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List: linux-lvm
Subject: Re: [linux-lvm] ERROR pv_move_pe()
From: "Heinz J. Mauelshagen" <Mauelshagen () sistina ! com>
Date: 2001-05-30 13:43:47
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On Wed, May 30, 2001 at 02:33:40PM +0200, Timo Veith wrote:
> Hi all!
>
> We have a Red Hat Linux system with kernel 2.4.3 using LVM 0.9.1 beta7.
> There is one VG defined with 6 PVs. We added another hard disk to the
> VG, trying to replace a smaller PV by using pvmove. The pvmove command
> failed after a long run with the following error message:
>
> root@host[~] pvmove /dev/hdd1
> pvmove -- moving physical extents in active volume group "vg00"
> pvmove -- WARNING: if you lose power during the move you may need to
> restore your LVM metadata from backup!
> pvmove -- do you want to continue? [y/n] y
> pvmove -- ERROR reading input physical volume "/dev/hdd1" (still 65536 bytes to read)
>
> pvmove -- ERROR "pv_move_pe(): read input PV" pv_move_pe
>
> pvmove -- ERROR "pv_move_pe(): read input PV" moving physical extents
>
> TH output of pvdisplay /dev/hdd1 shows that there is only one PE left
> to move away from /dev/hdd1. We've tried to change the state of the
> VG from active to inactive and from the LV also. Even with the
> filesystem (reiserfs) mounted or unmounted the same error message
> appears.
Do I get right that you deactivated the VG, activated it again and
were not able to pvmove that last PE away from /dev/hdd1.
If so, it sounds like a bug in pv_move_pes() in the library or something.
Could you please send "pvmove -d" output to me in direct mail to sort
this one out.
>
> Where is this error message coming from, how can we solve this
> problem?
>
> What happens if we just reduce the VG by /dev/hdd1 although there is
> still one PE of the VG on it?
You can't do that. A PV must have *no* PEs allocated to LVs.
>
>
> Thanks in advance for any help.
>
> Regards,
>
>
> Timo
>
>
>
>
>
> _______________________________________________
> 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 ***
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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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