This posts concentrated on Disk Replacement in AIX:
We conclude the disk has failed after looking at the disk state with the "errpt" diagnosis and the PVstate as "missing"
# errpt -N hdisk#
# lspv pvname
If the disk is a part of a mirrored volume group, follow the below steps:
1) # unmirrorvg vgname <failed_pv> : Command to unmirror the volume group from failed physical volume.
2) # reducevg -d- f vgname <failed_pv> : Command to remove the failed disk from the volume group.
3) # lscfg -vpl <failed_pv>: Make a note of the Physical Location of the failed Physical volume.
4) # rmdev -dl <failed_pv> : Remove the failed disk from the ODM.
5) #diag --> Task Manager --> Hot Plug Task--> Select SCSI and SCSI RAID Hot Plug Manager -->Select Replace/Remove a Disk attached to SCSI Hot Swap Enclosure-->Select the Device to be replaced and Press Enter.
We conclude the disk has failed after looking at the disk state with the "errpt" diagnosis and the PVstate as "missing"
# errpt -N hdisk#
# lspv pvname
If the disk is a part of a mirrored volume group, follow the below steps:
1) # unmirrorvg vgname <failed_pv> : Command to unmirror the volume group from failed physical volume.
2) # reducevg -d- f vgname <failed_pv> : Command to remove the failed disk from the volume group.
3) # lscfg -vpl <failed_pv>: Make a note of the Physical Location of the failed Physical volume.
4) # rmdev -dl <failed_pv> : Remove the failed disk from the ODM.
5) #diag --> Task Manager --> Hot Plug Task--> Select SCSI and SCSI RAID Hot Plug Manager -->Select Replace/Remove a Disk attached to SCSI Hot Swap Enclosure-->Select the Device to be replaced and Press Enter.
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