Nortel DMS-10 Series Installation, Operation And Maintenance Manual page 649

Procedure 6-49
Install Replacement Disk Drive (NT6M72GA)
Step Description
197
Make the disk system redundant by changing the ONLY disk mode to PRIME disk mode.
Enter (at the terminal):
>DISK MODE xP (cr)
where x = currently active disk
i.e., if DISK MODE is currently AO then type AP
if DISK MODE is currently BO then type BP.
Proper responses:
BACKUP STARTED
BACKUP COMPLETE
DISK MODE AP (or) DISK MODE BP
This may take minutes to hours depending on the disk size and usage. Use the DISK
USAGE command to check disk usage.
If the response is DISK NOT FORMATTED, go to step 8. Otherwise, go to step 7.
198
When all maintenance activities are complete, be sure to replace the front panel of the
BMC. Carefully line up the four captive screws of the front panel with their mounting
holes. Tighten the captive screws; but do not bear down.
The Disk Drive Replacement Procedure is now complete.
199
Disk Format
This command is to be used when the BMC's response to the DISK MODE xx command
is DISK NOT FORMATTED.
BMC II BISYNC Operation, Administration, and Maintenance Guide BMCB001 and up
Section 060-INDP-610 Maintenance Procedures Guide 6-211
(Sheet 2 of 3)