2-9
Setting Up Your Storage Subsystem
Note:
In these logical view diagrams, the numbers 1 to 12
represent disk drive slots and are used to indicate which
drives are connected to which channel. They should not be
confused with the disk drive SCSI IDs. Those IDs are pre-
determined by the SCSI disk I/O card switch settings.
Figure 2-6 Logical Diagram – Drive Connectivity, Single-Bus Mode
In dual-bus mode, the channel 1 connector on the SAF-TE disk I/O
card provides access to drives 7 through 12 and the channel 2
connector provides access to drives 1 through 6.
shows
the drive connectivity of the Dual-Bus Mode.
Figure 2-7 Logical Diagram – Drive Connectivity, Dual-Bus Mode
To set up a basic 12-disk drive configuration:
1
Power
OFF
the storage subsystem. See
2
Remove the SAF-TE disk I/O card installed in the enclosure.
See
for detailed instructions.
Single Bus
Module
Drives 7 - 12
SAF-TE
SEP
SEP
CH 1
CH
2
Drives 1 - 6
Termination
Termination
Drives 7 - 12
Termination
SAF-TE
SEP
SEP
CH
1
CH
2
Drives 1 - 6
Termination
Termination
Termination
DuraStor IUG - Online.book Page 9 Friday, July 19, 2002 3:06 PM