[linux-lvm] lvm cannot vgchange -a y _pv_get_number failed for rdev = 65535

[linux-lvm] lvm cannot vgchange -a y _pv_get_number failed for rdev = 65535

[Lars-Gunnar Ellenberg]

hi,
I found only three matches, two postings, for this, and no solution. may
be you solved this problem back then, and can tell me about it.

I cannot vgchange -a y :
_pv_get_number_failed for rdev = 65535
_lvm_snapshot_fill_COW_page failed

(I once toyed around with a snapshot, but never used it actually, and
obviously never removed it again)

so is there an "easy" solution except recreating the whole thing and
hoping for some recent backup (which I doubt...)

if theres no solution, is there a way to dd the data somewhere
 and mount -o loop it to get the data back?


--                                                       ,,,

 -- Lars                                                (o o)
                                                  ---o00-(_)-00o----

Re: [linux-lvm] lvm cannot vgchange -a y _pv_get_number failed for rdev = 65535

[Heinz J . Mauelshagen]

Well, this means that your copy on write exception table got toasted :-(

Check out top of LVM CVS at www.sistina.com (follow guidelines for CVS access
provided there) which contains a "-r" (or --remove_snapshots) option for
vgscan. That option removes *all* snapshots of all or a particular VG
at VG activation time so that vgchange can activate VGs afterwards.

For eg. "vgscan -r vg00" would try to activate all VGs and
remove all snapshots in the VG named "vg00".


On Mon, Feb 11, 2002 at 11:17:15AM +0100, Lars-Gunnar Ellenberg wrote:
> 
> hi,
> I found only three matches, two postings, for this, and no solution. may
> be you solved this problem back then, and can tell me about it.
> 
> I cannot vgchange -a y :
> _pv_get_number_failed for rdev = 65535
> _lvm_snapshot_fill_COW_page failed
> 
> (I once toyed around with a snapshot, but never used it actually, and
> obviously never removed it again)
> 
> so is there an "easy" solution except recreating the whole thing and
> hoping for some recent backup (which I doubt...)
> 
> if theres no solution, is there a way to dd the data somewhere
>  and mount -o loop it to get the data back?
> 
> 
> --                                                       ,,,
> 
>  -- Lars                                                (o o)
>                                                   ---o00-(_)-00o----
> 
> 
> _______________________________________________
> 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

-- 

Regards,
Heinz    -- The LVM Guy --

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

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