[ovirt-users] VDSM Won't Start

[Simone Tiraboschi]

On Wed, Apr 13, 2016 at 1:06 PM, Charles Tassell <ctassell at gmail.com> wrote:
> Hi Everyone,
>
>   I'm having an issue with one of my hosts.  I was performing a yum update
> when the box crashed and rebooted, which left a lot of packages broken.  I
> resolved the issue by running "yum reinstall" on all the packages that were
> in the update, but since then VDSM won't start.  I can't find any error
> message as to why it won't start, just that it won't.  IE, I see this in
> /var/log/messages:
>
> Apr 13 07:57:09 ovirt-01 ovirt-ha-agent:
> WARNING:ovirt_hosted_engine_ha.agent.agent.Agent:Restarting agent, attempt
> '5'
> Apr 13 07:57:09 ovirt-01 ovirt-ha-agent:
> INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine:Found
> certificate common name: ovirt-01.local.domain
> Apr 13 07:57:09 ovirt-01 ovirt-ha-agent:
> INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine:Initializing
> VDSM
> Apr 13 07:57:09 ovirt-01 journal: ovirt-ha-agent
> ovirt_hosted_engine_ha.agent.agent.Agent ERROR Service vdsmd is not running
> and the admin is responsible for starting it. Waiting...
> Apr 13 07:57:09 ovirt-01 ovirt-ha-agent:
> ERROR:ovirt_hosted_engine_ha.agent.agent.Agent:Service vdsmd is not running
> and the admin is responsible for starting it. Waiting...
>
> And this in /var/log/vdsmd/mom.log (vdsmd.log is a 0 byte file)
>
> 2016-04-13 07:58:07,958 - mom - INFO - MOM starting
> 2016-04-13 07:58:07,992 - mom.HostMonitor - INFO - Host Monitor starting
> 2016-04-13 07:58:07,992 - mom - INFO - hypervisor interface vdsmxmlrpc
> 2016-04-13 07:58:08,089 - mom.vdsmInterface - ERROR - Cannot connect to
> VDSM! [Errno 111] Connection refused
> 2016-04-13 07:58:08,090 - mom.GuestManager - INFO - Guest Manager starting:
> multi-thread
> 2016-04-13 07:58:08,105 - mom.Policy - INFO - Loaded policy '00-defines'
> 2016-04-13 07:58:08,109 - mom.vdsmInterface - ERROR - Cannot connect to
> VDSM! [Errno 111] Connection refused
> 2016-04-13 07:58:08,169 - mom.Policy - INFO - Loaded policy '02-balloon'
> 2016-04-13 07:58:08,263 - mom.Policy - INFO - Loaded policy '03-ksm'
> 2016-04-13 07:58:08,339 - mom.HostMonitor - INFO - HostMonitor is ready
> 2016-04-13 07:58:08,380 - mom.Policy - INFO - Loaded policy '04-cputune'
> 2016-04-13 07:58:08,381 - mom.PolicyEngine - INFO - Policy Engine starting
> 2016-04-13 07:58:08,383 - mom.RPCServer - INFO - Using unix socket
> /var/run/vdsm/mom-vdsm.sock
> 2016-04-13 07:58:08,383 - mom.RPCServer - INFO - RPC Server starting
> 2016-04-13 07:58:08,884 - mom.RPCServer - INFO - RPC Server ending
>
> Can anyone give me some ideas of how to debug this?  Or even some docs on
> how to properly remove the host from the manager app and re-register the
> guest to see if that fixes things up.

You can run hosted-engine --deploy again and choose to redeploy using
the same host-id: it will reconfigure VDSM for you.

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