Quantum FC420, User Manual

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Prism FC420 Bridge Option User’s Guide
Document 6473031-04, Ver. 4, Rel. 0
September 2003
10 Setting SCSI IDs
DLT8000 Drive Cabling
0
A single FC420 bridge installed in an ATL M2500 library with DLT8000 tape
drives can manage up to four drives per SCSI port. Figure 7 shows a typical
cabling configuration, with the SCSI controller and three drives on one SCSI
bus, and three drives on the other SCSI bus.
Figure 7 DLT8000 Drive
Cabling
Setting SCSI IDs
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Use the information in table 1 to set the SCSI device addressing (SCSI IDs) for
the library.
Table 1 SCSI ID Settings
Note:
To increase the bandwidth available to each drive, install
additional FC420 bridges and use the cabling configuration shown
in figure 4 or in figure 5 .
Device SCSI ID Device SCSI ID
SCSI Controller 0 Drive 4 4
Drive 1 1 Drive 5 15
Drive 2 2 Drive 6 14
Drive 3 3
Drive 2 Drive 1
Drive 4 Drive 3
Drive 6 Drive 5
Slot for FC420
Slot for FC420
FC420
SCSI controller
SCSI
SCSI
SCSI
SCSI
SCSI
SCSI
SCSI
SAN
Fibre
M2500
Auxiliary
electronics
module
Primary
electronics
module
Terminator