Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 4.6 Overview page 70

Chapter 2. Red Hat Cluster Suite Component Summary
Function
GULM
GFS
60
Components
lock_gulmd
libgulm.so.xxx
gulm_tool
gfs.ko
gfs_fsck
gfs_grow
gfs_jadd
gfs_mkfs
gfs_quota
gfs_tool
mount.gfs
lock_harness.ko
lock_dlm.ko
lock_gulm.ko
Description
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.
Command that configures or tunes a
GFS file system. This command can
also gather a variety of information
about the file system.
Mount helper called by
used by user.
Implements a pluggable lock module
interface for GFS that allows for a
variety of locking mechanisms to be
used.
A lock module that implements DLM
locking for GFS. It plugs into the lock
harness,
lock_harness.ko
communicates with the DLM lock
manager in Red Hat Cluster Suite.
A lock module that implements GULM
locking for GFS. It plugs into the lock
harness,
lock_harness.ko
communicates with the GULM lock
server.
; not
mount(8)
and
and