Technical data

9.1.4.2
Setting the KZPBA-CB SCSI ID .... ..... ................. 9–16
9.1.4.3
Setting KZPSA-BB SCSI Bus ID, Bus Speed, and
Termination Power . .. ... .... ................................
9–17
9.1.4.4
KZPSA-BB and KZPBA-CB Termination Resistors .... 9–18
9.1.4.5
Updating the KZPSA-BB Adapter Firmware . .... ..... . 9–18
10 Configurations Using External Termination or Radial Connections
to Non-UltraSCSI Devices
10.1
Using SCSI Bus Signal Converters ................................ 10–2
10.1.1
Types of SCSI Bus Signal Converters ... ... .. ................. 10–2
10.1.2
Using the SCSI Bus Signal Converters ... .... ................ 10–3
10.1.2.1
DWZZA and DWZZB Signal Converter Termination .. 10–3
10.1.2.2
DS-BA35X-DA Termination .. ............................. 10–4
10.2
Terminating the Shared SCSI Bus ................................. 10–5
10.3
Overview of Disk Storage Shelves . . ... ............................. 10–8
10.3.1
BA350 Storage Shelf .............................................
10–9
10.3.2
BA356 Storage Shelf .............................................
10–10
10.3.2.1
Non-UltraSCSI BA356 Storage Shelf .... ................ 10–10
10.3.2.2
UltraSCSI BA356 Storage Shelf ... .... ................... 10–13
10.4
Preparing the Storage for Configurations Using External
Termination ............................................................
10–14
10.4.1
Preparing BA350, BA356, and UltraSCSI BA356 Storage
Shelves for an Externally Terminated TruCluster Server
Configuration . . ... ................................................
10–15
10.4.1.1
Preparing a BA350 Storage Shelf for Shared SCSI
Usage .......................................................... 10–15
10.4.1.2
Preparing a BA356 Storage Shelf for Shared SCSI
Usage .......................................................... 10–16
10.4.1.3
Preparing an UltraSCSI BA356 Storage Shelf for a
TruCluster Configuration .... .............................. 10–17
10.4.2
Cabling a Single Storage Shelf ... .............................. 10–17
10.4.2.1
Cabling a Single BA350 Storage Shelf ................... 10–18
10.4.2.2
Cabling a Single BA356 Storage Shelf ................... 10–18
10.4.2.3
Cabling a Single UltraSCSI BA356 Storage Shelf . .... 10–18
10.4.3
Connecting Storage Shelves Together .... .... ................ 10–18
10.4.3.1
Connecting a BA350 and a BA356 for Shared SCSI
Bus Usage . ..... .............................................. 10–19
10.4.3.2
Connecting Two BA356s for Shared SCSI Bus Usage . 10–21
10.4.3.3
Connecting Two UltraSCSI BA356s for Shared SCSI
Bus Usage . ..... .............................................. 10–23
Contents xi