Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 4.7 Overview page 71

Function
GNBD
LVS
Components
lock_nolock.ko
gnbd.ko
gnbd_export
gnbd_import
gnbd_serv
pulse
lvsd
Cluster Components
Description
manager in Red Hat Cluster Suite.
A lock module for use when GFS is
used as a local file system only. It
plugs into the lock harness,
and provides local
lock_harness.ko
locking.
Kernel module that implements the
GNBD device driver on clients.
Command to create, export and
manage GNBDs on a GNBD server.
Command to import and manage
GNBDs on a GNBD client.
A server daemon that allows a node
to export local storage over the
network.
This is the controlling process which
starts all other daemons related to
LVS routers. At boot time, the
daemon is started by the
/etc/rc.d/init.d/pulse
then reads the configuration file
/etc/sysconfig/ha/lvs.cf
active LVS router,
pulse
LVS daemon. On the backup router,
determines the health of the
pulse
active router by executing a simple
heartbeat at a user-configurable
interval. If the active LVS router fails
to respond after a user-configurable
interval, it initiates failover. During
failover, on the backup LVS
pulse
router instructs the
pulse
the active LVS router to shut down all
LVS services, starts the
program to reassign the floating IP
addresses to the backup LVS router's
MAC address, and starts the
daemon.
The daemon runs on the active
lvs
LVS router once called by
reads the configuration file
/etc/sysconfig/ha/lvs.cf
the utility to build and
ipvsadm
script. It
. On the
starts the
daemon on
send_arp
lvs
. It
pulse
, calls
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