SCF Reference Manual for the Storage Subsystem (G06.28+, H06.05+, J06.03+)

1. Move the primary disk process of another disk in the same topology branch to processor 3:
-> PRIMARY $D0201, 3
2. Display the changed status:
-> STATUS DISK $D0203-*
STORAGE - Status DISK \WAGER.$D0203-*
LDev Path Status State Substate Primary Backup
PID PID
105 PRIMARY INACTIVE STARTED 2,22 3,16
105 BACKUP ACTIVE STARTED 2,22 3,16
105 MIRROR INACTIVE STARTED 2,22 3,16
105 MIRROR-BACKUP ACTIVE STARTED 2,22 3,16
$D0203 changes paths to access the disk in because:
1. The disk process executing in processor 2 attempts to access $D0203-P.
2. The path to $D0203-P on the X fabric leads through SAC 2. This SAC is now owned by
processor 3. Because the disk process is executing in processor 2, the disk access fails.
3. The disk process changes paths and tries to access $D0203-B.
The path to $D0203-B on the Y fabric leads through SAC 2. Because this SAC is still owned
by processor 2, the disk access succeeds.
Disk Load Balancing on G06.10 and Earlier RVUs 129