[ovirt-users] "Enable Discard" for Ceph/Cinder Disks?

[Konstantin Shalygin]

> according tohttp://docs.ceph.com/docs/luminous/rbd/qemu-rbd/  the use of
> Discard/TRIM for Ceph RBD disks is possible. Openstack seems to have
> implemented it
> (https://www.sebastien-han.fr/blog/2015/02/02/openstack-and-ceph-rbd-discard/).
> In oVirt there is no option "Enable Discard" for Cinder Disks (when
> choosing IDE or VirtIO-SCSI driver), even when i set
> "report_discard_supported = true" in Cinder. Are there plans for
> supporting this in the future? Can i use it right now with custom
> properties (never tried this before)?
Hello Matthias.
ovirt-engine do not have this option. Earlier I created issue 
https://bugzilla.redhat.com/show_bug.cgi?id=1440230
But you can use unmap with vdsm-hook-diskunmap 
<https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/diskunmap>.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20171127/92a4292f/attachment.html>