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[Linux-cluster] Redhat Cluster for 10 nodes



 

Dear all

I need to implement redhat cluster for 10 nodes with addition two nodes as backup servers (total 12 servers)

Each node will handle one service exeslusivly this service contain (On IP , TWO LVM, TWO Filesystems, Mysql Script , Myown Script)

·         MySql script will mounted on /var/lib/mysql and the mysql will store its database on that location ..

·         MyOwn script will store its data on second file system

There is no fencing device .

The following is the snap of my cluster.conf

 

<?xml version="1.0" ?>

<cluster alias="ClustGrp1" config_version="10" name="ClustGrp1">

      <fence_daemon post_fail_delay="0" post_join_delay="3"/>

      <clusternodes>

            <clusternode name="server01">

                  <fence/>

            </clusternode>

            <clusternode name="server02">

                  <fence/>

            </clusternode>

            ...

            ..

            ..

            ..

      </clusternodes>

      <fencedevices/>

      <rm>

            <failoverdomains/>

            <resources>

                  <ip address="10.10.103.11" monitor_link="1"/>

                  <ip address="10.10.103.12" monitor_link="1"/>

                  ..

                  ..

                  ..   

                  ..

                  <script file="/etc/init.d/MyOwnScript" name="MyOwnScript"/>

                  <script file="/etc/init.d/mysqld" name="MySQLScript"/>

            </resources>

            <service autostart="1" exclusive="1" name="server01srv" recovery="relocate">

                  <ip ref="10.10.103.11"/>

            </service>

            <service autostart="1" exclusive="1" name="server02srv" recovery="relocate">

                  <ip ref="10.10.103.12"/>

            </service>

            ...

            ..

            ..

            ..

                  </rm>

 

</cluster>

 

 

I already add Ip address resource but what is the structure for the other resource especially that the scripts depend on FS which is depend on LVM? and how can I make if the any node fail its relocate just on addition two server if no one of the addition servers free it will change status to stopped?

And pleas if you can Advice me for this scenarios ? I hav RHCS 4u5

 


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