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

[Alexander Wels]

On Monday, April 30, 2018 10:35:13 AM EDT Lionel Caignec wrote:
> Ok thank you for this explanation it seems logical.
> 
> Where can i modify this settings? Posgres configuration or in the database?
> 

postgresql configuration, its a 100 by default. You can either increase that 
number to something higher, or see if you can understand what is using up the 
connections.

> ----- Mail original -----
> De: "Alexander Wels" <awels at redhat.com>
> À: "users" <users at ovirt.org>
> Cc: "Lionel Caignec" <caignec at cines.fr>
> Envoyé: Lundi 30 Avril 2018 15:58:42
> Objet: Re: [ovirt-users] Unable to activate host after 4.2 upgrade
> 
> 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 4372
> > 6
> > 09f[state=NORMAL managed
> > connection=org.jboss.jca.adapters.jdbc.local.LocalManagedConnection at 688b13
> > 2
> > 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=ENGIN
> > E
> > 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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