Red Hat Cluster Suite, Руководство пользователя

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Chapter 8.
Initial LVS Configuration
After installing Red Hat Enterprise Linux, you must take some basic steps to set up both
the LVS routers and the real servers in the LVS cluster. This chapter covers these initial
steps in detail.
Note
The LVS router node that becomes the active node once the cluster is started is also
referred to as the
primary node
. When configuring an LVS cluster, use the
Piranha Con-
figuration Tool on the primary node.
8.1. Configuring Services on the LVS Routers
The Red Hat Enterprise Linux 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 LVS routers, set the appropriate services to start at boot time. There
are three primary tools available for setting services to activate at boot time under Red
Hat Enterprise Linux: the command line program
chkconfig
, the ncurses-based program
ntsysv
, and the graphical
Services Configuration Tool
. All of these tools require root
access.
Tip
To attain root access, open a shell prompt and type the following command followed by
the root password:
su -
On the LVS routers, there are three services which need to be set to activate at boot time:
•
The
piranha-gui
service (primary node only)
•
The
pulse
service
•
The
sshd
service