VCS (Veritas Cluster Server) and RHCS (Red Hat Cluster Suite) are well known and widely used cluster software. This simple sheet reports the most important differences between them.
![]() VCS Veritas Cluster Server | ![]() RHCS Red Hat Cluster Suite | |
Cluster status | hastatus -sum | clustat |
Start service | hagrp -online service -sys node | clusvcadm -e service |
Stop service | hagrp -offline service -sys node | clusvcadm -d service |
Switch service | hagrp -switch service -to node | clusvcadm -m node -r service |
Freeze/Lock Unfreeze/Unlock | hagrp -freeze service hagrp -unfreeze service | clusvcadm -l clusvcadm -u |
Stop cluster | hastop -all | clushutdown |
Show configuration | hasys -display hagrp -display hares -display | more /etc/cluster/cluster.conf |
Configuration Files (Format) | /etc/VRTSvcs/conf/config/main.cf (Proprietary, text) | /etc/cluster/cluster.conf (XML) |
Logging | halog -info ; more log_file | more /var/log/messages |
HB/CM status | lltstat -nvv | cman_tool status |
Terminology (sample status) | system [resource] group resource system list system state (online offline faulted) group state (online offline partial) resource state (online offline faulted) | member service -NA- failover domain member status (online offline faulted) service status (started stopped disabled failed) -NA- |
Title: VCS vs RHCS - Cluster Commands Comparison Sheet
Date: 31 September 2009
Version: 1.0.2 - 31 November 2009
Author: mail@meo.bogliolo.name