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Saturday, September 6, 2008

Procedure of replacing rootvg failed hdisk

=================================
1) unmirrorvg rootvg hdisk1 ( eg for hdisk1 is failed)

2) reducevg rootvg hdisk1 (if you receive error)
nlxenc06:a207081> reducevg rootvg hdisk1
0516-016 ldeletepv: Cannot delete physical volume with allocated
partitions. Use either migratepv to move the partitions or
reducevg with the -d option to delete the partitions.
0516-884 reducevg: Unable to remove physical volume hdisk1.

3) after getting error , try for reducevg -d rootvg hdisk1
even if you receive error

0516-914 rmlv: Warning, all data belonging to logical volume
hd7x on physical volume hdisk1 will be destroyed.
rmlv: Do you wish to continue? y(es) n(o)? y
0516-1252 rmlv: Warning, cannot remove logical volume hd7x.
This logical volume is also used as the secondary dump device.
Reset the dump device and retry the command.
0516-884 reducevg: Unable to remove physical volume hdisk1.

4) try rmlv hd7x (if you get still error)
nlxenc06:a207081> lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION

hdisk0 active 542 17 00..00..00..00..17
hdisk1 active 542 512 93..108..108..108..95

problem was here for hd7x

5) create a file through touch command
touch /dev/sysdumpnull

6) sysdumpdev -Ps /dev/sysdumpnull
(changing hd7x to sysdumpnull by passing above command)

7) rmlv hd7x

8) attach the new disk. cfgmgr -v.

9) extendvg rootvg hdisk1

10) mirrorvg rootvg hdisk1

11) varryonvg rootvg

12) bootlist -m normal -o

13) bosboot -ad /dev/hdisk0

14) bosboot -ad /dev/hdisk1

15) bootlist -m normal hdisk0 hdisk1

16) create a lv hd7x ( sysdump) and assign it to hdisk1 (eg was 30pps)

17) sysdumpdev -l

18) sysdumpdev -Ps /dev/hd7x

19) sysdumpdev -l

8 comments:

Vineet said...

Thanks man... this helped me... made life easy :D :D :D keep posting :)

polar said...

what if the error is : This logical volume is also used as the primary dump device. Reset the dump device and retry the command.

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