Hi, Ruben!
Sorry, I didn’t find any dump file 
And here we go with logs 
oned.log:
Tue Jul 19 09:03:07 2016 [Z0][MKP][D]: Monitoring marketplace OpenNebula Public (0)
Tue Jul 19 09:03:09 2016 [Z0][MKP][D]: Marketplace OpenNebula Public (0) successfully monitored.
Tue Jul 19 09:03:19 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:03:24 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:03:33 2016 [Z0][ReM][D]: Req:4000 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:03:33 2016 [Z0][ReM][D]: Req:4000 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:03:34 2016 [Z0][ReM][D]: Req:7200 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:03:34 2016 [Z0][ReM][D]: Req:7200 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:03:39 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:03:44 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:03:48 2016 [Z0][InM][D]: Monitoring datastore default (1)
Tue Jul 19 09:03:48 2016 [Z0][InM][D]: Monitoring datastore files (2)
Tue Jul 19 09:03:49 2016 [Z0][InM][D]: Monitoring datastore cephds (102)
Tue Jul 19 09:03:49 2016 [Z0][InM][D]: Monitoring datastore system_ceph (104)
Tue Jul 19 09:03:49 2016 [Z0][ImM][D]: Datastore default (1) successfully monitored.
Tue Jul 19 09:03:49 2016 [Z0][ImM][D]: Datastore files (2) successfully monitored.
Tue Jul 19 09:03:49 2016 [Z0][ImM][D]: Datastore system_ceph (104) successfully monitored.
Tue Jul 19 09:03:49 2016 [Z0][ImM][D]: Datastore cephds (102) successfully monitored.
Tue Jul 19 09:03:53 2016 [Z0][VMM][I]: --Mark–
Tue Jul 19 09:04:03 2016 [Z0][MKP][D]: Monitoring marketplace OpenNebula Public (0)
Tue Jul 19 09:04:04 2016 [Z0][ReM][D]: Req:4800 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:04:04 2016 [Z0][ReM][D]: Req:4800 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:04:04 2016 [Z0][ReM][D]: Req:8800 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:04:04 2016 [Z0][ReM][D]: Req:8800 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:04:04 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:04:04 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:04:24 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:04:24 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:04:33 2016 [Z0][ReM][D]: Req:5600 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:04:33 2016 [Z0][ReM][D]: Req:5600 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:04:34 2016 [Z0][ReM][D]: Req:2800 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:04:34 2016 [Z0][ReM][D]: Req:2800 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:04:44 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:04:44 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:04:46 2016 [Z0][InM][D]: Monitoring datastore default (1)
Tue Jul 19 09:04:46 2016 [Z0][InM][D]: Monitoring datastore files (2)
Tue Jul 19 09:04:46 2016 [Z0][InM][D]: Monitoring datastore cephds (102)
Tue Jul 19 09:04:46 2016 [Z0][InM][D]: Monitoring datastore system_ceph (104)
Tue Jul 19 09:04:47 2016 [Z0][ImM][D]: Datastore files (2) successfully monitored.
Tue Jul 19 09:04:47 2016 [Z0][ImM][D]: Datastore default (1) successfully monitored.
Tue Jul 19 09:04:47 2016 [Z0][ImM][D]: Datastore system_ceph (104) successfully monitored.
Tue Jul 19 09:04:47 2016 [Z0][ImM][D]: Datastore cephds (102) successfully monitored.
Tue Jul 19 09:05:00 2016 [Z0][MKP][D]: Monitoring marketplace OpenNebula Public (0)
Tue Jul 19 09:05:03 2016 [Z0][ReM][D]: Req:3200 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:05:03 2016 [Z0][ReM][D]: Req:3200 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:05:04 2016 [Z0][ReM][D]: Req:1200 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:05:04 2016 [Z0][ReM][D]: Req:1200 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:05:04 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:05:04 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:05:22 2016 [Z0][MKP][E]: Error parsing marketplace information: syntax error, unexpected VARIABLE, expecting EQUAL or EQUAL_EMPTY at line 2, columns 7:10. Monitoring information:86
Tue Jul 19 09:05:24 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:05:24 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:05:28 2016 [Z0][ImM][I]: --Mark–
Tue Jul 19 09:05:33 2016 [Z0][ReM][D]: Req:0 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:05:34 2016 [Z0][ReM][D]: Req:0 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:05:34 2016 [Z0][ReM][D]: Req:8000 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:05:34 2016 [Z0][ReM][D]: Req:8000 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:05:42 2016 [Z0][InM][D]: Monitoring datastore default (1)
Tue Jul 19 09:05:42 2016 [Z0][InM][D]: Monitoring datastore files (2)
Tue Jul 19 09:05:42 2016 [Z0][InM][D]: Monitoring datastore cephds (102)
Tue Jul 19 09:05:42 2016 [Z0][InM][D]: Monitoring datastore system_ceph (104)
Tue Jul 19 09:05:43 2016 [Z0][ImM][D]: Datastore system_ceph (104) successfully monitored.
