Hi! I'm having trouble with a 2 nodes cluster used for DRBD / Apache / Samba and some other services.
Whatever I do, it always goes to the following state: Last updated: Fri Oct 14 17:41:38 2016 Last change: Thu Oct 13 10:42:29 2016 via cibadmin on bzvairsvr Stack: corosync Current DC: bzvairsvr (168430081) - partition with quorum Version: 1.1.8-9.mga5-394e906 2 Nodes configured, unknown expected votes 13 Resources configured. Online: [ bzvairsvr bzvairsvr2 ] Master/Slave Set: drbdservClone [drbdserv] Slaves: [ bzvairsvr bzvairsvr2 ] Clone Set: fencing [st-ssh] Started: [ bzvairsvr bzvairsvr2 ] When I reboot bzvairsvr2 this one goes primary again. But after a while becomes secondary also. I use a very basic fencing system based on ssh. It's not optimal but enough for the current tests. Here are information about the configuration: node 168430081: bzvairsvr node 168430082: bzvairsvr2 primitive apache apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op start interval=0 timeout=120s \ op stop interval=0 timeout=120s primitive clusterip IPaddr2 \ params ip=192.168.100.1 cidr_netmask=24 nic=eno1 \ meta target-role=Started primitive clusterroute Route \ params destination="0.0.0.0/0" gateway=192.168.100.254 primitive drbdserv ocf:linbit:drbd \ params drbd_resource=server \ op monitor interval=30s role=Slave \ op monitor interval=29s role=Master start-delay=30s primitive fsserv Filesystem \ params device="/dev/drbd/by-res/server" directory="/Server" fstype=ext4 \ op start interval=0 timeout=60s \ op stop interval=0 timeout=60s \ meta target-role=Started primitive libvirt-guests systemd:libvirt-guests primitive libvirtd systemd:libvirtd primitive mysql systemd:mysqld primitive named systemd:named primitive samba systemd:smb primitive st-ssh stonith:external/ssh \ params hostlist="bzvairsvr bzvairsvr2" group iphd clusterip clusterroute \ meta target-role=Started group services libvirtd libvirt-guests apache named mysql samba \ meta target-role=Started ms drbdservClone drbdserv \ meta master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 notify=true target-role=Started clone fencing st-ssh colocation fs_on_drbd inf: fsserv drbdservClone:Master colocation iphd_on_services inf: iphd services colocation services_on_fsserv inf: services fsserv order fsserv-after-drbdserv inf: drbdservClone:promote fsserv:start order services_after_fsserv inf: fsserv services property cib-bootstrap-options: \ dc-version=1.1.8-9.mga5-394e906 \ cluster-infrastructure=corosync \ no-quorum-policy=ignore \ stonith-enabled=true \ cluster logs are flooded by : Oct 14 17:42:28 [3445] bzvairsvr attrd: notice: attrd_trigger_update: Sending flush op to all hosts for: master-drbdserv (10000) Oct 14 17:42:28 [3445] bzvairsvr attrd: notice: attrd_perform_update: Sent update master-drbdserv=10000 failed: Transport endpoint is not connected Oct 14 17:42:28 [3445] bzvairsvr attrd: notice: attrd_perform_update: Sent update -107: master-drbdserv=10000 Oct 14 17:42:28 [3445] bzvairsvr attrd: warning: attrd_cib_callback: Update master-drbdserv=10000 failed: Transport endpoint is not connected Oct 14 17:42:59 [3445] bzvairsvr attrd: notice: attrd_trigger_update: Sending flush op to all hosts for: master-drbdserv (10000) Oct 14 17:42:59 [3445] bzvairsvr attrd: notice: attrd_perform_update: Sent update master-drbdserv=10000 failed: Transport endpoint is not connected Oct 14 17:42:59 [3445] bzvairsvr attrd: notice: attrd_perform_update: Sent update -107: master-drbdserv=10000 Oct 14 17:42:59 [3445] bzvairsvr attrd: warning: attrd_cib_callback: Update master-drbdserv=10000 failed: Transport endpoint