3-2
Cabling and Configuration
Configuration Rules
WARNING: These rules must be observed prior to configuring the
RAIDStation7 Ultra160 SCSI Storage Array.
When Configuring a Single Shelf
1.
A single shelf must be set to “First” shelf (see page 3-3).
2.
A single shelf may be either “Single Host” or “Dual Host” (see page 3-3).
3.
The VEM switch must be set to “Single VEM”.
When Configuring Two Shelves on One SCSI Bus
1.
One shelf must be set to “First”, and the second shelf must be set to “Sec-
ond” (see page 3-3).
2.
Both shelves can be single host or dual host, but they must both be the same
(see page 3-3).
3.
Both VEM switches must be set to Dual VEM (see page 3-4).
4.
When Single Host is used, the disk drive bay nearest the power supply on
the “Second” shelf must be left empty.
5.
When Dual Host is used the two disk drive bays nearest the power supply on
the “Second” shelf must be left empty.
