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тАО11-15-2002 07:37 AM
тАО11-15-2002 07:37 AM
Cannot export /import Logical volumes
Cluster. MS-SG.
I try to export the volume group from NodeA and then import it in NodeB. But, it is not able to import the logical volumes for somereason.
Please help.
Thanks,
Karthik
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тАО11-15-2002 07:38 AM
тАО11-15-2002 07:38 AM
Re: Cannot export /import Logical volumes
What are the errors ?
Regards
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тАО11-15-2002 07:44 AM
тАО11-15-2002 07:44 AM
Re: Cannot export /import Logical volumes
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тАО11-15-2002 07:54 AM
тАО11-15-2002 07:54 AM
Re: Cannot export /import Logical volumes
On vgchange on the node where i try to export, couldnt resynchronise stale partitions of the logical volume.
On vgimport , it gives me erros,
Logical Vol is not defines on any physical volume.
"/dev/svg/slv1" is missing physical volume
Thanks
karthik
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тАО11-15-2002 07:57 AM
тАО11-15-2002 07:57 AM
Re: Cannot export /import Logical volumes
What EXACT steps are you taking?
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тАО11-15-2002 10:29 AM
тАО11-15-2002 10:29 AM
Re: Cannot export /import Logical volumes
vgchange -a n vgXX
vgchange -c y vgXX
vgchange -a e vgXX
2 Review steps for HA like options you use in vgexport, i.e :
vgexport -v -p -s -m vgXX.map /dev/vgXX
3. rcp vgXX.map to nodeB
on node B:
4 .re-create vgXX, i.e:
vgexport vgXX
mkdir /dev/vgXX
mknod /dev/vgXX/group c 64 0xXX0000
5. import your volumes:
vgimport -v -s -m vgXX.map /dev/vgXX
If all of above is not working, you might not have visibility from the host to the drives used in vgXX. (if you have EMC or XP).
to check this in case of EMC run:
on node A:
sympd -sid AAAA list > /tmp/sympd.log
(AAAA - last 4 digits of SN for frame).
grep cXtXdX /tmp/sympd.log
check for 2nd column to identify HVE id.
(for example 1A0)
do above sympd command on nodeB for the same sid.
grep 1A0 /tmp/sympd.log
You should see corresponding disk. If not - you wont be able to import vg.
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тАО11-20-2002 05:36 AM
тАО11-20-2002 05:36 AM
Re: Cannot export /import Logical volumes
Before considering importing the VG, first correct the reason for the error message you reported:
Couldn't re-synchronize stale partitions of the logical volume: [error type]
Do a vgdisplay on the VG to see if 'Cur PV' = 'Act PV'. If not, the system may be missing a disk, or a disk was removed from the VG improperly.
Also do an 'lvdisplay on the logical volume and see what errors come back.
Correct the LVM problem, -then- the vgexport should work.
By the way, could this have something to do with the message you posted on Nov 14?
-s.
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тАО11-20-2002 06:33 AM
тАО11-20-2002 06:33 AM