Installation guide

Chapter 2. Red Hat Cluster Suite Component Summary 57
Function Components Description
gfs_tool Command that configures or tunes
a GFS file system. This command
can also gather a variety of
information about the file system.
lock_harness.ko Implements a pluggable lock
module interface for GFS that
allows for a variety of locking
mechanisms to be used (for
example, the DLM lock module,
lock_dlm.ko).
lock_dlm.ko A lock module that implements
DLM locking for GFS. It plugs into
the lock harness,
lock_harness.ko and
communicates with the DLM lock
manager in Red Hat Cluster Suite.
lock_gulm.ko A lock module that implements
GULM locking for GFS. It plugs
into the lock harness,
lock_harness.ko and
communicates with the GULM
lock manager in Red Hat Cluster
Suite.
lock_nolock.ko A lock module for use when GFS
is used as a local file system only.
It plugs into the lock harness,
lock_harness.ko and provides
local locking.
GNBD gnbd.ko Kernel module that implements the
GNBD device driver on clients.
gnbd_export Command to create, export and
manage GNBDs on a GNBD
server.
gnbd_import Command to import and manage
GNBDs on a GNBD client.
gnbd_serv A server daemon that allows a node
to export local storage over the
network.