Configuring llt, Single node cluster, Installing the vcs software manually when – Symantec Veritas 5 User Manual

Page 146: Adding a node to a single node cluster

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5

Freeze the service groups.

#

hagrp -freeze group -persistent

Repeat this command for each service group in step 4.

6

Make the configuration read-only.

#

haconf -dump -makero

7

Stop VCS on Node A.

#

hastop -local -force

8

Edit the VCS system configuration file /etc/sysconfig/vcs, and remove the
"-onenode" option.

Change the line:

ONENODE=yes

To:

ONENODE=no

9

Rename the GAB and LLT startup files so they can be used.

#

mv /etc/init.d/gab.old /etc/init.d/gab

#

mv /etc/init.d/llt.old /etc/init.d/llt

Installing the VCS software manually when adding a node to a single
node cluster

Install the VCS 5.0 RU3 RPMs manually and install the license key.

Refer to the following sections:

See

“Preparing for a manual installation when adding a node”

on page 123.

See

“Installing VCS RPMs for a manual installation”

on page 124.

See

“Adding a license key”

on page 125.

Configuring LLT

VCS uses the Low Latency Transport (LLT) protocol for all cluster communications
as a high-performance, low-latency replacement for the IP stack. LLT has two
major functions.

Installing VCS on a single node
Adding a node to a single-node cluster

146

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