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