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 /etc/lvmconf/vg1.conf is a binary file (may be out of date) 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 /etc/lvmtab.d/vg1 appears to be the same binary file above (may be out of date) 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. -- AJ Lewis Voice: 612-638-0500 Red Hat Inc. E-Mail: alewis@redhat.com One Main Street SE, Suite 209 Minneapolis, MN 55414 Current GPG fingerprint = D9F8 EDCE 4242 855F A03D 9B63 F50C 54A8 578C 8715 Grab the key at: http://people.redhat.com/alewis/gpg.html or one of the many keyservers out there...
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