[ovirt-users] Ovirt 4.2, failing to connect to VDSM.

[CRiMSON]

I did a quick upgrade this afternoon on a dev machine.

Jan 25 11:57:07 Updated: glusterfs-libs-3.12.5-2.el7.x86_64
Jan 25 11:57:08 Updated: glusterfs-client-xlators-3.12.5-2.el7.x86_64
Jan 25 11:57:08 Updated: glusterfs-3.12.5-2.el7.x86_64
Jan 25 11:57:09 Updated: kernel-ml-tools-libs-4.14.15-1.el7.elrepo.x86_64
Jan 25 11:57:09 Updated: kernel-ml-tools-4.14.15-1.el7.elrepo.x86_64
Jan 25 11:57:10 Updated: glusterfs-api-3.12.5-2.el7.x86_64
Jan 25 11:57:10 Updated: glusterfs-fuse-3.12.5-2.el7.x86_64
Jan 25 11:57:10 Updated: glusterfs-cli-3.12.5-2.el7.x86_64
Jan 25 11:57:11 Updated: python-perf-4.14.15-1.el7.elrepo.x86_64
Jan 25 11:57:37 Installed: kernel-ml-devel-4.14.15-1.el7.elrepo.x86_64
Jan 25 11:57:39 Updated: kernel-ml-headers-4.14.15-1.el7.elrepo.x86_64
Jan 25 11:57:52 Installed: kernel-ml-4.14.15-1.el7.elrepo.x86_64
Jan 25 11:57:52 Updated:
rubygem-fluent-plugin-viaq_data_model-0.0.13-1.el7.noarch

This is all that was upgraded.

But now my storage domains are failing to come up and the host keeps saying
it's getting a connection refused. It's all on 1 host.

In mom.log I see.

2018-01-25 17:10:49,929 - mom - INFO - MOM starting
2018-01-25 17:10:49,955 - mom.HostMonitor - INFO - Host Monitor starting
2018-01-25 17:10:49,955 - mom - INFO - hypervisor interface vdsmjsonrpcbulk
2018-01-25 17:10:50,013 - mom.vdsmInterface - ERROR - Cannot connect to
VDSM! [Errno 111] Connection refused
2018-01-25 17:10:50,013 - mom - ERROR - Failed to initialize MOM threads
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/mom/__init__.py", line 29, in run
    hypervisor_iface = self.get_hypervisor_interface()
  File "/usr/lib/python2.7/site-packages/mom/__init__.py", line 217, in
get_hypervisor_interface
    return module.instance(self.config)
  File
"/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/vdsmjsonrpcbulkInterface.py",
line 47, in instance
    return JsonRpcVdsmBulkInterface()
  File
"/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/vdsmjsonrpcbulkInterface.py",
line 29, in __init__
    super(JsonRpcVdsmBulkInterface, self).__init__()
  File
"/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/vdsmjsonrpcInterface.py",
line 43, in __init__
    .orRaise(RuntimeError, 'No connection to VDSM.')
  File "/usr/lib/python2.7/site-packages/mom/optional.py", line 28, in
orRaise
    raise exception(*args, **kwargs)
RuntimeError: No connection to VDSM.
[root at lv426 vdsm]#

My vdsm.log is 0 byes (nothing being logged?)

In my engine.log I'm seeing:

2018-01-25 17:12:11,027-05 INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to lv426.dasgeekhaus.org/127.0.0.1
2018-01-25 17:12:11,028-05 ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand]
(EE-ManagedThreadFactory-engineScheduled-Thread-99) [] Command
'GetCapabilitiesVDSCommand(HostName = lv426,
VdsIdAndVdsVDSCommandParametersBase:{hostId='a645af84-3da1-45ed-bab5-2af66b5924dd',
vds='Host[lv426,a645af84-3da1-45ed-bab5-2af66b5924dd]'})' execution failed:
java.net.ConnectException: Connection refused
2018-01-25 17:12:11,028-05 ERROR
[org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring]
(EE-ManagedThreadFactory-engineScheduled-Thread-99) [] Failure to refresh
host 'lv426' runtime info: java.net.ConnectException: Connection refused
2018-01-25 17:12:13,517-05 INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to lv426.dasgeekhaus.org/127.0.0.1
2018-01-25 17:12:13,517-05 ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
(EE-ManagedThreadFactory-engineScheduled-Thread-25) [] Command
'GetAllVmStatsVDSCommand(HostName = lv426,
VdsIdVDSCommandParametersBase:{hostId='a645af84-3da1-45ed-bab5-2af66b5924dd'})'
execution failed: java.net.ConnectException: Connection refused
2018-01-25 17:12:13,518-05 INFO
[org.ovirt.engine.core.vdsbroker.monitoring.PollVmStatsRefresher]
(EE-ManagedThreadFactory-engineScheduled-Thread-25) [] Failed to fetch vms
info for host 'lv426' - skipping VMs monitoring.

All of my network interfaces do come up ok, iptables is turned off so it's
not getting in the way.

I'm at a complete loss right now as to what to look at.
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