[linux-lvm] ERROR pv_move_pe()

[Oliver Jovic]

Hello Heinz,

you got my email with the pvmove -d output? I am just wondering coz i got
now answer till yet.
How long do you guess will it take to find out what it could be?

Regards 

Oliver


> 
> 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 at 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 at 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 at Sistina.com                           +49 2626 141200
>                                                        FAX 924446
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