Hearbeat in cluster

stuxnet
stuxnet used Ask the Experts™
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that meets the hearbeat function in the event of failure on a public network windows 2003 cluster?
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Commented:
Info on the heartbeat and configuration:
http://support.microsoft.com/kb/258750

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Commented:
Thanks, but my question is if there is a split brain on the public and heerdbeat network running.

what is the function of the network heardbeat?
Senior Active Directory Engineer
Top Expert 2012
Commented:
Heartbeat NIC is for cluster nodes communication. It checks if node is alive (answering). If not then resources are transferred  from unresponsive node to possible owner(s). That information is read from quorum disk (about possible owners of resource group(s))

Regards,
Krzysztof

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