Technical data

5–20 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide
Assigning a Unit Number to a Single (JBOD) Disk
To assign a unit number to a single (JBOD) disk, use the following syntax:
ADD UNIT UNIT-NUMBER DISK-NAME
For example:
To assign unit D4 to DISK20300, use the following command:
ADD UNIT D4 DISK20300
Assigning a Unit Number to a Partition
To assign a unit number to a partition, use the following syntax:
ADD UNIT UNIT-NUMBER STORAGESET-NAME PARTITION=PARTITION-NUMBER
For example:
To assign unit D100 to partition 3 of mirrorset mirr1, use the following command:
ADD UNIT D100 MIRR1 PARTITION=3
Preferring Units
In multiple-bus failover mode, individual units can be preferred to a specific controller.
For example, to prefer unit D102 to “this controller,” use the following command:
SET D102 PREFERRED_PATH=THIS
RESTART commands must be issued to both controllers for this command to take effect:
RESTART OTHER_CONTROLLER
RESTART THIS_CONTROLLER
NOTE: The controllers need to restart together for the preferred settings to take effect. The
RESTART this_controller command must be entered immediately after the RESTART
other_controller command.