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added a hint about gratuitous arp →Setting up Heartbeat
[root@ovz-node1 ~]#
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Create the Heartbeat configuration file ha.cf and copy it to <code>/etc/ha.d/ha.cf </code> on both nodes. Details about this file can be found at http://www.linux-ha.org/ha.cf. Below is an example configuration which uses the two network connections and also a serial connection for heartbeat packets:
<pre>
# Heartbeat logging configuration
respawn hacluster /usr/lib64/heartbeat/ipfail
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Create the Heartbeat configuration file authkeys and copy it to <code>/etc/ha.d/authkeys </code> on both nodes. Set the permissions of this file to 600. Details about this file can be found at http://www.linux-ha.org/authkeys. Below is an example:
<pre>
auth 1
1 sha1 PutYourSuperSecretKeyHere
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Create the Heartbeat configuration file haresources and copy it to <code>/etc/ha.d/haresources </code> on both nodes. Details about this file can be found at http://www.linux-ha.org/haresources. Note that it is not necessary to configure IPs for gratuitous arp here. The gratuitous arp is done by OpenVZ itself, through <code>/etc/sysconfig/network-scripts/ifup-venet</code> and <code>/usr/lib/vzctl/scripts/vps-functions</code>. Below is an examplefor the haresources file:
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ovz-node1 drbddisk::r0 Filesystem::/dev/drbd0::/vz::ext3 vz MailTo::youremail@yourdomain.tld
