----- Original Message ----- > From: "Itamar Heim" <ih...@redhat.com> > To: "Jorick Astrego" <j.astr...@netbulae.eu> > Cc: "users" <users@ovirt.org> > Sent: Friday, April 4, 2014 3:52:01 PM > Subject: Re: [Users] scheduling storage migration > > On 04/04/2014 03:34 PM, Jorick Astrego wrote: > > > > On Fri, 2014-04-04 at 15:02 +0300, Itamar Heim wrote: > >> On 04/04/2014 10:51 AM, Jorick Astrego wrote: > >> > Hi, > >> > > >> > I don't know if it's possible yet but can we schedule the (live) storage > >> > migration? > >> > > >> > It would be awesome to have for example some VM data on SSD storage that > >> > migrates to HDD storage when the VM is shutdown. Or have VM's with high > >> > IO load during specific times migrate to a high IO storage domain during > >> > these hours. > >> > >> if the VM is down, you can move it, not (live) storage migration. > >> > > >> > I realize it will generate extra load while migrating but this can be > >> > planned for. Maybe the guys from glusterfs could enable storage > >> > migration on their side so the migration can execute on the storage > >> > server triggered by ovirt, that would be even better performance wise. > >> > >> in any case, you can script anything with the API... > >> > > > > I was being lazy... So I can use the > > http://www.ovirt.org/Features/oVirtSchedulerAPI for this? Or do I have > > to hack around with the engine api. I will spend some time diving into it. > > you can use the scheduler api, but I don't remember it having an event > for OnVmStop. > you can also use it for a periodic "balancing" call, but for that, you > can also just use cron. > in either case you will need to do the relevant api calls for moving the > disks around. i'd go with the cron approach.
What about a vdsm hook? Thanks, Gilad. > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
