RE: Mirroring/load-balance two servers

2003-03-06 Thread Aaron Burke
> Does anyone know if there is a "simple" way to mirror two servers > without spending $ on hardware? I'm NOT talking about mirroring the > OS and the files, I'm talking about sending http requests to a second > server if the first server is down/un-reachable. This is sometimes > referred to as

Re: Mirroring/load-balance two servers

2003-03-06 Thread Lowell Gilbert
"Aaron Burke" <[EMAIL PROTECTED]> writes: > To my knowlege, yes. Lets say you had a server called www. > You would just give it two addresses in your domain configuration > files. > > www IN CNAME 12.34.56.78 > www IN CNAME 9.10.11.12 > www IN CNAME 65.4.3.21 That shou

RE: Mirroring/load-balance two servers

2003-03-06 Thread Aaron Burke
> "Aaron Burke" <[EMAIL PROTECTED]> writes: > > > To my knowlege, yes. Lets say you had a server called www. > > You would just give it two addresses in your domain configuration > > files. > > > > www IN CNAME 12.34.56.78 > > www IN CNAME 9.10.11.12 > > www IN CNAME 65.4.3.2

Re: Mirroring/load-balance two servers

2003-03-06 Thread David Dooley
The only problem with using DNS round robin like this, is that, in this scenario when 1 server is down, on average 1 in 3 requests to the web server will fail. But as previous posters have commented DNS should respond with the same 3 addresses, but it will rotate the order each time, in the version

Re: Mirroring/load-balance two servers

2003-03-07 Thread Roger 'Rocky' Vetterberg
Jonas Fornander wrote: Does anyone know if there is a "simple" way to mirror two servers without spending $ on hardware? I'm NOT talking about mirroring the OS and the files, I'm talking about sending http requests to a second server if the first server is down/un-reachable. This is sometimes r

RE: Mirroring/load-balance two servers

2003-03-08 Thread Jonas Fornander
> > The only problem with using DNS round robin like this, is > that, in this scenario when 1 server is down, on average 1 in > 3 requests to the web server will fail. But as previous > posters have commented DNS should respond with the same 3 > addresses, but it will rotate the order each tim

RE: Mirroring/load-balance two servers

2003-03-09 Thread Dirk-Willem van Gulik
> www IN CNAME 12.34.56.78 > www IN CNAME 9.10.11.12 > www IN CNAME 65.4.3.21 Those should be 'A's. And you propably want a *short* livetime. > The DNS standard will give out a different address for every This is a particular feature of ICS (www.isc.org) their BIND na