Re: [Users] Recommended way to disconnect and remove iSCSI direct LUNs
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Hi Maor,
Thanks for your explanation! I suppose we'll disconnect manually, if we=20
decide to use direct LUNs instead of Storage domain volumes (some=20
issues with SD volumes, as explained in another mail thread of mine).
Best regards,
Boyan
On Tue Mar 4 14:20:38 2014, Maor Lipchuk wrote:
Hi Boyan,
Generally we don't disconnecting external Lun disks when we remove them=
from the oVirt management.
You can disconnect them manually from the host, or use restart.
IIRC one reason for that, is because we might have Storage Domains whic=
h
use the same target.
another reason is that we keep those sessions, so it will be easier to
establish connection when reusing the target.
Regards,
Maor
On 02/26/2014 02:41 PM, Boyan Tabakov wrote:
> Hello,
>
> I have ovirt 3.3.2 running with FC19 nodes. I have several virtual
> machines that use directly attached iSCSI LUNs. Discovering, attaching=
> and using new LUNs works without issues (vdsm needed some
patching to
> work with Dell Equallogic, as described here
> https://sites.google.com/a/keele.ac.uk/partlycloudy/ovirt, but that's =
a
> separate issue). Also live migration works well between hosts and
the
> LUNs get properly attached to the migration target host.
>
> However, I don't see any way to disconnect/remove LUNs that are no
> longer needed (e.g. VM is removed). What is the recommended way to
> remove old LUNs, so that the underlying iSCSI sessions are disconnecte=
d?
> Especially if a VM has been migrated between hosts, it leaves the
LUNs=
> connected on multiple nodes.
>
> Thank you in advance!
>
> Best regards,
> Boyan Tabakov
>
>
>
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> http://lists.ovirt.org/mailman/listinfo/users
>
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