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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 ID Mapping

The SCSI ID’s are set automatically via the combination of configuration switch

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.

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.

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

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 50 51

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Adaptec RS Series Betriebsanweisung Seite 29