Compaq TruCluster Server AA-RHGWB-TE Manual page 4

2.6 RAID Array Controller Restrictions . . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
2.7 SCSI Signal Converters . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
2.8 DS-DWZZH-03 and DS-DWZZH-05 UltraSCSI Hubs . . .. . .. . .. .
2.9 SCSI Cables . . .. . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
2.10 SCSI Terminators and Trilink Connectors . . .. . .. . .. . . .. . .. . .. . .. .
3 Shared SCSI Bus Requirements and Configurations Using
UltraSCSI Hardware
3.1 Shared SCSI Bus Configuration Requirements . . .. . . .. . .. . .. . .. .
3.2 SCSI Bus Performance . . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.2.1 SCSI Bus Versus SCSI Bus Segments . . .. . .. . .. . . .. . .. . .. . .. .
3.2.2 Transmission Methods . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.2.3 Data Path . . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.2.4 Bus Speed . . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.3 SCSI Bus Device Identification Numbers . . .. . .. . .. . . .. . .. . .. . .. .
3.4 SCSI Bus Length .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.5 Terminating the Shared SCSI Bus when Using UltraSCSI
Hubs . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.6 UltraSCSI Hubs . .. . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.6.1 Using a DWZZH UltraSCSI Hub in a Cluster
Configuration . . .. . .. . .. . . .. . .. . .. . .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.6.1.1 DS-DWZZH-03 Description .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.6.1.2 DS-DWZZH-05 Description .. . .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.6.1.2.1
3.6.1.2.2
3.6.1.2.3
3.6.1.2.4
3.6.1.2.5
3.6.1.3
Installing the DS-DWZZH-05 UltraSCSI Hub . .. . .. . .. .
3.7 Preparing the UltraSCSI Storage Configuration .. . . .. . .. . .. . .. .
3.7.1 Configuring Radially Connected TruCluster Server
Clusters with UltraSCSI Hardware . . .. . .. . .. . .. . . .. . .. . .. . .. .
3.7.1.1 Preparing an HSZ70 or HSZ80 for a Shared SCSI Bus
Using Transparent Failover Mode . . .. . .. . .. . . .. . .. . .. . .. .
3.7.1.2 Preparing a Dual-Redundant HSZ70 or HSZ80 for a
Shared SCSI Bus Using Multiple-Bus Failover . . .. . .. .
4 TruCluster Server System Configuration Using UltraSCSI
Hardware
4.1 Planning Your TruCluster Server Hardware Configuration .. .
4.2 Obtaining the Firmware Release Notes . . .. . .. . .. . .. . . .. . .. . .. . .. .
iv Contents
DS-DWZZH-05 Configuration Guidelines . .. . .. . .. .
DS-DWZZH-05 Fair Arbitration . . .. . .. . . .. . .. . .. . .. .
DS-DWZZH-05 Address Configurations .. . .. . .. . .. .
SCSI Bus Termination Power .. . .. . .. . .. . . .. . .. . .. . .. .
DS-DWZZH-05 Indicators .. . . .. . .. . .. . .. . . .. . .. . .. . .. .
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