After rebooting the manager VM, hosts are connecting/non responsive and data domains inactive. Here are the engine and vdsmd logs. Any ideas ?Engine logs :2017-05-11 17:28:09,302 WARN [org.ovirt.engine.core.dal.dbbroker.auditloghandling. AuditLogDirector] (DefaultQuartzScheduler5) [55f1aab5] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Failed to verify Power Management configuration for Host rhvserv-05.
2017-05-11 17:28:09,346 INFO [org.ovirt.engine.core.bll.HandleVdsVersionCommand] (DefaultQuartzScheduler5) [48bc69cd] Running command: HandleVdsVersionCommand internal: true. Entities affected : ID: 04565f10-9abf-4709-9445- 9dc6ed97e136 Type: VDS
2017-05-11 17:28:09,349 WARN [org.ovirt.engine.core.vdsbroker.VdsManager] (org.ovirt.thread.pool-6- thread-27) [639977e4] Host 'rhvserv-05' is not responding.
2017-05-11 17:28:09,364 WARN [org.ovirt.engine.core.dal.dbbroker.auditloghandling. AuditLogDirector] (org.ovirt.thread.pool-6- thread-27) [639977e4] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Host rhvserv-05 is not responding. Host cannot be fenced automatically because power management for the host is disabled.
2017-05-11 17:28:11,299 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler3) [c0e6a2e] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:11,299 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler3) [c0e6a2e] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:11,327 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:12,484 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker. GetHardwareInfoVDSCommand] (DefaultQuartzScheduler3) [c0e6a2e] START, GetHardwareInfoVDSCommand( HostName = rhvserv-05, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='04565f10-9abf-4709- 9445-9dc6ed97e136', vds='Host[rhvserv-05,04565f10- 9abf-4709-9445-9dc6ed97e136]'} ), log id: f807ece
2017-05-11 17:28:12,487 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker. GetHardwareInfoVDSCommand] (DefaultQuartzScheduler3) [c0e6a2e] FINISH, GetHardwareInfoVDSCommand, log id: f807ece
2017-05-11 17:28:12,532 INFO [org.ovirt.engine.core.bll.HandleVdsCpuFlagsOrClusterChan gedCommand] (DefaultQuartzScheduler3) [4e882ea0] Running command: HandleVdsCpuFlagsOrClusterChan gedCommand internal: true. Entities affected : ID: 04565f10-9abf-4709-9445- 9dc6ed97e136 Type: VDS
2017-05-11 17:28:12,539 INFO [org.ovirt.engine.core.bll.InitVdsOnUpCommand] (DefaultQuartzScheduler3) [75f25b35] Running command: InitVdsOnUpCommand internal: true. Entities affected : ID: 58f8df36-019f-02bc-00e7- 000000000023 Type: StoragePool
2017-05-11 17:28:12,545 INFO [org.ovirt.engine.core.bll.storage.pool. ConnectHostToStoragePoolServer sCommand] (DefaultQuartzScheduler3) [46cc3f58] Running command: ConnectHostToStoragePoolServer sCommand internal: true. Entities affected : ID: 58f8df36-019f-02bc-00e7- 000000000023 Type: StoragePool
2017-05-11 17:28:12,556 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker. ConnectStorageServerVDSCommand ] (DefaultQuartzScheduler3) [46cc3f58] START, ConnectStorageServerVDSCommand (HostName = rhvserv-05, StorageServerConnectionManagem entVDSParameters:{runAsync=' true', hostId='04565f10-9abf-4709- 9445-9dc6ed97e136', storagePoolId='58f8df36-019f- 02bc-00e7-000000000023', storageType='ISCSI', connectionList='[ StorageServerConnections:{id=' 10c0528b-f08d-4d1d-8c63- 8a05fd9d58b9', connection='10.35.21.1', iqn='iqn.1984-05.com.dell: powervault.md3200i. 6782bcb00073e332000000004edde1 64', vfsType='null', mountOptions='null', nfsVersion='null', nfsRetrans='null', nfsTimeo='null', iface='null', netIfaceName='null'}]'}), log id: 1beb27b6
2017-05-11 17:28:13,031 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker. ConnectStorageServerVDSCommand ] (DefaultQuartzScheduler3) [46cc3f58] FINISH, ConnectStorageServerVDSCommand , return: {10c0528b-f08d-4d1d-8c63- 8a05fd9d58b9=0}, log id: 1beb27b6
2017-05-11 17:28:13,032 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker. ConnectStorageServerVDSCommand ] (DefaultQuartzScheduler3) [46cc3f58] START, ConnectStorageServerVDSCommand (HostName = rhvserv-05, StorageServerConnectionManagem entVDSParameters:{runAsync=' true', hostId='04565f10-9abf-4709- 9445-9dc6ed97e136', storagePoolId='58f8df36-019f- 02bc-00e7-000000000023', storageType='NFS', connectionList='[ StorageServerConnections:{id=' e604d0d2-0810-4c25-b9ed- 610f9923cb1a', connection='nfsserv-01:/nfs/ export', iqn='null', vfsType='null', mountOptions='null', nfsVersion='V3', nfsRetrans='null', nfsTimeo='null', iface='null', netIfaceName='null'}, StorageServerConnections:{id=' 2c1aba4b-786b-4c76-a02f- d9e09e8afff4', connection='nfsserv-01:/nfs/ iso', iqn='null', vfsType='null', mountOptions='null', nfsVersion='V3', nfsRetrans='null', nfsTimeo='null', iface='null', netIfaceName='null'}]'}), log id: 15c54cd7
2017-05-11 17:28:14,301 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:14,304 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler1) [62006eaa] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:14,304 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler1) [62006eaa] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:14,334 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler7) [1efe65a7] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-04, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='0d0cd690-b64a-42bb- a167-43fcedd634e4', vds='Host[rhvserv-04,0d0cd690- b64a-42bb-a167-43fcedd634e4]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:14,334 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler7) [1efe65a7] Failure to refresh host 'rhvserv-04' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:17,308 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:17,336 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:17,340 