[linux-lvm] pvcreate succeeds but vgcreate cannot read label

Micha Holzmann holzmann at gmx.de
Wed Oct 18 14:04:25 UTC 2006

Hi Malcolm,

Quoting Malcolm Scott:
> When I run pvcreate on a partition, it seems the PV label is successfully 
> written to the partition, but vgcreate cannot then read this label in order 
> to incorporate this new PV into a new VG.
> mas90 at neptune ~ $ sudo pvcreate /dev/hda6
>    Physical volume "/dev/hda6" successfully created
> mas90 at neptune ~ $ sudo vgcreate neptune_vg /dev/hda6
>    No physical volume label read from /dev/hda6
>    /dev/hda6 not identified as an existing physical volume
>    Unable to add physical volume '/dev/hda6' to volume group 'neptune_vg'.
> What could cause this?
> The system is running Ubuntu Edgy, with the following versions:

i assume that you have the standard installation. Having this, you have
evms installed. So will need to use /dev/evms/hdax. Please check this.

Best regards,
Micha Holzmann

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