8.12.3.4 Connecting the ESL9326D Enterprise Library to the Shared SCSI Bus
TheESL9326D Enterprise Library has 5 meters of internal SCSI bus cabling
for each pair of tape drives. Because of the internal SCSI bus lengths, it
is not possible to use a trilink connector or Y cable to terminate the SCSI
bus external to the tape library as is done with other devices on the shared
SCSI bus. Each SCSI bus must be terminated at the end of the SCSI bus by
installing a terminator on theSCSI bulkhead SCSI connector. Therefore,
TruClusterServer configurations using theESL9326D Enterprise Library
must ensure that the tape library is on the end of the shared SCSI bus.
______________________ Note _______________________
We recommend that disk storage devices be placed on separate
shared SCSI buses.
Use 328215-001 (5-meter), 328215-002 (10-meter), 328215-003 (15-meter),
328215-004 (20-meter), or BN21K (BN21L) cables of the appropriate length
to connect the ESL9326D Enterprise Library to a shared SCSI bus. Do
not use a cable longer than 20 meters. Terminate each SCSI bus with
a 330563-001 (or H879-AA) HD-68 terminator. Connect the cables and
terminator on the SCSI bulkhead SCSI connectors as shown in Table 8–14
to form shared SCSI buses.
Table8–14: SharedSCSI Bus Cable and Terminator Connections for the
ESL9326D Enterprise Library
Tape Drives on Shared
SCSI Bus Connect SCSI Cable
to Connector: Install HD68 Terminator
on Connector:
0, 1, and library electronicsaQB
2, 3 CD
4, 5 EF
6, 7 GH
8, 9 IJ
10, 11 KL
12, 13 MN
14, 15 OP
aInstall.3-meter jumper cablepart number 330582-001between SCSI connectors Rand A toplace the
libraryelectronics on theSCSI bus with tapedrives 0 and1.
8–68 Configuring a Shared SCSI Bus for Tape Drive Use