LVM2 problems

[Ezra Taylor]

Thanks Herta.  I'll try this today.

On Tue, Apr 8, 2008 at 3:37 AM, Herta Van den Eynde <
herta.vandeneynde at gmail.com> wrote:

> On 08/04/2008, Ezra Taylor <ezra.taylor at gmail.com> wrote:
> >
> > Hello all:
> >               I just inherited a box that's running LVM2.  This box has
> > two
> > volume groups with the same name but they both have different UUID
> > numbers.
> > Is it a problem to have a  box like this?  If so, how can I recover?
>  The
> > output of displayvg and pvscan is below.
> >
> >
> >   sudo /usr/sbin/vgdisplay
> >   --- Volume group ---
> >   VG Name               SysVG
> >   System ID
> >   Format                lvm2
> >   Metadata Areas        1
> >   Metadata Sequence No  8
> >   VG Access             read/write
> >   VG Status             resizable
> >   MAX LV                0
> >   Cur LV                7
> >   Open LV               7
> >   Max PV                0
> >   Cur PV                1
> >   Act PV                1
> >   VG Size               273.38 GB
> >   PE Size               32.00 MB
> >   Total PE              8748
> >   Alloc PE / Size       2112 / 66.00 GB
> >   Free  PE / Size       6636 / 207.38 GB
> >   VG UUID               rS82Le-cEA5-MDxm-7zza-x0ve-gxYp-txZQT0
> >
> >   --- Volume group ---
> >   VG Name               SysVG
> >   System ID
> >   Format                lvm2
> >   Metadata Areas        1
> >   Metadata Sequence No  8
> >   VG Access             read/write
> >   VG Status             resizable
> >   MAX LV                0
> >   Cur LV                7
> >   Open LV               7
> >   Max PV                0
> >   Cur PV                1
> >   Act PV                1
> >   VG Size               67.94 GB
> >   PE Size               32.00 MB
> >   Total PE              2174
> >   Alloc PE / Size       2112 / 66.00 GB
> >   Free  PE / Size       62 / 1.94 GB
> >   VG UUID               haTLf2-kby5-fPxh-pVGx-7lD5-ZYpa-nI6EvK
> >
> >
> >
> >   sudo /usr/sbin/pvscan
> >   PV /dev/cciss/c0d1p1   VG SysVG   lvm2 [273.38 GB / 207.38 GB free]
> >   PV /dev/cciss/c0d0p2   VG SysVG   lvm2 [67.94 GB / 1.94 GB free]
> >   Total: 2 [341.31 GB] / in use: 2 [341.31 GB] / in no VG: 0 [0   ]
> >
> >
> > --
> > Ezra Taylor
> >
>
> I suppose that this could be caused when exporting/importing volume groups
> from another system.
> You could try to rename one of the volume groups using vgsplit.  It has a
> -t
> option to test first, so you should be save.  Something like this should
> do
> the trick:
>
>   # vgsplit -A y -t SysVG MyVG /dev/cciss/c0d0p2
>
> If this looks OK, repeat without the "-t" option.
>
> Kind regards,
>
> Herta
>
> --
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> but it comes with a free ride around the Sun."
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-- 
Ezra Taylor