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Deploying a Failover Cluster

Creating and Configuring a Failover Cluster

Before you start creating and configuring the failover cluster, perform the operations below.

On each active node:

1 Make sure the vz and parallels-server services are stopped and disable them:

# service vz stop

# service parallels-server stop

# chkconfig vz off

# chkconfig parallels-server off

2 Edit the /usr/share/cluster/fs.sh script by locating the following string in this script

and setting the value of the unique parameter to 0:

On each passive node:

1 Enable the cluster mode, stop the vz and parallels-server services if they are running, and

disable them:

# prlsrvctl set --cluster-mode on

# service vz stop

# service parallels-server stop

# chkconfig vz off

# chkconfig parallels-server off

2 Edit the /usr/share/cluster/fs.sh script by locating the following string in this script

and setting the value of the unique parameter to 0:

3 If you have created the /vz partition when installing Parallels Server Bare Metal, also ensure

that the /vz partition is unmounted. If it is not, unmount the partition:

# umount /vz

4 Disable the automatic mounting of the /vz partition on the node start. To do this, remove the

information about the /vz partition from the /etc/fstab file.

Creating the Cluster

Now you can start creating the failover cluster. The example below demonstrates how to set up a

new cluster using the ccs_tool command-line tool:

1 Log in to any of your cluster nodes, and create a configuration file for the cluster, for example:

# ccs_tool create psbmCluster

This command creates a new configuration file for the psbmCluster cluster with the default

path /etc/cluster/cluster.conf.

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Red Hat GLOBAL FILE SYSTEM 5.0 Manual do Utilizador Página 14