Tue Jul 19 09:05:43 2016 [Z0][ImM][D]: Datastore default (1) successfully monitored.
Tue Jul 19 09:05:43 2016 [Z0][ImM][D]: Datastore files (2) successfully monitored.
Tue Jul 19 09:05:43 2016 [Z0][ImM][D]: Datastore cephds (102) successfully monitored.
Tue Jul 19 09:05:44 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:05:44 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
Tue Jul 19 09:05:56 2016 [Z0][MKP][D]: Monitoring marketplace OpenNebula Public (0)
Tue Jul 19 09:06:04 2016 [Z0][ReM][D]: Req:5200 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:06:04 2016 [Z0][ReM][D]: Req:5200 UID:0 VirtualMachinePoolInfo result SUCCESS, "<VM_POOL></VM_POOL>"
Tue Jul 19 09:06:04 2016 [Z0][ReM][D]: Req:5600 UID:0 VirtualMachinePoolInfo invoked , -2, -1, -1, -1
Tue Jul 19 09:06:04 2016 [Z0][ReM][D]: Req:5600 UID:0 VirtualMachinePoolInfo result SUCCESS, “<VM_POOL></VM_POOL>”
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: Command execution fail: /var/lib/one/remotes/market/one/monitor PE1BUktFVF9EUklWRVJfQUNUSU9OX0RBVEE+PE1BUktFVFBMQUNFPjxJRD4wPC9JRD48VUlEPjA8L1VJRD48R0lEPjA8L0dJRD48VU5BTUU+b25lYWRtaW48L1VOQU1FPjxHTkFNRT5vbmVhZG1pbjwvR05BTUU+PE5BTUU+T3Blbk5lYnVsYSBQdWJsaWM8L05BTUU+PE1BUktFVF9NQUQRVNDUklQVElPTj48TUFSS0VUX01BRD48IVtDREFUQVtvbmVdXT48L01BUktFVF9NQUQ+PC9URU1QTEFURT48L01BUktFVFBMQUNFPjwvTUFSS0VUX0RSSVZFUl9BQ1RJT05fREFUQT4= 0
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: /usr/share/ruby/net/protocol.rb:158:in rescue in rbuf_fill': Net::ReadTimeout (Net::ReadTimeout)_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/protocol.rb:152:in
rbuf_fill’
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/protocol.rb:134:in readuntil'_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/protocol.rb:144:in
readline’
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http/response.rb:39:in read_status_line'_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http/response.rb:28:in
read_new’
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http.rb:1406:in block in transport_request'_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http.rb:1403:in
catch’
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http.rb:1403:in transport_request'_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http.rb:1376:in
request’
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /var/lib/one/remotes/market/one/monitor:42:in block in get'_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http.rb:852:in
start’
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /usr/share/ruby/net/http.rb:582:in start'_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /var/lib/one/remotes/market/one/monitor:41:in
get’
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /var/lib/one/remotes/market/one/monitor:53:in get_appliances'_ _Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: from /var/lib/one/remotes/market/one/monitor:157:in
'
Tue Jul 19 09:06:04 2016 [Z0][MKP][I]: ExitCode: 1
Tue Jul 19 09:06:04 2016 [Z0][MKP][E]: Error monitoring datastore 0: -
Tue Jul 19 09:06:04 2016 [Z0][InM][D]: Host nebula-2 (1) successfully monitored.
Tue Jul 19 09:06:04 2016 [Z0][InM][D]: Host nebula-1 (0) successfully monitored.
SCHED.log:
Tue Jul 19 09:06:42 2016 [Z0][SCHED][I]: Starting Scheduler Daemon
----------------------------------------
_ Scheduler Configuration File_
----------------------------------------
DEFAULT_DS_SCHED=POLICY=1
DEFAULT_SCHED=POLICY=1
LIVE_RESCHEDS=0
LOG=DEBUG_LEVEL=3,SYSTEM=file
MAX_DISPATCH=30
MAX_HOST=1
MAX_VM=5000
MESSAGE_SIZE=1073741824
ONE_XMLRPC=http://localhost:2633/RPC2
SCHED_INTERVAL=30
TIMEOUT=60
----------------------------------------
Tue Jul 19 09:06:42 2016 [Z0][SCHED][I]: XML-RPC client using 1073741824 bytes for response buffer.
Tue Jul 19 09:06:42 2016 [Z0][SCHED][E]: Cannot contact oned, will retry… Error: HTTP POST to URL ‘http://localhost:2633/RPC2’ failed. libcurl failed even to execute the HTTP transaction, explaining: Failed connect to localhost:2633; Connection refused
messages log:
Jul 19 09:06:18 nebula-2 kernel: oned[30185]: segfault at 7f5068217000 ip 00007f50af55d138 sp 00007f5083ffe598 error 4 in libc-2.17.so[7f50af413000+1b7000]
Jul 19 09:06:18 nebula-2 systemd: opennebula.service: main process exited, code=killed, status=11/SEGV
Jul 19 09:06:18 nebula-2 systemd: opennebula.service: control process exited, code=exited status=1
Jul 19 09:06:18 nebula-2 systemd: Stopped Cluster Controlled opennebula.
