NetBackup status code: 3257
Message: Failed to stop Cassandra server.
Explanation: Failed to stop Cassandra server. The possible causes include the following:
The Cassandra Username or Password is invalid.
The cluster node is down.
The firewall on the cluster nodes port is not open.
Recommended Action: Verify that the nodes in the Cassandra cluster are up and in a normal state. Also, verify that the firewall settings on the cluster nodes are correct. Port 7000/9042 should be open.
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