[linux-lvm] pvmove problems

[Vesa-Pekka Palmu]

On Thu, 16 Aug 2007, michael wrote:

> I'm trying to reduce a logical vol so that I can remove a HD from it.
> However, I get errors with pvmove but I don't know why. I saw some old
> postings with a kernel patch but the URL is extinct.
>
> I'm running Fedora: Linux xxx.phy.umist.ac.uk 2.6.22.1-41.fc7 #1 SMP Fri
> Jul 27 18:21:43 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux
>
>
> chris at veri:~$ sudo /usr/sbin/pvdisplay /dev/sdb1
> Password:
>   --- Physical volume ---
>   PV Name               /dev/sdb1
>   VG Name               VolGroup00
>   PV Size               698.64 GB / not usable 10.34 MB
>   Allocatable           yes
>   PE Size (KByte)       32768
>   Total PE              22356
>   Free PE               19156
>   Allocated PE          3200
>   PV UUID               xDWUQB-wdEx-AtEs-YFkh-BKBR-7Jgd-9ik3p0
>
>
> chris at veri:~$ sudo /usr/sbin/pvdisplay /dev/sda2
>   --- Physical volume ---
>   PV Name               /dev/sda2
>   VG Name               VolGroup00
>   PV Size               465.66 GB / not usable 3.56 MB
>   Allocatable           yes
>   PE Size (KByte)       32768
>   Total PE              14901
>   Free PE               14839
>   Allocated PE          62
>   PV UUID               GLGcHf-b3Ga-M61f-okkW-HaAk-Al7P-leVK91
>
>
> chris at veri:~$ sudo /usr/sbin/pvmove /dev/sdb1
>   Failure parsing mirror status fraction: 1 core
>   Failure parsing mirror status fraction: 1 core
>   ABORTING: Mirror percentage check failed.
>
>

2.6.22 has a bug in dm-mirror status reporting, and as lvm relies on that 
to parse the progress of pvmove, it causes pvmove to fail, use 2.6.21 or 
patch your kernel.

-- 
^^^ Tämä on siguerotin, se ei pure.