Jul 19 09:06:18 nebula-2 systemd: Unit opennebula.service entered failed state.
Jul 19 09:06:18 nebula-2 systemd: opennebula.service failed.
Jul 19 09:06:18 nebula-2 systemd: Stopping OpenNebula Cloud Scheduler Daemon…
Jul 19 09:06:18 nebula-2 systemd: Stopped OpenNebula Cloud Scheduler Daemon.
Jul 19 09:06:35 nebula-2 systemd: Reloading.
Jul 19 09:06:35 nebula-2 systemd: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue ‘TasksMax’ in section 'Service’
Jul 19 09:06:35 nebula-2 systemd: [/usr/lib/systemd/system/ceph-mds@.service:18] Unknown lvalue ‘TasksMax’ in section 'Service’
Jul 19 09:06:35 nebula-2 systemd: [/usr/lib/systemd/system/ceph-mon@.service:24] Unknown lvalue ‘TasksMax’ in section 'Service’
Jul 19 09:06:35 nebula-2 systemd: Configuration file /usr/lib/systemd/system/auditd.service is marked world-inaccessible. This has no effect as configuration data is accessible via APIs without restrictions. Proceeding anyway.
Jul 19 09:06:35 nebula-2 systemd: Configuration file /usr/lib/systemd/system/opennebula.service is marked executable. Please remove executable permission bits. Proceeding anyway.
Jul 19 09:06:35 nebula-2 systemd: Configuration file /run/systemd/system/opennebula.service.d/50-pacemaker.conf is marked world-inaccessible. This has no effect as configuration data is accessible via APIs without restrictions. Proceeding anyway.
Jul 19 09:06:35 nebula-2 systemd: Configuration file /run/systemd/system/opennebula-sunstone.service.d/50-pacemaker.conf is marked world-inaccessible. This has no effect as configuration data is accessible via APIs without restrictions. Proceeding anyway.
Jul 19 09:06:35 nebula-2 systemd: Configuration file /usr/lib/systemd/system/opennebula-novnc.service is marked executable. Please remove executable permission bits. Proceeding anyway.
Jul 19 09:06:35 nebula-2 systemd: Stopping Cluster Controlled opennebula-sunstone…
Jul 19 09:06:36 nebula-2 ruby: == Sinatra has ended his set (crowd applauds)
Jul 19 09:06:36 nebula-2 ruby: Thin web server (v1.7.0 codename Dunder Mifflin)
Jul 19 09:06:36 nebula-2 ruby: Maximum connections set to 1024
Jul 19 09:06:36 nebula-2 ruby: Listening on 0.0.0.0:9869, CTRL+C to stop
Jul 19 09:06:36 nebula-2 ruby: Stopping …
Jul 19 09:06:36 nebula-2 systemd: Stopped Cluster Controlled opennebula-sunstone.
Jul 19 09:06:36 nebula-2 systemd: Stopping OpenNebula noVNC Server…
Jul 19 09:06:36 nebula-2 systemd: Stopped OpenNebula noVNC Server.
And here we can see that the Linux HA tried to restart OpenNebula but fails and for some reason it cannot migrate it on the other host (I guess because the process “oned” was killed by segfault and Resources Group just stopped all services except ClusterIP Address):
Jul 19 09:06:42 nebula-2 systemd: Starting Cluster Controlled opennebula…
Jul 19 09:06:42 nebula-2 systemd: Started Cluster Controlled opennebula.
Jul 19 09:06:42 nebula-2 systemd: Started OpenNebula Cloud Scheduler Daemon.
Jul 19 09:06:42 nebula-2 systemd: Starting OpenNebula Cloud Scheduler Daemon…
Jul 19 09:06:42 nebula-2 oned: Error: Cannot start oned, opening lock file /var/lock/one/one
Jul 19 09:06:42 nebula-2 systemd: opennebula.service: main process exited, code=exited, status=255/n/a
Jul 19 09:06:42 nebula-2 systemd: Stopping OpenNebula Cloud Scheduler Daemon…
Jul 19 09:06:42 nebula-2 systemd: opennebula.service: control process exited, code=exited status=1
Jul 19 09:06:42 nebula-2 systemd: Stopped Cluster Controlled opennebula.
Jul 19 09:06:42 nebula-2 systemd: Unit opennebula.service entered failed state.
Jul 19 09:06:42 nebula-2 systemd: opennebula.service failed.
Jul 19 09:06:42 nebula-2 systemd: Stopped OpenNebula Cloud Scheduler Daemon.
Regards,
Sola