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Date: Wed, 18 Oct 2006 16:04:25 +0200
From: Micha Holzmann <holzmann@gmx.de>
Subject: Re: [linux-lvm] pvcreate succeeds but vgcreate cannot read label
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To: LVM general discussion and development <linux-lvm@redhat.com>

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@neptune ~ $ sudo pvcreate /dev/hda6
>    Physical volume "/dev/hda6" successfully created
> 
> mas90@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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