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Re: [linux-lvm] pvs complains of missing PVs that are not missing



Le 24/10/2013 04:35, Zdenek Kabelac a écrit :
Dne 23.10.2013 18:43, Joe Harvell napsal(a):
Hi Joe,

I am having similar issues in that I have a LVM2 raid1 mirror between a
local disk and a iSCSI disk and once I remove the iSCSI disk and add it
back, the mirror stays broken. I traced the cause of that to be LVM2 still complains about a PV missing even though the same PV has been added back.

I wonder if you have resolved your issue and what did you do.
Thanks a lot.
Shi


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Shi,

This is not yet resolved. I'm still waiting for Peter Rajnoha to follow up after I provided him the information he requested. He said he might be able to look at it more closely later this week. In the mean time, I work around this issue by activating the VG with --partial. I can access my data, but I
can't make any LVM config changes.



If the missing PV is reattached to your system - you need to

vgextend --restoremissing   /dev/path_to_PV


Since once the PV is detected as missing - metadata are update on present PVs,
and the missing PV is marked as MISSING.
When such PV reappear - you need to run the command to re-synchronize metadata.

Zdenek

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My faith in LVM is restored. This fixed my problem. I really need to read through all those man pages more closely.


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