try {
cluster.waitActive();
addCrmThreads(cluster, crmThreads);
cluster.transitionToActive(0);
addCrmThreads(cluster, crmThreads);
cluster.transitionToActive(0);
addCrmThreads(cluster, crmThreads);
cluster.transitionToStandby(0);
addCrmThreads(cluster, crmThreads);
cluster.transitionToStandby(0);
addCrmThreads(cluster, crmThreads);