I've forgot to tell that i've upgraded my opennebula to 4.6 version.
2014-05-14 12:08 GMT+02:00 Leszek Master <keks...@gmail.com>: > Can you write me what i need to do to migrate to qcow2 format? I've got > running vm's that cannot be "deleted". I tried migrating them form rbd v1 > to v2 but this doesn't solved my problem. > > > 2014-04-30 12:41 GMT+02:00 Javier Fontan <jfon...@opennebula.org>: > > I'm not sure I follow you with that. Just changing the TM from ceph to >> qcow2 is something that probably doesn't work. One of the things that >> can be failing is that getting the free space from ceph and qcow2 is >> totally different and it may be that the datastore is reporting 0 >> bytes free. In this case the scheduler will never start a VM that uses >> that datastore. >> >> On Wed, Apr 23, 2014 at 9:18 AM, Leszek Master <keks...@gmail.com> wrote: >> > I tried to change rbd image version from 1 to 2 but it doesn't work. But >> > when i changed in my ceph datastore TM_MAD to qcow2 the new VM >> instantized >> > from image that was in the datastore stuck on "PENDING". Is there any >> way to >> > get this working with "existing" images? >> > >> > >> > 2014-04-21 14:53 GMT+02:00 Stuart Longland <stua...@vrt.com.au>: >> > >> >> On 17/04/14 01:18, Leszek Master wrote: >> >> > 1) I'm using OpenNebula 4.4 with ceph datastore. When i try to make >> >> > snapshot i've got error: >> >> > 3) Is there any way to use copy-on-write in opennebula 4.4 ? >> >> >> >> I did some experimental work on this with our OpenNebula 4.4 instance. >> >> It relies on modern kernel's ability to map version-2 RBD images using >> >> the kernel rbd driver, so it needs kernel >3.10 (? Not sure of exact >> >> version; we're using 3.13). >> >> >> >> This newer format allows copy-on-write cloning. "Hot" snapshots work, >> >> however I haven't managed to trigger a deferred snapshot, so that's >> >> untested. The driver also makes use of hypervisor-side cache using >> >> FlashCache, allocating slices of a nominated LVM volume to boost >> >> performance. >> >> >> >> I've thrown my work into a git repository for now, consider this very >> >> much pre-alpha. If you're brave, feel free to give it a go: >> >> >> >> git clone git://git.longlandclan.yi.org/opennebula-ceph-flashcache.git >> >> >> >> Regards, >> >> -- >> >> Stuart Longland >> >> Systems Engineer >> >> _ ___ >> >> \ /|_) | T: +61 7 3535 9619 >> >> \/ | \ | 38b Douglas Street F: +61 7 3535 9699 >> >> SYSTEMS Milton QLD 4064 http://www.vrt.com.au >> >> >> >> >> > >> > >> > _______________________________________________ >> > Users mailing list >> > Users@lists.opennebula.org >> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >> > >> >> >> >> -- >> Javier Fontán Muiños >> Developer >> OpenNebula - The Open Source Toolkit for Data Center Virtualization >> www.OpenNebula.org | @OpenNebula | github.com/jfontan >> > >
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