Then trying to migrate VM from NEW host node69-06 to OLD host node69-02 (after selinux enabled on it) this errors appears:
Oct 12 14:40:25 node69-06 journal: internal error: process exited while connecting to monitor: 2016-10-12T11:40:25.253691Z qemu-kvm: -drive file=/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/mages/decd47e0-5ab9-48ef-93be-32f07af93eb0/2701cea5-6bb5-435d-9403-2343f43a914b,if=none,id=drive-virtio-disk0,format=qcow2,serial=decd47e0-5ab9-48ef-93be-32f07af93eb0,cache=none,werror=stop,rerror=stop,aio=native: Could not open '/rhev/dta-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/decd47e0-5ab9-48ef-93be-32f07af93eb0/2701cea5-6bb5-435d-9403-2343f43a914b': Permission denied
Oct 12 14:40:25 node69-06 journal: vdsm vm.Vm ERROR vmId=`01564034-b0c3-4caa-9250-3f27d069e0dd`::internal error: process exited while connecting to monitor: 2016-10-12T11:40:25.253691Z qemu-kvm: -drive file=/rhev/data-center/49ad3f2b-696-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/decd47e0-5ab9-48ef-93be-32f07af93eb0/2701cea5-6bb5-435d-9403-2343f43a914b,if=none,id=drive-virtio-disk0,format=qcow2,serial=decd47e0-5ab9-48ef-93be-32f07af93eb0,cache=noe,werror=stop,rerror=stop,aio=native: Could not open '/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/decd47e0-5ab9-48ef-93be-32f07af93eb0/2701cea5-6bb5-435d-9403-2343f43a914b': Permissin denied
Oct 12 14:40:26 node69-06 journal: vdsm vm.Vm ERROR vmId=`01564034-b0c3-4caa-9250-3f27d069e0dd`::Failed to migrate#012Traceback (most recent call last):#012 File "/usr/share/vdsm/virt/migration.py", line 246, in run#012 self._startUnerlyingMigration(time.time())#012 File "/usr/share/vdsm/virt/migration.py", line 335, in _startUnderlyingMigration#012 None, maxBandwidth)#012 File "/usr/share/vdsm/virt/vm.py", line 703, in f#012 ret = attr(*args, **kwargs)#012 File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 119, in wrapper#012 ret = f(*args, **kwargs)#012 File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1825, in migrateToURI2#012 if ret == -1: raise libirtError ('virDomainMigrateToURI2() failed', dom=self)#012libvirtError: internal error: process exited while connecting to monitor: 2016-10-12T11:40:25.253691Z qemu-kvm: -drive file=/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/caf230c-fa73-4022-9750-e5094669454d/images/decd47e0-5ab9-48ef-93be-32f07af93eb0/2701cea5-6bb5-435d-9403-2343f43a914b,if=none,id=drive-virtio-disk0,format=qcow2,serial=decd47e0-5ab9-48ef-93be-32f07af93eb0,cache=none,werror=stop,rerror=sto,aio=native: Could not open '/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/decd47e0-5ab9-48ef-93be-32f07af93eb0/2701cea5-6bb5-435d-9403-2343f43a914b': Permission denied
Oct 12 14:45:32 node69-06 chronyd[1232]: Can't synchronise: no majority
2. And now with SELinux enabled on old host i can't start new VM on it. This error appear
Oct 12 14:58:47 node69-02 journal: internal error: process exited while connecting to monitor: 2016-10-12T11:58:47.441275Z qemu-kvm: -drive file=/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/71f18680-1b93-4a2a-9bd1-95baeccf2d89/a3f29de7-c6b9-410e-b635-9b3016da7ba2,if=none,id=drive-virtio-disk0,format=qcow2,serial=71f18680-1b93-4a2a-9bd1-95baeccf2d89,cache=none,werror=stop,rerror=stop,aio=native: Could not open '/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/71f18680-1b93-4a2a-9bd1-95baeccf2d89/a3f29de7-c6b9-410e-b635-9b3016da7ba2': Permission denied
Oct 12 14:58:47 node69-02 journal: vdsm vm.Vm ERROR vmId=`1a5de4ea-bd18-4170-b26d-1678a0cfe178`::The vm start process failed#012Traceback (most recent call last):#012 File "/usr/share/vdsm/virt/vm.py", line 2298, in _startUnderlyingVm#012 self._run()#012 File "/usr/share/vdsm/virt/vm.py", line 3363, in _run#012 self._connection.createXML(domxml, flags),#012 File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 119, in wrapper#012 ret = f(*args, **kwargs)#012 File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3611, in createXML#012 if ret is None:raise libvirtError('virDomainCreateXML() failed', conn=self)#012libvirtError: internal error: process exited while connecting to monitor: 2016-10-12T11:58:47.441275Z qemu-kvm: -drive file=/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/71f18680-1b93-4a2a-9bd1-95baeccf2d89/a3f29de7-c6b9-410e-b635-9b3016da7ba2,if=none,id=drive-virtio-disk0,format=qcow2,serial=71f18680-1b93-4a2a-9bd1-95baeccf2d89,cache=none,werror=stop,rerror=stop,aio=native: Could not open '/rhev/data-center/49ad3f2b-696e-4356-b44f-204aafbdda4e/dcaf230c-fa73-4022-9750-e5094669454d/images/71f18680-1b93-4a2a-9bd1-95baeccf2d89/a3f29de7-c6b9-410e-b635-9b3016da7ba2': Permission denied
3. Then I setenforce=0 on node69-02 and trying to start VM. VM was started with no errors.
After I Migrate this VM to node69-06 (with SELinux enabled). VM was migrated with no errors.
And then this VM was moved back to node69-02 with no errors.