[pve-devel] zfs plugin: creating 2 disks

[Pablo Ruiz]

I sent a patch a couple of months ago allowing support for nested pools. I
think it was merged into testing.


On Sat, May 3, 2014 at 9:23 PM, Michael Rasmussen <mir at datanom.net> wrote:

> On Sat, 3 May 2014 21:58:43 +0300
> Adrian Costin <adrian.costin at gmail.com> wrote:
>
> > Small bug when creating a second disk for the same VM on the same repo:
> >
> > command '/usr/bin/ssh -o 'BatchMode=yes' -i
> > /etc/pve/priv/zfs/10.37.64.2_id_rsa root at 10.37.64.2 zfs create -s -b
> > 64k -V 33554432k storage/kvm/vm-1476-disk-1' failed: exit code 1 (500)
> >
> > Basically it doesn't find that vm-1476-disk-1 already exists. Running
> > the command manually gives:
> >
> > cannot create 'storage/kvm/vm-1476-disk-1': dataset already exists
> >
> > This seems to be related to the fact that I'm using:
> >
> > pool storage/kvm
> >
> > in storage.cfg. If I use just the pool name it correctly increments
> > the ID, however I have need to keep all the images inside a secondary
> > zfs.
> Yes, seems to remember that nested pools are not supported. I will see
> if I can find some time to look into this. I should think you could
> overcome this missing feature by creating a target which points
> directly to the nested pool. Purely speculating since I haven't tested
> this.
>
> --
> Hilsen/Regards
> Michael Rasmussen
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