Red Hat CLUSTER SUITE - FOR RHEL 4 Overview page 66

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Function
DLM
GULM
GFS
Chapter 2. Red Hat Cluster Suite Component Summary
Components
fence_egenera
fence_xcat
fence_manual
fence_ack_manual
libdlm.so.1.0.0
dlm.ko
lock_gulmd
libgulm.so.xxx
gulm_tool
gfs.ko
gfs_fsck
gfs_grow
gfs_jadd
gfs_mkfs
gfs_quota
Description
Fence agent used with Egenera
BladeFrame system.
Fence agent used with
xCAT-managed cluster.
Fence agent for manual interaction.
NOTE This component is not
supported for production
environments.
User interface for
fence_manual
agent.
Library for Distributed Lock
Manager (DLM) support.
Kernel module that is installed on
cluster nodes for Distributed Lock
Manager (DLM) support.
Server/daemon that runs on each
node and communicates with all
nodes in GFS cluster.
Library for GULM lock manager
support
Command that configures and
debugs the
lock_gulmd
Kernel module that implements the
GFS file system and is loaded on
GFS cluster nodes.
Command that repairs an
unmounted GFS file system.
Command that grows a mounted
GFS file system.
Command that adds journals to a
mounted GFS file system.
Command that creates a GFS file
system on a storage device.
Command that manages quotas on
a mounted GFS file system.
server.