Hd5 repair, one of the faults of AIX system
AIX System Repair hd5
System environment:
Operating System: AIX5308
Fault phenomenon:
HD5 was deleted by mistake, error in cfgmgr execution!
1. View rootvg information
# lsvg -l rootvg
rootvg:LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINThd6 paging 4 4 1 open/syncd N/Ahd8 jfs2log 1 1 1 open/syncd N/Ahd4 jfs2 40 40 1 open/syncd /hd2 jfs2 16 16 1 open/syncd /usrhd9var jfs2 16 16 1 open/syncd /varhd3 jfs2 8 8 1 open/syncd /tmphd1 jfs2 120 120 1 open/syncd /homehd10opt jfs2 1 1 1 open/syncd /optfwdump jfs2 1 1 1 open/syncd /var/adm/ras/platformfslv06 jfs 120 120 1 closed/syncd N/A no hd5 lv
2. Error in executing cfgmgr
# cfgmgr -v
......
Calling savebase
Return code = 1
*** no stdout ****
*** no stderr ****
cfgmgr: 0514-609 Unable to save the base customized information
on /dev/ipldevice.
Fix startup lv:
# bosboot -ad /dev/ipldevice
0301-168 bosboot: The current boot logical volume, /dev/hd5,
does not exist on /dev/hdisk5.
Synchronous LV:
# synclvodm -P -v rootvg
synclvodm: Physical volume data updated.synclvodm: Logical volume hd6 updated.synclvodm: Logical volume hd8 updated.synclvodm: Logical volume hd4 updated.synclvodm: Logical volume hd2 updated.synclvodm: Logical volume hd9var updated.synclvodm: Logical volume hd3 updated.synclvodm: Logical volume hd1 updated.synclvodm: Logical volume hd10opt updated.synclvodm: Logical volume fwdump updated.synclvodm: Logical volume fslv06 updated.
# lsvg -l rootvg
rootvg:LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINThd6 paging 4 4 1 open/syncd N/Ahd8 jfs2log 1 1 1 open/syncd N/Ahd4 jfs2 40 40 1 open/syncd /hd2 jfs2 16 16 1 open/syncd /usrhd9var jfs2 16 16 1 open/syncd /varhd3 jfs2 8 8 1 open/syncd /tmphd1 jfs2 120 120 1 open/syncd /homehd10opt jfs2 1 1 1 open/syncd /optfwdump jfs2 1 1 1 open/syncd /var/adm/ras/platformfslv06 jfs 120 120 1 closed/syncd N/A Missing hd5 lv
Re-create HD5, error:
# mklv -y hd5 -t boot -a e rootvg 1
0516-360 getlvname: The device name is already used; choose a
different name.
0516-822 mklv: Unable to create logical volume.
0516-1734 mklv: Warning, savebase failed. Please manually run 'savebase' before rebooting.
# synclvodm -P -v rootvg
synclvodm: Physical volume data updated.synclvodm: Logical volume hd6 updated.synclvodm: Logical volume hd8 updated.synclvodm: Logical volume hd4 updated.synclvodm: Logical volume hd2 updated.synclvodm: Logical volume hd9var updated.synclvodm: Logical volume hd3 updated.synclvodm: Logical volume hd1 updated.synclvodm: Logical volume hd10opt updated.synclvodm: Logical volume fwdump updated.synclvodm: Logical volume fslv06 updated.
3. Solution:
Remove HD5 via ODM:
# odmdelete -q name=hd5 -o CuDv
1 objects deleted
# odmdelete -q name=hd5 -o CuAt
6 objects deleted
HD5:
# mklv -y hd5 -t boot -a e rootvg 1
hd5
Synchronous LV:
# synclvodm -P -v rootvg
synclvodm: Physical volume data updated.synclvodm: Logical volume hd6 updated.synclvodm: Logical volume hd8 updated.synclvodm: Logical volume hd4 updated.synclvodm: Logical volume hd2 updated.synclvodm: Logical volume hd9var updated.synclvodm: Logical volume hd3 updated.synclvodm: Logical volume hd1 updated.synclvodm: Logical volume hd10opt updated.synclvodm: Logical volume fwdump updated.synclvodm: Logical volume fslv06 updated.synclvodm: Logical volume hd5 updated.
# lsvg -l rootvg
rootvg:LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINThd6 paging 4 4 1 open/syncd N/Ahd8 jfs2log 1 1 1 open/syncd N/Ahd4 jfs2 40 40 1 open/syncd /hd2 jfs2 16 16 1 open/syncd /usrhd9var jfs2 16 16 1 open/syncd /varhd3 jfs2 8 8 1 open/syncd /tmphd1 jfs2 120 120 1 open/syncd /homehd10opt jfs2 1 1 1 open/syncd /optfwdump jfs2 1 1 1 open/syncd /var/adm/ras/platformfslv06 jfs 120 120 1 closed/syncd N/Ahd5 boot 1 1 1 closed/syncd N/Ahd5 Repair successful!
Refix startup lv:
# bosboot -ad /dev/ipldevice
cfgmgr Normal:
# cfgmgr -v...... Calling savebaseReturn code = 0*** no stdout ******* no stderr ****Configuration time: 1 seconds
