well, a disk is a chain, so there has to be only one leaf
On Wed, Feb 19, 2020 at 9:58 AM Fedor Gavrilov <fgavr...@redhat.com> wrote: > > Amit, Benny, thanks for your help! > > So does that mean that there can only be at most one leaf in the chain at any > moment? Do we also expect at least one leaf? > > Fedor > > ----- Original Message ----- > From: "Benny Zlotnik" <bzlot...@redhat.com> > To: "Fedor Gavrilov" <fgavr...@redhat.com> > Cc: "devel" <devel@ovirt.org> > Sent: Wednesday, February 19, 2020 8:50:00 AM > Subject: Re: [ovirt-devel] do we even handle volume metadata in the engine? > > Whether a volume is a leaf can be easily computed since it's the last > volume in the chain, see[1] > > > [1] > https://github.com/oVirt/ovirt-engine/blob/master/backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/storage/disk/image/ImagesHandler.java#L667 > > On Tue, Feb 18, 2020 at 5:14 PM Fedor Gavrilov <fgavr...@redhat.com> wrote: > > > > Hi, > > > > It seems I was able to get my setup working for NFS storage, thanks for > > your advices! > > > > Now I'm afraid I am stuck again: what I need to do is to add validation for > > volume metadata to a certain command (to be exact, that VOLTYPE is LEAF). > > But I can't find examples of us dealing with this data in the engine part > > at all. I understand this is in the end executed by VDSM, but nevertheless > > - in what format are we even reading and writing volume metadata? Even > > class/method name would be helpful. > > > > Thanks, > > Fedor > > _______________________________________________ > > Devel mailing list -- devel@ovirt.org > > To unsubscribe send an email to devel-le...@ovirt.org > > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > > oVirt Code of Conduct: > > https://www.ovirt.org/community/about/community-guidelines/ > > List Archives: > > https://lists.ovirt.org/archives/list/devel@ovirt.org/message/EBNNYCDNFV35SSSS3HN4HZK3XSIX5ABC/ > _______________________________________________ Devel mailing list -- devel@ovirt.org To unsubscribe send an email to devel-le...@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/devel@ovirt.org/message/3O6RMHK636NU7H646BVDTWHZI22SBSIP/
