+++ This bug was initially created as a clone of Bug #1052097 +++ Description of problem: On rhevm 3.3 (is30), Have 2 3.3 hosts in 3.2 cluster. Downgrade vdsm of host1 (remove the 3.3 vdsm, and install 3.2 vdsm). Run a VM on host1. Migrate the VM to host2. Upgrade host1 vdsm to 3.3. Migrate VM back to original host, host1 Migration failed on "file exists" error. Version-Release number of selected component (if applicable): is30 vdsm 3.3: (is30 ) vdsm-4.13.2-0.5.el6ev.x86_64.rpm vdsm 3.2: (sf22.4) vdsm-4.10.2-30.1.el6ev.x86_64.rpm Additional info: event error on rhevm: VM mig_ver is down. Exit message: [Errno 17] File exists. vdsm error on destination host (host1): Thread-38::ERROR::2014-01-12 16:21:09,752::vm::2162::vm.Vm::(_startUnderlyingVm) vmId=`53396dbd-388f-47be-a936-4a92a5dc6a6a`::The vm start process failed Traceback (most recent call last): File "/usr/share/vdsm/vm.py", line 2140, in _startUnderlyingVm self._waitForIncomingMigrationFinish() File "/usr/share/vdsm/vm.py", line 3575, in _waitForIncomingMigrationFinish self._domDependentInit() File "/usr/share/vdsm/vm.py", line 2926, in _domDependentInit self._updateAgentChannels() File "/usr/share/vdsm/vm.py", line 2912, in _updateAgentChannels os.symlink(path, socketPath) OSError: [Errno 17] File exists Thread-38::DEBUG::2014-01-12 16:21:09,766::vm::2615::vm.Vm::(setDownStatus) vmId=`53396dbd-388f-47be-a936-4a92a5dc6a6a`::Changed state to Down: [Errno 17] File exists
seems there is still an issue with the symlink on vdsm crash&recovery (see bug 1085801)
confirmed an issue - moving back to ASSIGNED, we need to fix it again...
This is an automated message oVirt 3.4.1 has been released: * should fix your issue * should be available at your local mirror within two days. If problems still persist, please make note of it in this bug report.