IBM ServeRAID, User Reference

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Chapter 1. Product information
This book provides the information needed to install and configure the following:
v IBM ServeRAID-4H Ultra160 SCSI controller
v
IBM ServeRAID-4Mx Ultra160 SCSI controller
v IBM ServeRAID-4Lx Ultra160 SCSI controller
v IBM ServeRAID-5i Ultra320 SCSI controller
Hereafter, these controllers are referred to as ServeRAID controllers. These
high-performance, redundant array of independent disk (RAID) controllers are
ideally suited for data-storage environments that require superior performance,
flexibility, and reliable data storage. (See “Controller features” for more information.)
You also can use the IBM ServeRAID Manager program with an IBM xSeries
™
server that contains an integrated SCSI controller with RAID capabilities. Hereafter,
these controllers are referred to as integrated RAID controllers.
Option package contents
In addition to this book, the ServeRAID option package contains:
v IBM ServeRAID Support CD
See “IBM ServeRAID Support CD” on page xiii for more detailed information.
v One of the following:
– IBM ServeRAID-4H Ultra160 SCSI controller
– IBM ServeRAID-4Mx Ultra160 SCSI controller
– IBM ServeRAID-4Lx Ultra160 SCSI controller
– IBM ServeRAID-5i Ultra320 SCSI controller
Attention: Do not open the static-protective package containing the controller
until you are instructed to do so.
Contact your place of purchase if any items are missing or damaged.
Controller features
The standard features of the ServeRAID controllers are as follows.
Feature ServeRAID-5i ServeRAID-4H ServeRAID-4Mx ServeRAID-4Lx
Arrays (max.) 8 8 8 8
Battery-backup cache Yes Yes Yes No
Cache memory 128 MB 128 MB 64 MB 32 MB
Hard disk drives (max.) 30 60 30 15
Logical drives (max.) 8 8 8 8
Microprocessor 100 MHz 266 MHz 100 MHz 100 MHz
SCSI channels 0 4 2 1
SCSI transfer speed (max.) 320 MB per sec. 160 MB per sec. 160 MB per sec. 160 MB per sec.
© Copyright IBM Corp. 2002
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