( @Sven, not being able to migrate Vm with ISO attached - don't recall testing/doing that recently - but is technically perfectly possible, unless we don't support it via CloudStack - feel free to open GitHub issue with correct steps to reproduce etc)
On Fri, 22 Nov 2019 at 01:47, Andrija Panic <andrija.pa...@gmail.com> wrote: > That sucks...thx both. > > @both - which ACS version do you use (and encounter such issues?) > > Ubuntu comes with a whole another set of issues (I was losing my nerves > around very idiotic things, last time a week ago...) - though most can be > managed with some workarounds. > But yes, Qemu/libvirt should be better with Ubuntu - free of RedHat > s$^%tty business politics - i.e. in CentOS 6.x you were able to live > migrate VM WITH all the volumes to another host/storage. On CentOS 7 you > can't do that any more, unless you are using qemu-kvm-ev (but not the > regular one from the SIG CentOS repo, you need the one from the oVirt > project) > > I'm just trying to understand if this is happening also on i.e. ACS 4.11 - > so to stop digging around the problem (and assume it's purely CentOS which > is broken - why all great things need to come to an end...damn it) > > (well I could also test same ACS code on Ubuntu and see if no issues there > with live migrations..) > > Thanks > Andrija > > On Thu, 21 Nov 2019 at 23:39, Jean-Francois Nadeau <the.jfnad...@gmail.com> > wrote: > >> Hi Andrija, >> >> We experienced that problem with stock packages on CentOS 7.4. Live >> migration would frequently fail and leave the VM dead. We since moved >> to >> RHEV packages for qemu. Libvirt is still stock per CentoS 7.6 (4.5). I >> want to say the situation improved but I can't tell yet if we have a 100% >> success rate on live migrations (as it should be !) >> >> Redhat also have been messing up severely with stock libvirt versions >> between 7.4/7.5/7.6 in such way it broke live migration compatibility (cpu >> definitions). Im at the crossroads right now to entirely ditch >> centos/redhat in favor of Ubuntu to have well tested stock packages. >> >> best, >> >> -Jfn >> >> >> >> On Thu, Nov 21, 2019 at 5:25 PM Andrija Panic <andrija.pa...@gmail.com> >> wrote: >> >> > Hi guys. >> > >> > I wanted to see if any of you have seen similar/same in master, as >> below. >> > >> > I've been testing some work/PRs (against the current master) and I've >> seen >> > that VMs will crash/be stopped occasionally when live migration is >> > happening. I experienced this on an NEW/EMPTY env, with 2 KVM hosts, and >> > only SSVM and CPVM - not a capacity issues or similar. >> > >> > This is happening with CentOS 7 (CentOS 7.3 I believe, but we also >> updated >> > packages to the latest stock ones and same issue was happening again). >> > >> > This is still under investigation, but I was wondering if anyone else >> has >> > seen similar thing happening? >> > >> > Best, >> > >> > -- >> > >> > Andrija Panić >> > >> > > > -- > > Andrija Panić > -- Andrija Panić
