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Re: [linux-lvm] DOH! NT's fixboot killed PV


hoping that the FAT metadata is small enough not to overwrite any LVM
extents, you should try a "pvcreate -f /dev/hda1" and rerun the
"vgcfgrestore;vgscan;vgchange -ay" cycle.

pvcreate is necessary, because vgcfgrestore needs a valid LVM PV structure.

Heinz    -- The LVM Guy --

On Thu, Nov 08, 2001 at 04:22:42AM -0500, John Marquart wrote:
> Hello,
> 	Through my own carelessness  - my helper ended up running w2k's
> fixboot program on my rootvg's primary PV.  It wrote FAT info of some sort
> to the header area of my /dev/hda1 partition.
> I am (desperately) hoping that there is some way to recover this header
> info. (And that ppl on this list can aide me.)
> I thought perhaps the way to go about it was to do a vgcfgrestore ..
> however I had no luck - when i ran it w/ the -l / -l -l flags - it would
> show me the correct info - but if i ran it w/out the -l flags - then it
> would give me the following error:
> ERROR "pv_read(): PV identifier invalid" reading physical volumes
> I get the same error if I try to do pvscan.
> pvdata shows that things are FUBAR - w/ a UUID of something like "0
> NAME-     -FAT1-2   - <GARBAGE>" - but I know the proper identifier is in
> the cfg backup file - since it can be displayed and is
> "Nku12O-iI1H-Ee4v-Lpa0-SxtF-31z)-xZs7sr"
> If anyone could provide tips / directions on how to go about fixing this
> problem - I would be very greatful - I just finally got the system
> built/installed to my satisfaction and would hate to start over.
> tia,
> -john marquart
> ps.  Bill & Ted rule!
> _______________________________________________
> linux-lvm mailing list
> linux-lvm sistina com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***


Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
Mauelshagen Sistina com                           +49 2626 141200
                                                       FAX 924446

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