Den 6 jul 2014 08:17 skrev Brad Bendy <brad.be...@gmail.com>: > > Is normal behavior a outage when a snapshot occurs? Ive got the rhev > builds installed but when I take a snap im getting well over two > minutes of downtime, on a VM with zero usage.
That behavior is expected, engine pauses the VM during snapshot to ensure consistency. Not as sure about the timeframe though; two mins for a idle VM? When I snap, it's a matter if seconds, but that might be your Gluster spooking. We use a traditional NFS server. Why not set that up and benchmark the difference? /K > The VM goes into "pause" > state then, I guess the snapshot is a copy of the entire VM? I have > not got a second host up with those rhev build to see the behavior > when disk migrating > > Thanks > > On Sat, Jul 5, 2014 at 7:51 AM, Brad Bendy <brad.be...@gmail.com> wrote: > > There we go, sorry about that! Ill give these a test then. Thanks for the > > help > > > > On Sat, Jul 5, 2014 at 7:39 AM, Karli Sjöberg <karli.sjob...@slu.se> wrote: > >> > >> Den 5 jul 2014 16:22 skrev Brad Bendy <brad.be...@gmail.com>: > >> > >> > >>> > >>> Haha, yeah never have been a Fedora fan, and nothing has changed. Is > >>> the only big feature im missing out on is snapshots? From what I can > >>> tell, and in my testing, everything else seems to work. Was deploying > >>> GlusterFS but without the live migration to another host that is > >>> somewhat defeated. > >> > >> VM live migration works, live _disk_ migration does not. > >> > >>> Only way to get that is with RHEL really then? > >> > >> No, as I earlier pointed out, there is a place you can get the packages you > >> need for CentOS: > >> http://jenkins.ovirt.org/view/All/job/qemu-kvm-rhev_create-rpms_el6/lastStableBuild/ > >> > >> You'll have to download- and force install them over the already installed > >> versions of those packages on all Hosts and then it'll work. > >> > >> Though, next time there are updates, yum will update from the standard > >> repos > >> and it just stops working again until you repeat the procedure. > >> > >> /K > >> > >>> > >>> On Sat, Jul 5, 2014 at 7:05 AM, Karli Sjöberg <karli.sjob...@slu.se> > >>> wrote: > >>> > > >>> > Den 5 jul 2014 15:57 skrev Brad Bendy <brad.be...@gmail.com>: > >>> > > >>> > > >>> >> > >>> >> If I use Fedora will "everything" work? I had numerous issues, IIRC I > >>> >> could not even get the ovirtmgmt switch to install and a few other > >>> >> things. What version of Fedora do you recommend then? > >>> > > >>> > None:) We switched long ago to CentOS and have never looked back, even > >>> > with > >>> > these issues. Not worth the headache that is Fedora. > >>> > > >>> > /K > >>> > > >>> >> Ill do another > >>> >> install and give that a whirl again. > >>> >> > >>> >> Thanks! > >>> >> > >>> >> On Fri, Jul 4, 2014 at 10:33 PM, Karli Sjöberg <karli.sjob...@slu.se> > >>> >> wrote: > >>> >> > > >>> >> > Den 5 jul 2014 07:04 skrev Brad Bendy <brad.be...@gmail.com>: > >>> >> >> > >>> >> >> Hi, > >>> >> >> > >>> >> >> Ive seeing conflicting info with what version of qemu rpms are > >>> >> >> needed > >>> >> >> to do live migration under CentOS. It appears the stock ones will > >>> >> >> not > >>> >> >> work and the RHEV ones are required. All the mailing list post I see > >>> >> >> are from 3-4 months ago, so not sure. > >>> >> >> > >>> >> >> Im getting VDSGenericException: VDSErrorException: Failed to > >>> >> >> SnapshotVDS, error = Snapshot failed, code = 48 (Failed with error > >>> >> >> SNAPSHOT_FAILED and code 48) > >>> >> >> > >>> >> >> I also saw this thread: > >>> >> >> http://comments.gmane.org/gmane.linux.centos.general/138593 > >>> >> >> > >>> >> >> Ive been having issues getting those to install, but before I spent > >>> >> >> to > >>> >> >> much more time I wanted to really see if I was on the right track. > >>> >> >> > >>> >> >> Is there a better OS choice? I first started trying with Fedora 19 > >>> >> >> and > >>> >> >> 20 and has major issues, went to CentOS 6.5 and this is the first > >>> >> >> and > >>> >> >> only issue so far ive ran into. > >>> >> >> > >>> >> >> Thanks! > >>> >> >> _______________________________________________ > >>> >> >> Users mailing list > >>> >> >> Users@ovirt.org > >>> >> >> http://lists.ovirt.org/mailman/listinfo/users > >>> >> > > >>> >> > Well, going with Fedora would at least get you the snapshots working, > >>> >> > if > >>> >> > I remember correctly, but that's not something you run in production. > >>> >> > As you > >>> >> > said, "major issues". > >>> >> > > >>> >> > For CentOS, you need "special" versions of certain packages, since > >>> >> > RedHat wants you to pay for RHEV, they have chosen to cripple the > >>> >> > standard > >>> >> > packages so those features won't work: > >>> >> > http://lists.ovirt.org/pipermail/devel/2014-June/007735.html > >>> >> > > >>> >> > And here you can find the packages you need: > >>> >> > > >>> >> > > >>> >> > http://jenkins.ovirt.org/view/All/job/qemu-kvm-rhev_create-rpms_el6/lastStableBuild/ > >>> >> > > >>> >> > /K
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