General troubleshooting steps

Basic troubleshooting for resolving provisioning errors include checking firewalls, logs, and prior installs.

Ensure firewalls are properly opened between the opscenterd machine and each node.

Check the following files on any of the nodes having problems for any errors:

/var/log/cassandra/system.log
/var/log/datastax-agent/agent.log

Verify that Cassandra (or DataStax Enterprise) was not previously installed on any of the machines; if it was, all binaries, configuration files, logs, etc. must be cleared out first.

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