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Difference between Oracle Clusterware Network Heartbeat and Disk Heartbeat

185036Jun 6 2011 — edited Jun 7 2011
Can soemone please explain the difference between Oracle Clusterware Network Heartbeat and Disk Heartbeat.
• If a node does not send a network heartbeat for <MissCount> (time in seconds), then node is evicted from cluster
• If disk heartbeat (voting disk) is not updated in <I/O timeout>, then node is evicted from cluster
In my openion both communcation uses network. If network is down how come disk heartbeat be updated?
This post has been answered by Aman.... on Jun 6 2011
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Locked on Jul 5 2011
Added on Jun 6 2011
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