Hi Folks,

I posted to this list a few weeks ago, and have had time to get around to 
reading more of the squid manuals

I have two identical Ubuntu Linux 6.06.2 LTS based Squid servers caching for 
two Web Marshal server front ends.  The Web Marshal servers are load balanced 
using Windows Network Load Balancing (NLB) which gives redundancy and load 
balancing for the clients.  I would now like to add some sort of redundancy and 
load balancing between the squid caches and would like to share the cache 
between the two servers.

I think I want to set up my Squid's in a multicast group and then load balance 
between them using CARP.  The two Squid's should be sibling-peers of each other.

For example,

cache_peer 224.9.9.9 multicast 3128 3130 ttl=64

#                                        proxy  icp
#hostname                type      port  port   options
#--------------------    --------  ----- -----  -----------

cache_peer scache1       sibling   3128  3130  multicast-responder 
carp-load-factor=0.5
cache_peer scache2       sibling   3128  3130  multicast-responder 
carp-load-factor=0.5

Can anyone tell me if I am going in completely the wrong direction, or am I 
close to getting a redundant two-server setup with load balancing and shared 
caches?

Andy McCall
Senior Technical Officer
--
ICT & Printing, The Unity Partnership...
...working with Oldham Metropolitan Borough Council
Civic Centre 
West Street
Oldham
OL1 1UU
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Telephone: 0161 770 8814
Fax: 0161 770 3998
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