[linux-lvm] Partitiontable destroyed with gentoo installer

[Thomas Scheller]

Hi,

if someone is interested in the solution of this issue, have a look at:
http://forums.gentoo.org/viewtopic-p-3562137.html#3562137

Best regards
     Thomas

> -----Ursprüngliche Nachricht-----
> Von: LVM general discussion and development <linux-lvm at redhat.com>
> Gesendet: 02.09.06 23:27:59
> An: linux-lvm at redhat.com
> Betreff: [linux-lvm] Partitiontable destroyed with gentoo installer


> Hi,
> 
> I have a 250GB harddisk. I used the whole disk as a PV.
> 
> # pvcreate /dev/hdb
> 
> and did create a volume group
> 
> vgcreate vg_250GB /dev/hdb
> 
> and 2 logical volumes
> 
> lv_old_system with 50GB
> and
> lv_storage with the rest of the disk
> 
> then I did copy all the data from the old harddisk to lv_old_system.
> 
> With the Gentoo live CD I did then install gentoo linux to the old harddrive.
> The gentoo installer did delete the partitiontable on all connected harddrives :-(
> So my logicalvolumes are not available anymore.
> But vgchange shows that lv_old_system is somehow still available. Can you help me please, to recover that volume?
> As I did create the logical volume with the old SuSE 8 installation, which I did overwrite with the gentoo installation, I do not have the metadata backup in /etc :-(
> 
> thinkpad ~ # vgchange -v -ay vg_250GB
>     Using volume group(s) on command line
>     Finding volume group "vg_250GB"
>   Logical volume (lv_old_system) contains an incomplete mapping table.
>     Wiping cache of LVM-capable devices
>   Logical volume (lv_old_system) contains an incomplete mapping table.
>   Volume group "vg_250GB" not found
> thinkpad ~ # 
> 
> Thank you in advance
>     Thomas
> 
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