Load balancing w/ failover.
phn at icke-reklam.ipsec.nu
phn at icke-reklam.ipsec.nu
Mon Jul 1 20:21:49 UTC 2002
Ben Timby <asp at webexc.com> wrote:
>
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> Hello, I would like to know the easiest way to setup the following:
> 4 DNS servers running BIND 8
4 intelboxes + FreeBSD from CDROM. 15 minutes / box. Bind-8 included
in basic kit.
> 1 controller machine that distributes queries to the 4 DNS servers
One more intelbox + FreeBSD, this one with a 'forwarders { the four above };'
Another
> evenly.
> Controller will skip any machine that is not responding.
> None of the DNS server are authoritive.
> I would also like a way of sharing cache, or sending like queries to
> the same box since the domain record would already be in cache.
> I need this setup for my Lyris ListManager box, it is killing my
> current DNS server. Lyris says not to just setup multiple DNS servers
> as if one fails, it will actually slow down mail delivery more than
> just using a single DNS server would. I would like a nice automatic
> solution that always works, our lyris box cannot slow down :-). I
> took a look at:
You still have a single point of failure in my suggestion. But since
'lyris' does not cope gracefully with a nameserver failure this might be
your best solution. ( not mentioning OSPF tricks which under carefully
controlled environments give a transparent switchover )
> lbnamed
> http://www.stanford.edu/~riepel/lbnamed/
> And it seems to lack good docs (maybe I have not dug into it enough
> yet).
> Does anyone have experience w/ it? Will it do what I want? Is there a
> better/easier way?
Install a Good Working bind in a Good HW and use FreeBSD( or if you are so
inclined solaris on sparc).
> Thanks in advance.
> Ben Timby
> Webexcellence
> asp at webexc.com
> www.webexc.com
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--
Peter Håkanson
IPSec Sverige ( At Gothenburg Riverside )
Sorry about my e-mail address, but i'm trying to keep spam out,
remove "icke-reklam" if you feel for mailing me. Thanx.
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