The following patch is suspected to be failing OST:
https://gerrit.ovirt.org/#/c/94754/2
Error snippet from vdsm log:
2018-10-09 08:51:50,799-0400 ERROR (Thread-7) [root] Shutdown by QEMU
Guest Agent failed (vm:5269)
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 5260,
in qemuGuestAgentShutdown
self._dom.shutdownFlags(libvirt.VIR_DOMAIN_SHUTDOWN_GUEST_AGENT)
File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 100, in
f
ret = attr(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py",
line 131, in wrapper
ret = f(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/common/function.py",
line 94, in wrapper
return func(inst, *args, **kwargs)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 2482, in
shutdownFlags
if ret == -1: raise libvirtError ('virDomainShutdownFlags()
failed', dom=self)
libvirtError: Guest agent is not responding: QEMU guest agent is not connected