Re: [lago-devel] Why do we need qemu-kvm-*ev* ?

On Mar 16, 2017 1:40 PM, "Eyal Edri" <eedri(a)redhat.com&gt; wrote: On Thu, Mar 9, 2017 at 6:08 PM, Yaniv Kaul <ykaul(a)redhat.com&gt; wrote: > > > On Thu, Mar 9, 2017 at 1:51 PM Nadav Goldin <ngoldin(a)redhat.com&gt; wrote: > >> > Very surprising. Can't think of a good reason why. >> >> with qemu-kvm-1.5.3-126.el7.x86_64: >> >> libvirt: QEMU Driver error : unsupported configuration: IOThreads not >> supported for this QEMU >> > > Ah, my fault for adding iothreads. We could remove them (they don't add > more than a small performance improvement, hardly noticeable most likely) > if it makes deployment harder. > Can you send a patch to remove it or open an issue? If we can drop the -ev requirement it will ease the demo tool installation as well. B Sure, but is that the only -ev feature we use? Y. > Y. > > >> I guess snapshots might be another problem, though never tested it. >> >> >From what I understand, new features are not always backported to the >> 'plain' 'qemu-kvm'. This[1] was the best explanation I could find, >> though its not really complete. >> >> >> >> [1] https://lists.centos.org/pipermail/centos-virt/2015-October/ >> 004717.html >> >> On Thu, Mar 9, 2017 at 11:26 AM, Barak Korren <bkorren(a)redhat.com&gt; >> wrote: >> > On 9 March 2017 at 11:12, Yaniv Kaul <ykaul(a)redhat.com&gt; wrote: >> >> >> >> Very surprising. Can't think of a good reason why. >> >> >> > You are welcome to try and either prove me wrong, or find the reason >> > (And potentially fix it...) >> > Alternatively open a Lago issue and we'll get to it some day... >> > >> > -- >> > Barak Korren >> > bkorren(a)redhat.com >> > RHCE, RHCi, RHV-DevOps Team >> > https://ifireball.wordpress.com/ >> > _______________________________________________ >> > lago-devel mailing list >> > lago-devel(a)ovirt.org >> > http://lists.ovirt.org/mailman/listinfo/lago-devel >> > > _______________________________________________ > lago-devel mailing list > lago-devel(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/lago-devel > > -- Eyal Edri Associate Manager RHV DevOps EMEA ENG Virtualization R&D Red Hat Israel phone: +972-9-7692018 <+972%209-769-2018> irc: eedri (on #tlv #rhev-dev #rhev-integ)