Installation guide

54 Chapter 2. Red Hat Cluster Suite Component Summary
Function Components Description
Cluster
Configuration
System (CCS)
ccs_tool ccs_tool is part of the Cluster
Configuration System (CCS). It is
used to make online updates of
CCS configuration files.
Additionally, it can be used to
upgrade cluster configuration files
from CCS archives created with
GFS 6.0 (and earlier) to the XML
format configuration format used
with this release of Red Hat Cluster
Suite.
ccs_test Diagnostic and testing command
that is used to retrieve information
from configuration files through
ccsd.
ccsd CCS daemon that runs on all
cluster nodes and provides
configuration file data to cluster
software.
cluster.conf This is the cluster configuration
file. The full path is
/etc/cluster/cluster.conf.
Cluster Manager
(CMAN)
cman.ko The kernel module for CMAN.
cman_tool This is the administrative front end
to CMAN. It starts and stops
CMAN and can change some
internal parameters such as votes.
libcman.so.1.0.0 Library for programs that need to
interact with cman.ko.
Resource Group
Manager
(rgmanager)
clusvcadm Command used to manually
enable, disable, relocate, and
restart user services in a cluster
clustat Command used to display the
status of the cluster, including node
membership and services running.