Alfred Perlstein wrote:
>
> Does anyone particularly like/hate this idea? Just wanted to
> share, and possibly get better suggestions.
I usually do that like this:
HostA -> Address1, Alias1
HostB -> Address2
...where Host A and Host B talk to each other through the pair of
"real" addresses, while the service network uses the address referred
to above as "alias 1". When Host A goes away, Host B does an
ifconfig <if> alias <Alias1> to bring up the service net address on
Host B.
We just completed a full n-way local and wide area application
level failover product that runs under FreeBSD 3.x. It does a lot of
this for you, including maintaining heartbeat links, starting and
stopping services, and the rest of the stuff you would expect from
such a beast. Oh, and it runs cross platform; you can fail an Apache
(or whatever) instance between Solaris, Linux and FreeBSD. Go check
out the press release at the URL below.
Yours,
--
Jack Rusher, Chief Engineer | mailto:[EMAIL PROTECTED]
Integratus, Inc. | http://www.integratus.com
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