[ovirt-users] Unable to activate host after 4.2 upgrade

[Alexander Wels]

On Monday, April 30, 2018 9:49:16 AM EDT Lionel Caignec wrote:
> Hi,
> 
> finally after one more try of reinstallation server is now "operrational"
> really does not understande what happen :(.
> 
> Lionel.
> 

According to that exception there was an issue connecting to the engine 
database to retrieve some network related information, which in turn resulted 
in the host going non operational. I would check the engine.log in /var/log/
ovirt-engine on the engine machine to see if there is more information on why 
the connection failed. Depending on how many concurrent connections are being 
used it is possible none were available when you tried. Now whatever was using 
the connections has stopped using them, and they were available again.

Try increasing the number of connections available in the postgres 
configuration to solve the problem.

> ----- Mail original -----
> De: "Lionel Caignec" <caignec at cines.fr>
> À: "users" <users at ovirt.org>
> Envoyé: Lundi 30 Avril 2018 15:14:36
> Objet: [ovirt-users] Unable to activate host after 4.2 upgrade
> 
> Hi,
> 
> i've upgraded my ovirt installation from 4.1.x to 4.2..
> But i have problem with one host. Ovirt said some mandatory network missing,
> but when i look into network configuration all Physical Card are in RED
> marked down. But my network is fully operrationnal (can ping).
> 
> I tried to remove all vdsm relative package and reinstall it manually --> KO
> I tried to remove host from ovirt, and reinstall it --> KO
> 
> On "setup host networks" screen all my card indicate "Link Layer
> Information" not available.
> 
> 
> Here is the log seems to be relevant (engine.log) :
> 2018-04-30 15:05:05,053+02 ERROR
> [org.ovirt.engine.core.bll.SetNonOperationalVdsCommand]
> (EE-ManagedThreadFactory-engineScheduled-Thread-39) [6372dfc8] Host
> 'dwalin.cines.fr' is set to Non-Operational, it is missing the following
> networks:
> 'dmz_interne,dmz_interne_adm,dns_interne,echange,echange_adm,ldap_interne,p
> allas_serv,pallas_serv_adm,securite,securite_adm,tiamat' 2018-04-30
> 15:05:05,079+02 WARN 
> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
> (EE-ManagedThreadFactory-engineScheduled-Thread-39) [6372dfc8] EVENT_ID:
> VDS_SET_NONOPERATIONAL_NETWORK(519), Host dwalin.cines.fr does not comply
> with the cluster Private networks, the following networks are missing on
> host:
> 'dmz_interne,dmz_interne_adm,dns_interne,echange,echange_adm,ldap_interne,p
> allas_serv,pallas_serv_adm,securite,securite_adm,tiamat' 2018-04-30
> 15:05:05,085+02 ERROR [org.ovirt.engine.core.bll.job.ExecutionHandler]
> (EE-ManagedThreadFactory-engineScheduled-Thread-39) [6372dfc8] Exception:
> org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get
> JDBC Connection; nested exception is java.sql.SQLException:
> javax.resource.ResourceException: IJ000457: Unchecked throwable in
> managedConnectionReconnected()
> cl=org.jboss.jca.core.connectionmanager.listener.TxConnectionListener at 43726
> 09f[state=NORMAL managed
> connection=org.jboss.jca.adapters.jdbc.local.LocalManagedConnection at 688b132
> 3 connection handles=0 lastReturned=1525093505080
> lastValidated=1525093160840 lastCheckedOut=1525093505059 trackByTx=false
> pool=org.jboss.jca.core.connectionmanager.pool.strategy.OnePool at 1d01224a
> mcp=SemaphoreConcurrentLinkedQueueManagedConnectionPool at bd7a6f0[pool=ENGINE
> DataSource]
> xaResource=LocalXAResourceImpl at 3343607b[connectionListener=4372609f
> connectionManager=36e47d0e warned=false currentXid=null
> productName=PostgreSQ L productVersion=9.5.9
> jndiName=java:/ENGINEDataSource] txSync=null] (...)
> 
> 
> Now i really does know what to do.
> 
> Someone have an idea?
> 
> Thank you.
> 
> --
> Lionel
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