corosync and token, token_retransmit, token_retransmit_before_loss_const confusion

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Hi all,

I am trying to understand how the corosync token, token_retansmit, and token_retransmit_before_loss_const variables all tie in together.

I have a standard RHCS v3 cluster set up and running. The token timeout is set to 10000. When testing it seems to detect failed members pretty consistently within 10 seconds. What I am not understanding is *when* a node is declared dead, and a fence call is actually made. The man pages show that the cluster is reconfigured when the "token" time is reached, and also when token_retransmits_before_loss_const is reached. This is confusing :-)


Which one is it that will reform the cluster? Both? When does one taken precedence over the other?


Thanks!

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