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3. If there are bad blocks in the defect MAP, record the information presented
4. Use you drive as you would normally.
5. When the drive is no longer needed and is to be erased, run the same version
6. Compare the bad blocks which were recorded for the drive in step 3 with
7. If the bad block list is the same, continue running the service aid to overwrite
This task can be run directly from the AIX command line. See the command
syntax: diag -c -d deviceName -T "format [-s* fmtcert | erase -a {read |
write}] [-F]*
Flag
fmtcert Formats and certifies the disk.
erase
*
-F
Note: The Erase Disk option in command line mode uses default values. To
v Certify Hardfile attached to a PCI SCSI RAID Adapter
This selection is used to certify physical disks attached to a PCI SCSI RAID adapter.
Certify reads the entire disk and checks for recovered errors, unrecovered errors,
and reassigned errors. If these errors exceed the threshold values, the user is
prompted to replace the physical disk.
This task can be run directly from the AIX command line. See the following command
syntax: diag -c -d RAIDadapterName -T "certify {-l chID | -A}"
Flag
-c
-d
-T
-I
-A
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User's Guide
and ensure that this information is kept with the drive. This data is used later
when the drive is to be overwritten.
of the Erase Disk selection which was used in step 2.
Note: Using the same version of the service aid is only critical if any bad
blocks were found in step 3.
those that now appear in the grown defect MAP.
Note: If there are differences between the saved data and the newly obtained
data, then all sectors on this drive cannot be overwritten. The new bad
blocks are not overwritten.
the disk with the chosen pattern(s).
Description
Overwrites the data on the disk.
Available in no-console mode only.
Force the disk erasure even if all blocks cannot be erased due to errors
accessing the grown defect map.
selectively read or write, use the diag command in console mode.
Description
No console mode
Specifies the RAID adapter to which the disk is attached
Specifies the certify task and its parameters
Specifies physical Disk channel/ID (example: -l 27)
All disks
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