[ovirt-users] Delete disk references without deleting the disk
Karli Sjöberg
karli.sjoberg at slu.se
Mon Nov 23 08:02:45 UTC 2015
mån 2015-11-23 klockan 08:56 +0100 skrev Johan Kooijman:
> Hi Nir,
>
>
> I wonder if it can be made any more efficient, I think this method is
> clear enough. The only thing not clear to me was that while deleting
> the storage domain, it doesn't touch it's contents.
Perhaps another wording? "Delete" vs. "Remove"?
/K
>
> On Sun, Nov 22, 2015 at 9:00 PM, Nir Soffer <nsoffer at redhat.com>
> wrote:
> On Sun, Nov 22, 2015 at 6:14 PM, Johan Kooijman
> <mail at johankooijman.com> wrote:
> > Hi all,
> >
> > I have about 100 old VM's in my cluster. They're powered
> down, ready for
> > deletion. What I want to do is delete the VM's including
> disks without
> > actually deleting the disk images from the storage array
> itself. Is that
> > possible?
>
> Select the vm, click "remove", in the confirmation dialog,
> uncheck the
> "Delete disks"
> checkbox, confirm.
>
> > At the end I want to be able to delete the storage domain
> (which
> > then should not hold any data, as far as ovirt is
> concerned).
>
> Ovirt deleted the vms, but is keeping the disks, so the
> storage domain
> does hold all
> the disks.
>
> >
> > Reason for this: it's a ZFS pool with dedup enabled,
> deleting the images one
> > by one will kill the array with 100% iowa for some time.
>
> So what do you need is to destroy the storage domain, which
> will
> remove all the entities
> associated with it, but will keep the storage without any
> change.
>
> Do this:
> 1. Select the storage tab
> 2. select the domain
> 3. In the data center sub tab, click "maintenance"
> 4. When domain is in maintenance, click "detach"
> 5. Right click the domain and choose "destroy"
>
> This will remove the storage domain from engine database,
> leaving
> the contents of the domain.
>
> You can now delete the contents using favorite system tools.
>
> Now, if we want to add support for this in ovirt, how would
> you delete
> the entire domain in a more efficient way?
>
> Nir
>
>
>
>
> --
> Met vriendelijke groeten / With kind regards,
> Johan Kooijman
>
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