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler4) [] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-04, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='0d0cd690-b64a-42bb- a167-43fcedd634e4', vds='Host[rhvserv-04,0d0cd690- b64a-42bb-a167-43fcedd634e4]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:17,340 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler4) [] Failure to refresh host 'rhvserv-04' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:20,315 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler1) [62006eaa] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:20,315 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler1) [62006eaa] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:20,343 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:23,316 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:23,325 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler4) [] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:23,325 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler4) [] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:23,348 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler7) [1efe65a7] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-04, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='0d0cd690-b64a-42bb- a167-43fcedd634e4', vds='Host[rhvserv-04,0d0cd690- b64a-42bb-a167-43fcedd634e4]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:23,348 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler7) [1efe65a7] Failure to refresh host 'rhvserv-04' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:26,329 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:26,350 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:26,354 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler7) [1efe65a7] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-04, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='0d0cd690-b64a-42bb- a167-43fcedd634e4', vds='Host[rhvserv-04,0d0cd690- b64a-42bb-a167-43fcedd634e4]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:26,354 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler7) [1efe65a7] Failure to refresh host 'rhvserv-04' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:29,335 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler4) [] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:29,335 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler4) [] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:29,356 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:32,337 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:32,340 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler10) [] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:32,340 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler10) [] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:32,362 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler9) [4cf3eed0] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-04, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='0d0cd690-b64a-42bb- a167-43fcedd634e4', vds='Host[rhvserv-04,0d0cd690- b64a-42bb-a167-43fcedd634e4]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:32,362 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler9) [4cf3eed0] Failure to refresh host 'rhvserv-04' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:35,342 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:35,370 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:38,349 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler7) [1efe65a7] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:38,349 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler7) [1efe65a7] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:38,374 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler4) [] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-04, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='0d0cd690-b64a-42bb- a167-43fcedd634e4', vds='Host[rhvserv-04,0d0cd690- b64a-42bb-a167-43fcedd634e4]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:38,375 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler4) [] Failure to refresh host 'rhvserv-04' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:41,352 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:41,354 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler9) [4cf3eed0] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027- 8e90-49c0-8ca5-3ddb8d586916]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:41,354 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler9) [4cf3eed0] Failure to refresh host 'rhvserv-03' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:41,377 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:41,380 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler7) [1efe65a7] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-04, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='0d0cd690-b64a-42bb- a167-43fcedd634e4', vds='Host[rhvserv-04,0d0cd690- b64a-42bb-a167-43fcedd634e4]'} )' execution failed: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:41,380 ERROR [org.ovirt.engine.core.vdsbroker.monitoring. HostMonitoring] (DefaultQuartzScheduler7) [1efe65a7] Failure to refresh host 'rhvserv-04' runtime info: org.ovirt.vdsm.jsonrpc.client. ClientConnectionException: Connection failed
2017-05-11 17:28:44,358 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-03.mydomain.com/192. 168.93.213
2017-05-11 17:28:44,382 INFO [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to rhvserv-04.mydomain.com/192. 168.93.214
2017-05-11 17:28:47,362 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker. GetCapabilitiesVDSCommand] (DefaultQuartzScheduler1) [62006eaa] Command 'GetCapabilitiesVDSCommand( HostName = rhvserv-03, VdsIdAndVdsVDSCommandParameter sBase:{runAsync='true', hostId='4036f027-8e90-49c0- 8ca5-3ddb8d586916', vds='Host[rhvserv-03,4036f027-