[ovirt-users] WebAdmin is down, HostedEngine is up

[Logan Kuhn]

Yup, ovirttest1 ran out of disk space on Friday, we recovered it and
everything seemed completely normal.

the postgres service is down on the HEVM, but that is because it's on our
postgresql cluster, has been for weeks.  I can connect to it's database
from within the HEVM using the credentials stored at
/etc/ovirt-engine/engine.conf.d/10-setup-database.conf  I can tail the logs
on the postgres master and ovirt can and does connect to it.

However, trying from ovirttest1 I cannot connect to the engine database
using those same credentails, should I be able to?  It'd make sense to be
able to connect to it....

Logan

On Mon, Mar 20, 2017 at 10:14 AM, Alexander Wels <awels at redhat.com> wrote:

> On Monday, March 20, 2017 9:14:51 AM EDT Logan Kuhn wrote:
> > Starting at 1:09am on Saturday the Hosted Engine has been rebooting
> because
> > it failed it's liveliness check.  This is due to the webadmin not
> loading.
> > Nothing changed as far as I can tell on the engine since it's last
> > successful reboot on Friday afternoon.
> >
> > The engine, dwhd and httpd are all up and do not seem to be reporting
> > anything unusual in their respective logs.  The engine can talk to the
> > database as I can login using the credentials in /etc/ovirt-engine/
> engine.co
> > nf.d/10-setup-database.conf and the logs on the postgres server are
> showing
> > activity.
> >
> > I tried to run engine-setup but it says it's not in global maintenance
> even
> > though the hosted engine hosts agree that it is.  We are on version
> 4.0.6.3
> >
> > Server, engine and agent logs are attached
> >
> > Regards,
> > Logan
>
> Looking at our logs, it appears that on Friday one of your hosts ran out of
> disk space in its logs or temp directory. At which point connectivity
> started
> to be spotty. I see a bunch of attempts to migrate VMs away from that host
> (ovirttest1). All of them fail. That repeats a ton of times, I forwarded to
> Saturday where it appears you had a bunch of stale locks which also
> repeates a
> bunch of time until the engine VM gets restarted.
>
> Then I see nothing but restarts of the engine and no apparent errors in the
> engine log.
>
> The server log does however reveal this:
> 2017-03-20 07:04:27,282 ERROR [org.quartz.core.ErrorLogger]
> (QuartzOvirtDBScheduler_QuartzSchedulerThread) An error occurred while
> scanning for the next triggers to fire.: org.quartz.
> JobPersistenceException:
> Failed to obtain DB connection from data source 'NMEngineDS':
> java.sql.SQLException: Could not retrieve datasource via JNDI url 'java:/
> ENGINEDataSourceNoJTA' java.sql.SQLException:
> javax.resource.ResourceException: IJ000470: You are trying to use a
> connection
> factory that has been shut down: java:/ENGINEDataSourceNoJTA [See nested
> exception: java.sql.SQLException: Could not retrieve datasource via JNDI
> url
> 'java:/ENGINEDataSourceNoJTA' java.sql.SQLException:
> javax.resource.ResourceException: IJ000470: You are trying to use a
> connection
> factory that has been shut down: java:/ENGINEDataSourceNoJTA]
>         at
> org.quartz.impl.jdbcjobstore.JobStoreCMT.getNonManagedTXConnection(
> JobStoreCMT.java:
> 168) [quartz.jar:]
>         at
> org.quartz.impl.jdbcjobstore.JobStoreSupport.executeInNonManagedTXLock(
> JobStoreSupport.java:
> 3807) [quartz.jar:]
>         at
> org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTriggers(
> JobStoreSupport.java:
> 2751) [quartz.jar:]
>         at org.quartz.core.QuartzSchedulerThread.run(
> QuartzSchedulerThread.java:
> 264) [quartz.jar:]
> Caused by: java.sql.SQLException: Could not retrieve datasource via JNDI
> url
> 'java:/ENGINEDataSourceNoJTA' java.sql.SQLException:
> javax.resource.ResourceException: IJ000470: You are trying to use a
> connection
> factory that has been shut down: java:/ENGINEDataSourceNoJTA
>         at
> org.quartz.utils.JNDIConnectionProvider.getConnection(
> JNDIConnectionProvider.java:
> 163) [quartz.jar:]
>         at
> org.quartz.utils.DBConnectionManager.getConnection(
> DBConnectionManager.java:
> 108) [quartz.jar:]
>         at
> org.quartz.impl.jdbcjobstore.JobStoreCMT.getNonManagedTXConnection(
> JobStoreCMT.java:
> 165) [quartz.jar:]
>         ... 3 more
>
> Is your postgresql service running? That is the most likely source of the
> engine not coming up.
>
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