On Sun, Mar 13, 2016 at 9:46 AM, Christophe TREFOIS < christophe.tref...@uni.lu> wrote:
> Dear all, > > I have a problem since couple of weeks, where randomly 1 VM (not always > the same) becomes completely unresponsive. > We find this out because our Icinga server complains that host is down. > > Upon inspection, we find we can’t open a console to the VM, nor can we > login. > I assume 3.6's console feature, or is it Spice/VNC? > > In oVirt engine, the VM looks like “up”. The only weird thing is that RAM > usage shows 0% and CPU usage shows 100% or 75% depending on number of cores. > Any chance there's really something bad going on within the VM? Anything in its journal or /var/log/messages or ... depending on the OS? Y. > The only way to recover is to force shutdown the VM via 2-times shutdown > from the engine. > > Could you please help me to start debugging this? > I can provide any logs, but I’m not sure which ones, because I couldn’t > see anything with ERROR in the vdsm logs on the host. > > The host is running > > OS Version: RHEL - 7 - 1.1503.el7.centos.2.8 > Kernel Version: 3.10.0 - 229.14.1.el7.x86_64 > KVM Version: 2.1.2 - 23.el7_1.8.1 > LIBVIRT Version: libvirt-1.2.8-16.el7_1.4 > VDSM Version: vdsm-4.16.26-0.el7.centos > SPICE Version: 0.12.4 - 9.el7_1.3 > GlusterFS Version: glusterfs-3.7.5-1.el7 > > We use a locally exported gluster as storage domain (eg, storage is on the > same machine exposed via gluster). No replica. > We run around 50 VMs on that host. > > Thank you for your help in this, > > — > Christophe > > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >
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