Comment 10 for bug 620027

It would be great to figure out why this is happening but ultimately It
might be better if nova volume didn't go around creating volume groups at
all and just checked to make sure the right one exists.

On Aug 19, 2010 9:35 AM, "Armando Migliaccio" <email address hidden>
wrote:
> by the way, with your changes I can see in the log that the pvcreate
> call fails in the "if it already exists" case, but that (as you pointed
> out) is not the problem here. It's just this oddity about the daemon
> mode, which might potentially affect every other service!
>
> --
> vgcreate/lvcreate in volume/service.py fail and go undetected
> https://bugs.launchpad.net/bugs/620027
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> Status in OpenStack Compute (Nova): New
>
> Bug description:
> I noticed that service.py under nova/volume contains this flag:
>
> flags.DEFINE_string('storage_dev', '/dev/sdb', 'Physical device to use for
volumes')
>
> my host does not have a /dev/sdb, so vgcreate in _init_volume_group(self)
fails and consequently lvcreate in _create_lv fails too. It seems that no
exeption is reported in the log file. Shouldn't storage_dev be /dev/loop0 or
any other free loop device chosen by losetup passed by $NOVA_VOLUME_ARGS?
>
> Thanks,
> Armando
>
>
>
>