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03-21-2002 10:38 AM
03-21-2002 10:38 AM
vgdisplay error
Couldn't query volume group "/dev/vg00". Possible error in the volume group minor number; Please check and make sure the group minor number is unique.
I verified that the minor number of the group file is unique (0x000000) and also destroyed and recreated it with the mknod command just to play safe and rule out corruption. Any ideas or suggestions would be greatly appreciated. Please email to bonnie.ornitz@wellpoint.com.
Thanks in advance,
Bonnie
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03-21-2002 11:09 AM
03-21-2002 11:09 AM
Re: vgdisplay error
mv /etc/lvmtab /etc/lvmtab.sav
vgscan -v (to recreate lvmtab)
Since you have SG, you'll have to move the /dev/slvmvg as well.
First, try strings /etc/lvmtab to check names,
and take a look at Alex Glennie's suggestion in
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x907637f45ef7d4118fef0090279cd0f9,00.html
for SG-specific tips.
This is the most common cure for your error.
HTH
Jon
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03-21-2002 11:17 AM
03-21-2002 11:17 AM
Re: vgdisplay error
Please post the output of
#ll /dev/vg00
and # vgdisplay /dev/vg00
Thanks,
-pap
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03-21-2002 11:46 AM
03-21-2002 11:46 AM
Re: vgdisplay error
brw-r----- 1 root sys 64 0x00000d Dec 13 1998 controlm
crw-r----- 1 root sys 64 0x000000 Mar 21 07:43 group
brw-r----- 1 root sys 64 0x00000a Dec 9 17:45 lvcrash
brw-r----- 1 root sys 64 0x00000b Dec 9 17:45 lvdiamond
brw-r----- 1 root sys 64 0x00000e Dec 9 17:45 lvmfcobol
brw-r----- 1 root sys 64 0x00000f Dec 9 17:45 lvmfcobol2
brw-r----- 1 root sys 64 0x000007 Dec 9 17:45 lvopt
brw-r----- 1 root sys 64 0x000002 Jun 23 1998 lvpswap
brw-r----- 1 root sys 64 0x000003 Jun 23 1998 lvroot
brw-r----- 1 root sys 64 0x00000c Dec 13 1998 lvsas
brw-r----- 1 root sys 64 0x000001 Mar 21 01:18 lvstand
brw-r----- 1 root sys 64 0x000008 Jun 29 1998 lvswapa
brw-r----- 1 root sys 64 0x000009 Jun 29 1998 lvswapb
brw-r----- 1 root sys 64 0x000004 Dec 9 17:45 lvtmp
brw-r----- 1 root sys 64 0x000005 Dec 9 17:45 lvusr
brw-r----- 1 root sys 64 0x000006 Dec 9 17:45 lvvar
crw-r----- 1 root sys 64 0x00000d Nov 13 1998 rcontrolm
crw-r----- 1 root sys 64 0x00000a Jun 29 1998 rlvcrash
crw-r----- 1 root sys 64 0x00000b Mar 16 1999 rlvdiamond
crw-r----- 1 root sys 64 0x00000e Dec 11 2000 rlvmfcobol
crw-r----- 1 root sys 64 0x00000f Feb 18 2001 rlvmfcobol2
crw-r----- 1 root sys 64 0x000007 Jun 29 1998 rlvopt
crw-r----- 1 root sys 64 0x000002 Jun 23 1998 rlvpswap
crw-r----- 1 root sys 64 0x000003 Jun 23 1998 rlvroot
crw-r----- 1 root sys 64 0x00000c Oct 27 1998 rlvsas
crw-r----- 1 root sys 64 0x000001 Jun 23 1998 rlvstand
crw-r----- 1 root sys 64 0x000008 Jun 29 1998 rlvswapa
crw-r----- 1 root sys 64 0x000009 Jun 29 1998 rlvswapb
crw-r----- 1 root sys 64 0x000004 Jun 23 1998 rlvtmp
crw-r----- 1 root sys 64 0x000005 Jun 23 1998 rlvusr
crw-r----- 1 root sys 64 0x000006 Jun 23 1998 rlvvar
vgdisplay /dev/vg00 output:
vgdisplay: Couldn't query volume group "/dev/vg00".
Possible error in the Volume Group minor number; Please check and make sure the group minor number is unique.
vgdisplay: Cannot display volume group "/dev/vg00".
Well, it seems that the slvmvg file is easy enough to move, but moving lvmtab and running vgscan just isn't a possibility on our production system during the day. That would be a huge no-no and could cost me my job. We have several terabytes of data on this particular cluster.
We can schedule it during a down time. The lv's need to be quiet for this to run successfully. The real issue is why it happened. The slvmvg file has been around for ages and the vgdisplay problem only happened recently. If it's really a corruption to the lvmtab I'd like to know why!
Thanks again for all of your help.
Bonnie
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03-21-2002 12:37 PM
03-21-2002 12:37 PM
Re: vgdisplay error
check
ll /dev/*/group
and see whether there are minor numbers of VGs which are identical!
-raj
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03-21-2002 12:45 PM
03-21-2002 12:45 PM
Re: vgdisplay error
Can you post the out put of
#ll /dev/vg*
That will be helpful.
I forgot to ask that before.
-pap
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03-21-2002 12:53 PM
03-21-2002 12:53 PM
Re: vgdisplay error
#vgscan -p -v
This will give you the exact description about your problem.
There is no harm in using this command on production system as it will not going to update your lvmtab file.
-pap
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03-21-2002 12:55 PM
03-21-2002 12:55 PM