Windows cluster node boot up timing

11 Oct

Why is the node boot up timing important in Windows clusters?

Most of the time, this is not an issue. Especially when you have one node up all the time. But what happens when there is a power trip or someone shutdown both nodes and started them up together? If you are lucky, there are no problems with your cluster, but chances are there may be resource contention as both nodes starts at the same time and tries to claim ownership of shared storage and be the active node!

Thus, its a good practice to set the boot up of your 2nd node to be say 60 or 120 seconds later than the first node. This will allow node 1 to always come up first and claim the resources.

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Posted by on October 11, 2006 in Windows



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