On Wed, 2005-09-28 at 11:22 +0100, Robbie Dinn wrote:
> Kent Watsen wrote:
> >
> >
> > I have a working DomU when located on a physical partition (i.e. hdb, a
> > 2nd HD that I'm using to stage guest domains), but it all goes bad when
> > I copy the root/swap partitions into LVM-based partitions.
> > Specifically, I have a working guest domain on hdb2 (swap is hdb1). I
> > created the logical volumes using the usual mix of pvcreate, vgcreate,
> > and lvcreate:
> >
> > pvcreate /dev/hda5vgcreate xen-vg /dev/hda5
> > lvcreate -L5G -n suse-root xen-vg
> > mkfs.reiserfs /dev/xen-vg/suse-root
> > cp -ax /<the real parition> /<the new partition> (yes, this seemed
> > to work as expected)
>
> Sorry, I am confused by this. Are you copying
> a filesystem image or a tree of files on a mounted
> filesystem?
>
> The absence on any mount commands suggests the former.
> The presence of the mkfs.reiserfs command suggests the latter.
>
> Incidently I tend to avoid using cp because I can never
> remember how it works. I tend to dd to copy disk images
> and a pair of tar commnds in a pipeline to copy file trees
> around.
hehe, I used to do that as well, cp -a (archive).
>
> > lvcreate -L256M -n suse-swap xen-vg
> > mkswap /dev/xen-vg/suse-swap
> >
> > The only other modification I made was to the start-up script as follows:
> >
> > < disk = [ 'phy:xen-vg/suse-root,hdb2,w',
> > 'phy:xen-vg/suse-swap,hdb1,w' ]
> > ---
> > > disk = [ 'phy:hdb2,hdb2,w', 'phy:hdb1,hdb1,w' ]
>
> I am using xen-2.0.7
>
> For my domU configuration file I have:
>
> disk = [ 'phy:/dev/system/domU1_root,hda1,w',
> 'phy:/dev/system/domU1_swap,hda2,w']
>
> i.e. are you missing a /dev/ prefix somewhere?
>
> I'm not sure this is causing you a problem though,
> it just seems better to use an explicit path.
>
> If you fsck and mount your LVM filesystem images,
> do they check OK, mount OK, contain all the
> files you expect to be there?
>
> _______________________________________________
Make sure your kernel has lvm support, check back in the list for more
details on this.
Regards,
Ted
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