is not connected And here is dmesg [34067.547147] block drbd0: peer( Secondary -> Primary ) [34091.023206] block drbd0: peer( Primary -> Secondary ) [34096.616319] drbd server: peer( Secondary -> Unknown ) conn( Connected -> TearDown ) pdsk( UpToDate -> DUnknown ) [34096.616353] drbd server: asender terminated [34096.616358] drbd server: Terminating drbd_a_server [34096.682874] drbd server: Connection closed [34096.682894] drbd server: conn( TearDown -> Unconnected ) [34096.682897] drbd server: receiver terminated [34096.682900] drbd server: Restarting receiver thread [34096.682902] drbd server: receiver (re)started [34096.682915] drbd server: conn( Unconnected -> WFConnection ) [34103.311898] drbd server: Handshake successful: Agreed network protocol version 101 [34103.311903] drbd server: Agreed to support TRIM on protocol level [34103.311997] drbd server: Peer authenticated using 20 bytes HMAC [34103.312046] drbd server: conn( WFConnection -> WFReportParams ) [34103.312062] drbd server: Starting asender thread (from drbd_r_server [4344]) [34103.380311] block drbd0: drbd_sync_handshake: [34103.380318] block drbd0: self 8B500BD87A5D76D4:0000000000000000:A1860E99AC8107A0:A1850E99AC8107A0 bits:0 flags:0 [34103.380323] block drbd0: peer 8B500BD87A5D76D4:0000000000000000:A1860E99AC8107A0:A1850E99AC8107A0 bits:0 flags:0 [34103.380327] block drbd0: uuid_compare()=0 by rule 40 [34103.380335] block drbd0: peer( Unknown -> Secondary ) conn( WFReportParams -> Connected ) pdsk( DUnknown -> UpToDate ) [34114.046443] bnx2x 0000:05:00.0 enp5s0f0: NIC Link is Down [34123.802580] drbd server: PingAck did not arrive in time. [34123.802617] drbd server: peer( Secondary -> Unknown ) conn( Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown ) [34123.802773] drbd server: asender terminated [34123.802777] drbd server: Terminating drbd_a_server [34123.932565] drbd server: Connection closed [34123.932585] drbd server: conn( NetworkFailure -> Unconnected ) [34123.932588] drbd server: receiver terminated [34123.932590] drbd server: Restarting receiver thread [34123.932592] drbd server: receiver (re)started [34123.932605] drbd server: conn( Unconnected -> WFConnection ) [34185.719207] bnx2x 0000:05:00.0 enp5s0f0: NIC Link is Up, 10000 Mbps full duplex, Flow control: ON - receive & transmit [34232.241599] bnx2x 0000:05:00.0 enp5s0f0: NIC Link is Down [34268.637861] bnx2x 0000:05:00.0 enp5s0f0: NIC Link is Up, 10000 Mbps full duplex, Flow control: ON - receive & transmit [34318.675122] drbd server: Handshake successful: Agreed network protocol version 101 [34318.675128] drbd server: Agreed to support TRIM on protocol level [34318.675218] drbd server: Peer authenticated using 20 bytes HMAC [34318.675258] drbd server: conn( WFConnection -> WFReportParams ) [34318.675276] drbd server: Starting asender thread (from drbd_r_server [4344]) [34318.738909] block drbd0: drbd_sync_handshake: [34318.738916] block drbd0: self 8B500BD87A5D76D4:0000000000000000:A1860E99AC8107A0:A1850E99AC8107A0 bits:0 flags:0 [34318.738921] block drbd0: peer 8B500BD87A5D76D4:0000000000000000:A1860E99AC8107A0:A1850E99AC8107A0 bits:0 flags:0 [34318.738924] block drbd0: uuid_compare()=0 by rule 40 [34318.738933] block drbd0: peer( Unknown -> Secondary ) conn( WFReportParams -> Connected ) pdsk( DUnknown -> UpToDate ) [34328.812317] block drbd0: peer( Secondary -> Primary ) [37316.065793] usb 3-11: USB disconnect, device number 3 [52246.642265] block drbd0: peer( Primary -> Secondary ) Any help would be appreciated Cheers -- Anne Nicolas http://mageia.org _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org