OLVM - Creating a VM from Snapshot Takes Forever
(Doc ID 2735388.1)
Last updated on OCTOBER 22, 2023
Applies to:
Linux OS - Version Oracle Linux 7.9 with Unbreakable Enterprise Kernel [5.4.17] and laterx86_64
Symptoms
When trying to Create a VM from a snapshot the task runs for more than 1 hour and still hasn't finished. Quite a lot of below errors can be seen in engine.log,
2020-11-16 01:20:23,664-05 ERROR [org.ovirt.engine.core.vdsbroker.VdsManager] (EE-ManagedThreadFactory-engineScheduled-Thread-88) [] Timer update runtime info failed. Exception:
2020-11-16 01:20:23,665-05 ERROR [org.ovirt.engine.core.vdsbroker.VdsManager] (EE-ManagedThreadFactory-engineScheduled-Thread-74) [] Timer update runtime info failed. Exception:
2020-11-16 01:20:23,665-05 ERROR [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (EE-ManagedThreadFactory-engineScheduled-Thread-81) [] Failure to refresh host 'wfol7vms48' runtime info: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/ENGINEDataSource
2020-11-16 01:20:23,665-05 WARN [org.ovirt.engine.core.vdsbroker.VdsManager] (EE-ManagedThreadFactory-engineScheduled-Thread-81) [] Failed to refresh VDS , vds = 'wfol7vms48' : 'f4731615-8ecd-49c1-930c-ccf06ec88735', error = 'Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/ENGINEDataSource', continuing.
2020-11-16 01:20:23,665-05 ERROR [org.ovirt.engine.core.vdsbroker.VdsManager] (EE-ManagedThreadFactory-engineScheduled-Thread-81) [] Exception: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/ENGINEDataSource
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81) [spring-jdbc.jar:5.0.4.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:600) [spring-jdbc.jar:5.0.4.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:657) [spring-jdbc.jar:5.0.4.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:688) [spring-jdbc.jar:5.0.4.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:741) [spring-jdbc.jar:5.0.4.RELEASE]
at org.ovirt.engine.core.dal.dbbroker.PostgresDbEngineDialect$PostgresSimpleJdbcCall.executeCallInternal(PostgresDbEngineDialect.java:152) [dal.jar:]
Changes
Creating VM from a snapshot
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |