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OnCommand Insight Performance fails on multiple data sources due to Casandra challenges

Last Updated:

Applies to

  • OnCommand Insight (OCI) 7.x
  • OnCommand Insight 7.2.x


OnCommand Insight performance acquisition fails for all data sources simultaneously.

In order to confirm this issue, the following error/errors is displayed in the following logs in the path:

%SANscreen_Home%\jboss\server\onaro\log Directory.



Cassandra timeout during write query at consistency ONE (1 replica were required but only 0 acknowledged the write)

at com.datastax.driver.core.exceptions.WriteTimeoutException.copy(

at com.datastax.driver.core.DefaultResultSetFuture.extractCauseFromExecutionException(

at com.datastax.driver.core.DefaultResultSetFuture.getUninterruptibly(

at com.netapp.oci.cassandra.CassandraClient.execute(

at com.netapp.oci.cassandra.CassandraClient.set(



ERROR [DSM-pool-2-thread-149/Jade_Pearl [storageperformance]] com.netapp.oci.platform.common.interfaces.session.SessionCache ( - Session Cache - Failed to communicate with the server ( PerformanceApiRemote) - unrecoverable error: Failed to store performance samples for dataSource: #, type: storage, key: [KEY_ID_NUMBER] cause: class com.datastax.driver.core.exceptions.ReadTimeoutException:Cassandra timeout during read query at consistency ONE (1 responses were required but only 0 replica responded

Caused by: com.datastax.driver.core.exceptions.ReadTimeoutException: Cassandra timeout during read query at consistency ONE (1 responses were required but only 0 replica responded)



WARN [SharedPool-Worker-2] 2016- - Uncaught exception on thread Thread[SharedPool-Worker-2,5,main]

:java.lang.RuntimeException: Corrupted:C:Program Files/SANscreen/cassandra/var/lib/cassandra/data/oci/general-fffffffffffffffffffffffffffffffffffffffffffffffflb-1-big-Data.db

Caused by: Corrupted: C:Program FilesSANscreencassandravarlibcassandradataocigeneral-fffffffffffffffffffffffffffffffffffffffffffffffflb-1-big-Data


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