 17
Making Connections ........................................................................................... 19
Connecting the Host Interface ........................................................................ 19
Connecting a network ..................................................................................... 21
Connecting and Turning on the Power ........................................................... 22
Mounting in a Rack ............................................................................................. 23
Installing the Rail Extenders ........................................................................... 24
Chapter 3 Maintenance
Replacing a Disk ................................................................................................. 25
Replacing a Power Supply .................................................................................. 26
Upgrading Memory ............................................................................................. 28
Appendix
Hardware Specifications ..................................................................................... 31
