On Mon, 2010-06-14 at 00:11 +0100, John Reynolds wrote: > Hi, > > I am working on a project that requires a hot standby configuration, I > will be using CARP as the failover mechanism. > the central software establishes the connections to remote hosts, and > I need the failover to be stateful. > so my question is this, can the standby machines be made to think they > have a connection to the remote hosts, so that when one of them > becomes the master, they can just start communicating without having > to go through the connection setup process. > I cant have the standbys create real connections, as the remote host > only allows a single connection to the listening port, thus having to > wait for timeouts etc, would make the failover take an unacceptably > long time. > > Any suggestions or examples of how to achieve this would greatly appreciated. This isn't the answer, but may get you pointed in the right direction: http://conntrack-tools.netfilter.org/ -- Matt Zagrabelny - mzagrabe@xxxxxxxxx - (218) 726 8844 University of Minnesota Duluth Information Technology Systems & Services PGP key 4096R/42A00942 2009-12-16 Fingerprint: 5814 2CCE 2383 2991 83FF C899 07E2 BFA8 42A0 0942 He is not a fool who gives up what he cannot keep to gain what he cannot lose. -Jim Elliot
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