[CentOS] squid HA failover?

[Les Mikesell]

nate wrote:
> 
>> I'm running a pair of squids as an internal cache for some intermediate
>> data used by a web server farm and currently doing failover by going
>> through an F5 bigip.  However, I'd like to avoid the bigip and use
>> heartbeat since there are only two machines.   I don't need to sync any
> 
> I use bigip even if there is only 1 machine, using heartbeat
> sounds like it will make it quite a bit more complicated,
> load balancers make life easier..since you already have a
> good one(a pair hopefully), keep using it!

We have a lot of other equipment behind it and I want the capacity for 
growth in the other pools.  I agree it does a good job and is hard to 
match where you need balancing, but this only needs failover.

> I use load balancers wherever possible even with 1 machine
> so I can make changes to the system(s) in the pool without
> impact. e.g. if I want to replace hardware, I can install the
> new hardware, add it to the pool and remove the old system.
> Of course it's ideal to always have at least 2.

A floating IP should serve the same purpose if you can swap it cleanly.

-- 
   Les Mikesell
    lesmikesell at gmail.com