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3-5
Cabling and Configuration
SCSI ID Selection
This section describes the SCSI ID mappings used in the RAIDStation7 Ultra160
SCSI Storage Array. The SCSI ID mapping and the System Configuration ID
mapping are detailed.
SCSI Storage Array. The SCSI ID mapping and the System Configuration ID
mapping are detailed.
SCSI ID Mapping
The SCSI ID’s are set automatically via the combination of configuration switch
settings.
settings.
•
The First/Second shelf switch can be “F” or “S”, (First or Second).
•
The Single/Dual host switch can be “S” or “D”, (Single or Dual).
•
The Dual VEM Enable/Disable switch can be either enabled or disabled but
has no effect on SCSI ID mapping.
has no effect on SCSI ID mapping.
The table below shows the SCSI ID mapping for the various possible configura-
tions. Two letters are used to represent the configuration switch combinations.
The first letter represents the First/Second shelf switch, and the second letter rep-
resents the Single/Dual host switch.
tions. Two letters are used to represent the configuration switch combinations.
The first letter represents the First/Second shelf switch, and the second letter rep-
resents the Single/Dual host switch.
Table 3-1 SCSI ID Mapping
FS
FD
SS
SD
Drive 1
0
0
8
8
Drive 2
1
1
9
9
Drive 3
2
2
10
10
Drive 4
3
3
11
11
Drive 5
4
4
12
12
Drive 6
5
5
13
13
Drive 7
6
14
14
6
VEM
15
15
13
13