Varnish replication?

Rafał Radecki radecki.rafal at
Mon Feb 18 14:49:27 CET 2013

I cannot switch from active/passive to active/active at the moment.

2013/2/18 Sascha Ottolski <ottolski at>:
> Am Montag, 18. Februar 2013, 13:37:46 schrieb Rafał Radecki:
>> Hi all.
>> I have a two node pacemaker cluster. If primary node goes down then
>> secondary node takes its role.
>> I use varnish on both nodes. When I switch to the secondary node the
>> cache needs to be regenerated (as expected). Is there a way to
>> replicate varnish cache between two servers? Something like conntrackd
>> for iptables?
>> Best regards,
>> Rafal Radecki.
> I would recommend an active/active setup instead. Put a loadbalancer in
> front, and let it distribute the request to both nodes. If one goes
> down, the other is obviously warm. No special "tricks" required, and you
> make better use of you're hardware when both nodes are fine.
> Cheers
> Sascha
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