Re: LVM problems: pvmove "errors"

[michael <cs@networkingnewsletter.org.uk>]

On Thu, 2007-08-16 at 14:22 +0200, Martin Marcher wrote:

> On 8/16/07, michael bane <michael.bane@manchester.ac.uk> 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:
> >
> > chris@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@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@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.
> >
> >
> >

Hi,
> 
> are you absolutely sure that the other PVs have enough space available
> to remove the desired one? (this bugged me everytime i had to remove a
> PV)
> 
> /martin
> 
> 


If I'm reading it right, the source device /dev/sdb1 has 3,200 allocated
PEs and the dest device /dev/sda2 has 14,839 free PEs (all PEs being the
same size). So it appears to me that there is enough room to do the
pvmove...