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8.13.3.1
ESL9326D Enterprise Library Robotic and Tape Drive
Required Firmware .........................................
8–75
8.13.3.2
Library Electronics and Tape Drive SCSI IDs .......... 8–75
8.13.3.3
ESL9326D Enterprise Library Internal Cabling ....... 8–75
8.13.3.4
Connecting the ESL9326D Enterprise Library to the
Shared SCSI Bus ............................................
8–77
9 Configurations Using External Termination or Radial Connections
to Non-UltraSCSI Devices
9.1
Using SCSI Bus Signal Converters ................................ 9–2
9.1.1
Types of SCSI Bus Signal Converters ......................... 9–2
9.1.2
Using the SCSI Bus Signal Converters ....................... 9–3
9.1.2.1
DWZZA and DWZZB Signal Converter Termination .. 9–3
9.1.2.2
DS-BA35X-DA Termination ............................... 9–4
9.2
Terminating the Shared SCSI Bus ................................. 9–5
9.3
Overview of Disk Storage Shelves .................................. 9–8
9.3.1
BA350 Storage Shelf .............................................
9–9
9.3.2
BA356 Storage Shelf .............................................
9–10
9.3.2.1
Non-UltraSCSI BA356 Storage Shelf .................... 9–10
9.3.2.2
UltraSCSI BA356 Storage Shelf .......................... 9–13
9.4
Preparing the Storage for Configurations Using External
Termination ............................................................
9–14
9.4.1
Preparing BA350, BA356, and UltraSCSI BA356 Storage
Shelves for an Externally Terminated TruCluster Server
Configuration .....................................................
9–15
9.4.1.1
Preparing a BA350 Storage Shelf for Shared SCSI
Usage .......................................................... 9–15
9.4.1.2
Preparing a BA356 Storage Shelf for Shared SCSI
Usage .......................................................... 9–16
9.4.1.3
Preparing an UltraSCSI BA356 Storage Shelf for a
TruCluster Configuration .................................. 9–17
9.4.2
Connecting Storage Shelves Together ........................ 9–17
9.4.2.1
Connecting a BA350 and a BA356 for Shared SCSI
Bus Usage .................................................... 9–18
9.4.2.2
Connecting Two BA356s for Shared SCSI Bus Usage . 9–20
9.4.2.3
Connecting Two UltraSCSI BA356s for Shared SCSI
Bus Usage .................................................... 9–22
9.4.3
Cabling a Non-UltraSCSI RAID Array Controller to an
Externally Terminated Shared SCSI Bus .................... 9–24
9.4.3.1
Cabling an HSZ40 or HSZ50 in a Cluster Using
External Termination ....................................... 9–25
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