Technical data

Hardware Requirements and Restrictions

This chapter describes the hardware requirements and restrictions for

a TruCluster Server cluster. It includes lists of supported cables, trilink

connectors, Y cables, and terminators.

The chapter discusses the following topics:

• Requirements for member systems in a TruCluster Server cluster

(Section 2.1)

• Memory Channel requirements (Section 2.2)

• Host bus adapter restrictions (including KGPSA, KZPSA-BB, and

KZPBA-CB) (Section 2.3)

• Disk device restrictions (Section 2.4)

• RAID array controller restrictions (Section 2.5)

• SCSI signal converters (Section 2.6)

• Supported DWZZH UltraSCSI hubs (Section 2.7)

• SCSI cables (Section 2.8)

• SCSI terminators and trilink connectors (Section 2.9)

For the latest information about supported hardware, see the

AlphaServer options list for your system at the following URL:

http://www.compaq.com/alphaserver/products/options.html

2.1 TruCluster Server Member System Requirements

The requirements for member systems in a TruCluster Server cluster are as

follows:

• Each supported member system requires a minimum firmware revision.

See the Release Notes Overview supplied with the Alpha™ Systems

Firmware Update CD-ROM.

You can also obtain firmware information from the Web at the following

URL: http://www.compaq.com. Select software & drivers, in the

support column, then select AlphaServer, in the servers column.

Select the appropriate system.

• Alpha System Reference Manual (SRM) console firmware Version 5.7 or

later must be installed on any cluster member that boots from a disk

Hardware Requirements and Restrictions 2–1