Red Hat ENTERPRISE LINUX AS 2.1 -, Руководство по установке

Страница: 115 / 210

Section 7.1:Configuring Services on the LVS Routers 115
7 Initial Configuration
After installing Red Hat Enterprise Linux AS, you must take some basic steps to set up both the LVS
routers and the real servers in the LVS cluster. This chapter reviews these basic steps.
Note
The LVS router node that will become the active node once the cluster is
started is also referred to as the primary node. When configuring an LVS
cluster, use the
Piranha Configuration Tool
on the primary node.
7.1 Configuring Services on the LVS Routers
The Red Hat Enterprise Linux AS installation program installs all of the components needed to set
up an LVS cluster, but the appropriate services must be activated before configuring the cluster. For
both of the LVS routers, set the appropriate services to start at boot time. There are three primary
tools for setting services to activate at boot time under Red Hat Linux: the command line program
chkconfig
, the ncurses-based program
ntsysv
, or the graphical application serviceconf . All of
these tools require root access.
Tip
To attain root access, open a shell prompt and type the following command
followed by the machine’s root password:
su -
On the LVS routers, there are at least three services which need to be set to activate at boot time. They
are:
• The
piranha-gui
service (primary node only).
• The
pulse
service.
• The
sshd
service.
If you are clustering multi-port services or using firewall marks, you must also enable either the
ipchains
or
iptables
service, but not both.