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Changing PVID

Changing PVID

Changing PVID


For my reason I have changed the existing PVID from 0045401b5c79b298 to 0045401bfa67b912 on one of the disks as following:

chdev -l hdisk2 -a pv=clear
chdev -l hdisk2 -a pv=yes

Now it shows:
lqueryvg -p hdisk2 -Avt
0516-320 lqueryvg: Physical volume hdisk2 is not assigned to
        a volume group.
Max LVs:        256
PP Size:        24
Free PPs:       33
LV count:       2
PV count:       1
Total VGDAs:    2
Conc Allowed:   0
MAX PPs per PV  1016
MAX PVs:        32
Conc Autovaryo  0
Varied on Conc  0
Logical:        0045401b5c79b298.1                    slv2.0 1  
                0045401b5c79b298.2                    loglv01 1  
Physical:       0045401bfa67b912                2   0  
VGid:           0045401b5c79b298
Total PPs:      542
LTG size:       128
HOT SPARE:      0
AUTO SYNC:      0
PSNFSTPP:       4352

Clearly VGID and LVID's are different from the hdisk PVID.
I'm now unable to import the disk :

importvg -y svg2 hdisk2
0516-304 getlvodm: Unable to find device id 0045401bfa67b912 in the Device
        Configuration Database.
0516-022 : Illegal parameter or structure value.
0516-780 importvg: Unable to import volume group from hdisk2.

What is the way to now sync the VGID and LVID on the disk with the PVID ?

"Long live king Moshiach !"

RE: Changing PVID

Try to recreate the vg.

And why did you clear the pvid?

RE: Changing PVID



RE: Changing PVID


I had to clear the PVID since I had 2 identical PVIDs on 2 different disks (RAID sets) after some crash.
Recreatevg is no good - I need to fix the issue with AIX 4.3.3,where it does not exist.

"Long live king Moshiach !"

RE: Changing PVID

screwloose ,
Did not manage to find a way to recreate the existing VG (just change the VG name and the PVID) without (!) changing the LV's names.

Any idea ?

"Long live king Moshiach !"

RE: Changing PVID


But in my case I could not use the old PVID (it was used by another disk) - so I HAD to recreate the PVID.
But then still I'm left with a problem of recreating the VG so that I can import it allright,including updating the LV's info on the disk.
"recreatevg -y svg2 hdisk2" did not work well for me - all the LV's got names changed.

"Long live king Moshiach !"

RE: Changing PVID

Still seaking the answer:

Once I have changed the disk's PVID (chdev) - how can I bring my VG+LV's back to the state when they will import allright ?

"Long live king Moshiach !"

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