Scsi Mass Storage Disk Data Eraser (Test 75) - DEC MicroVAX 3100 Owner's Manual

6.7.2 SCSI Mass Storage Disk Data Eraser (TEST 75)
CAUTION:
The Disk Data Eraser erases all data on a specified hard disk.
When using this utility, take particular care not to erase the operating system
from your system disk, DKA300.
1. Press the halt button on the back of your system unit. The console
prompt
(»»
is displayed on your screen.
2. At the console prompt
(»»,
enter SHOW DEVICE and press
RETURN. See the section entitled Displaying Device Information for
an example of the TEST 50 screen display.
3. Enter the TEST 50 command and press RETURN.
4. Identify on the screen display the SCSI ID of the hard disk you wish to
erase.
5. Enter TEST 75 command and press RETURN.
The following example shows the erase disk utility formatting the hard
disk in an RZ55 expansion box. The hard disk is located on SCSI-B bus
address ID 1. The formatting procedure completes with a successful
result.
»>
TEST 75
I
Return
I
PV_SCS_FMT_CHN (O=SCSIA, I=SCSIB)? 1 . .
PV_SCS_FMT_ID (O,I,2,3,4,5,6,7)? 1 . .
PV_SCS_FMT_RUSURE (I/O)? 1
4t
PV SCS FMTING.......................... •
PV_SCS_FMT_Brepl=O
ct
PV_SCS_FMT_SUCC
6)
»>
.. Select the SCSI-A bus or SCSI-B bus.
.. Specify the SCSI ID.
4t
Provide verification of your action, 1
=
Yes; 0
=
No.
• Your hard disk is being erased. This operation takes approximately 20
minutes. Dots appear as the operation progresses.
ct
Upon completion, the number of bad blocks is listed (0
=
successful).
6)
Your hard disk has been successfully erased.
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