From: AJ Lewis <alewis@redhat.com>
To: Jeff Ewing <jeffiewing@gmail.com>,
LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] PV segments corrupted in vg1 : LVM corrupted
Date: Wed, 22 Jun 2005 09:15:22 -0500 [thread overview]
Message-ID: <20050622141522.GD22056@null.msp.redhat.com> (raw)
In-Reply-To: <3cd4d99305062204374db9549@mail.gmail.com>
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On Wed, Jun 22, 2005 at 09:37:13PM +1000, Jeff Ewing wrote:
> After removing some logical volumes (backup,etc) and extending home
> logical volume, data in the whole volume group (vg1) has become
> corrupted: Root logical volume is mounted at boot time, but am unable
> to mount any other logical volumes in that volume group (var,home etc)
> after reboot.
>
> pvscan displays : PV segment VG free_count mismatch: 0 != 4294966485
> Internal error: PV segments corrupted in vg1.
> No matching physical volumes found
>
> vgdisplay, vgchange,vgscan display similiar message.
>
> Using 2 IDE drives, with 2 meta disks on each (mirrored across the drives).
> 1 meta disk contains boot
> 1 meta disk contains LVM - 1 volume group, logical volumes for
> root,swap,var,usr,home
>
> vgcfgrestore fails.
>
> /etc/lvm/backup/vg1 contains (english) description of last known state of the
> logical volumes.
> /etc/lvmconf/vg1.conf is a binary file (may be out of date)
> /etc/lvmtab.d/vg1 appears to be the same binary file above (may be out of date)
>
> System is Debian Unstable, running lvm2,udev,device mapper, kernel
> 2.6.8 compiled from Debian source. System appeared stable for 1 week
> after lvm changes, but failed on reboot.
Was your VG made with LVM1? There has been a report similar to this one on
the list about LVM1 formatted VGs not working with the latest version of lvm2
> 1. What command can be used to recreate the vg1.conf binary file from
> the english description backup? (vg1.conf modification date is older
> than changes)
This is an lvm1 file - all lvm2 files are in /etc/lvm/
> 2. What is the VG free count and how can it be reset to 0?
>
> 3. What other tools available to fix broken lvm.
You could try going back to an older version of the lvm2 tools and see if it
fixes things.
--
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next prev parent reply other threads:[~2005-06-22 14:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-22 11:37 [linux-lvm] PV segments corrupted in vg1 : LVM corrupted Jeff Ewing
2005-06-22 14:15 ` AJ Lewis [this message]
2005-06-23 1:02 ` [linux-lvm] " Jeff Ewing
2005-06-23 6:01 ` Jeff Ewing
2005-06-23 8:11 ` Alasdair G Kergon
2005-06-24 2:02 ` Jeff Ewing
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