[ExchangeList] Re: Cluster: failover issue

  • From: "Vinoth Prabhu G" <ecrgvp@xxxxxxxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 10 May 2007 21:55:01 +0530



You should use a separate  hub/switch/direct cross cable for the heart beat
network which is separate from the enterprise network. If yes, these rare
conditions can be avoided.


Any way for your case, use the following command  to change the failover to
occur after 900 seconds..



cluster res "ResourceName" /priv IsAliveTimeout=900000:DWORD




From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Praveen Ramaswamy
Sent: Thursday, May 10, 2007 12:11 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Cluster: failover issue



I have a three node exchange 2003 SP2 cluster on windows 2003 SP1, I have
two virtual exchange server running on two separate nodes. Issue is, when
ever there is network port issue on a particular node which is hosting
exchange virtual server, it immediately tries to failover to other node. I
know this is the right thing to do but I want this to fail over only after
waiting for 900 seconds. Suppose network port comes back to normal within
this time then there wont be any inconsistency. I have made all NIC port on
the servers to 100 MBs /full duplex instead of auto neg. 

Right now I have made IP resource threshold : 3 period: 900 secs. But still
it immediately fails over . 

Can any body help me on this. 

Praveen R



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