Installation guide
Function Components Description
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.
dlm_controld Daemon started by cman init script to
manage dlm in kernel; not used by
user.
gfs_controld Daemon started by cman init script to
manage gfs in kernel; not used by
user.
group_tool Used to get a list of groups related to
fencing, DLM, GFS, and getting
debug information; includes what
cman_tool services provided in
RHEL 4.
groupd Daemon started by cman init script to
interface between openais/cman and
dlm_controld/gfs_controld/fenced;
not used by user.
libcman.so.<version
number>
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
Chapter 2. Red Hat Cluster Suite Component Summary
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