Around VM lifecycle changes MOM calls are triggering exceptions in VDSM. AFAICT it doesn't have impact on how product works, but it does have impact on troubleshooting and it triggers customer false alerts Example from journal, likely related to a live migration: Mar 29 13:23:21 bl460-558 journal: vdsm jsonrpc.JsonRpcServer ERROR Internal server error#012Traceback (most recent call last):#012 File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 545, in _handle_request#012 res = method(**params)#012 File "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line 195, in _dynamicMethod#012 result = fn(*methodArgs)#012 File "/usr/share/vdsm/API.py", line 1358, in getAllVmIoTunePolicies#012 io_tune_policies_dict = self._cif.getAllVmIoTunePolicies()#012 File "/usr/share/vdsm/clientIF.py", line 447, in getAllVmIoTunePolicies#012 vm_io_tune_policies[v.id] = {'policy': v.getIoTunePolicy(),#012 File "/usr/share/vdsm/virt/vm.py", line 2772, in getIoTunePolicy#012 qos = self._getVmPolicy()#012 File "/usr/share/vdsm/virt/vm.py", line 2746, in _getVmPolicy#012 metadata_xml = self._dom.metadata(#012 File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 47, in __getattr__#012 % self.vmid)#012NotConnectedError: VM u'dbc70ee7-1625-4660-8931-2d0639f64748' was not started yet or was shut down
This problem will also be solved by the caching of IO tune policies done in Bug 1435218.
WARN: Bug status wasn't changed from MODIFIED to ON_QA due to the following reason: [FOUND CLONE FLAGS: ['rhevm-4.1.z', 'rhevm-4.2-ga'], ] For more info please contact: rhv-devops
Verified on ovirt-engine-4.2.0-0.0.master.20171116212005.git61ffb5f.el7.centos.noarch
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2018:1489
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