Table of Contents

Cassandra Checks

Check that both Cassandras on the TSN are up. The first command in the Actions column checks the on-disk Cassandra, while the second command checks the ramdisk Cassandra.

Check

Actions

Expected Result

Check Cassandra services are running

systemctl status cassandra
systemctl status cassandra-ramdisk

Both services should be listed as active (running).

Check Cassandra is accepting client connections

cqlsh
cqlsh <signaling IP address> 19042

Both commands should start up the cqlsh prompt. There should be no connection errors reported.

Check that Cassandra is connected to the other Cassandras in the cluster

nodetool status
nodetool status -p 17199

All of the TSNs in the same cluster should be listed here. The status of all of the nodes should be UN.
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