Removing all Cassandra or DataStax Enterprise files after failed provisioning
After a failed attempt to provision a node or a cluster, you must remove all traces of Cassandra or DataStax Enterprise packages from the affected nodes before retrying provisioning.
After a failed attempt to provision a node or a cluster, you must remove all traces of Cassandra or DataStax Enterprise packages from the affected nodes. Use the following script to remove all packages from the node.
- Log into each node and run the following BASH script on each node using sudo.
- Copy, paste, and run the script from the command line. Save the script to a local file
and copy to each node to run from the command
line.
#!/bin/bash # Stop services /etc/init.d/cassandra stop /etc/init.d/dse stop /etc/init.d/datastax-agent stop # Remove packages PACKAGES=(dsc dsc1.1 dsc12 cassandra apache-cassandra1 dsc-demos \ dse-libspark \ dse dse-libhadoop-native dse-libhadoop dse-libcassandra dse-hive dse-libhive dse-pig \ dse-libpig dse-demos dse-libsqoop dse-libtomcat dse-liblog4j dse-libsolr dse-libmahout dse-full) DEB_PACKAGES=(python-cql python-thrift-basic) RPM_PACKAGES=(python26-cql python26-thrift) if [ `which dpkg` ]; then PLIST=(${PACKAGES[@]} ${DEB_PACKAGES[@]}) dpkg -P ${PLIST[*]} rm -rf /etc/apt/sources.list.d/datastax.list else PLIST=(${PACKAGES[@]} ${RPM_PACKAGES[@]}) yum -y remove ${PLIST[*]} rm -rf /etc/yum.repos.d/datastax.repo fi # Cleanup log and configuration files rm -rf /var/lib/cassandra/* /var/log/{cassandra,hadoop,hive,pig}/* /etc/{cassandra,dse}/* \ /usr/share/{dse,dse-demos} /etc/default/{dse,cassandra}