Nortel North American DMS-100 Instruction Manual page 131

1-116 Trouble locating and clearing procedures (continued)
Replacing a 14-in. disk drive unit
12
13
Process may take up to 3 minutes.
Failed
Drive is disconnected
Site
HOST
HOST
14
15
16
297-8021-544 Standard 14.02 May 2001
Determine if an alarm is under the IOD header of the alarm banner.
If the IOD header
displays a minor alarm
displays a major alarm
To test the disk drive controller, type
>TST
and press the Enter key.
Example of a MAP response:
Flr RPos Bay–id
01 A00 IOE 00
01 A00 IOE 00
From the MAP response in step 13, record the bay, shelf, and number of the
DDU that you will replace.
To manually busy the controller card, type
>BSY
and press the Enter key.
Note: Wait until the DDU spins down before you proceed to the next step.
When the DDU spins down, the Drive_state header on the MAP display will
show spun_down.
If the BSY command
passed
failed
To offline the disk drive, type
>OFFL
and press the Enter key.
(continued)
Do
step 13
step 19
Shf Description Slot
04 IOC 0 DDU
04 IOC 0 DDU
Do
step 16
step 81
EqPec
02 1X62
22 0X67