Table of Contents
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Chapter 2. Red Hat Cluster Suite Component Summary
Function
Quorum Disk
Table 2.1. Red Hat Cluster Manager Software Subsystem Components
62
Components
ipvsadm
nanny
lvs.cf
Piranha Configuration Tool
send_arp
qdisk
mkqdisk
qdiskd
Description
maintain the IPVS routing table, and
assigns a
process for each
nanny
configured LVS service. If
reports a real server is down,
instructs the
ipvsadm
the real server from the IPVS routing
table.
This service updates the IPVS routing
table in the kernel. The
sets up and administers LVS by
calling
to add, change, or
ipvsadm
delete entries in the IPVS routing
table.
The
monitoring daemon runs
nanny
on the active LVS router. Through this
daemon, the active LVS router
determines the health of each real
server and, optionally, monitors its
workload. A separate process runs for
each service defined on each real
server.
This is the LVS configuration file. The
full path for the file is
/etc/sysconfig/ha/lvs.cf
or indirectly, all daemons get their
configuration information from this file.
This is the Web-based tool for
monitoring, configuring, and
administering LVS. This is the default
tool to maintain the
/etc/sysconfig/ha/lvs.cf
configuration file.
This program sends out ARP
broadcasts when the floating IP
address changes from one node to
another during failover.
A disk-based quorum daemon for
CMAN / Linux-Cluster.
Cluster Quorum Disk Utility
Cluster Quorum Disk Daemon
nanny
lvs
utility to remove
daemon
lvs
. Directly
LVS
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