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Henrik Stoerner wrote:
<blockquote cite="mid20060802073116.GC17989@hswn.dk" type="cite">
<pre wrap="">On Tue, Aug 01, 2006 at 10:18:36PM -0700, J Sloan wrote:
</pre>
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<pre wrap="">Brodie, Kent wrote:
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<pre wrap="">Basically, you lose NOTHING when you change a BB server to a Hobbit
server.
</pre>
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<pre wrap="">We'd like to replace bb with hobbit but there's no way we can't do without the
bb failover mechanism. We have 2 separate data centers, and while there are bb
servers in both data centers monitoring the hosts on both sides, only side "a"
does notifications. When side "b" can not reach side "a", then side "b" "fails
over" and takes on the notification tasks, until side "a" becomes reachable again.
There's nothing like that in hobbit yet, but if there were, we'd be able to
make the switch.
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<pre wrap=""><!---->
I won't say it is being worked on, but it is definitely on my agenda.
My own setup is identical to yours, except that we have a procedure for
doing the failover from site "a" to site "b" manually. I've done some
planning for how to implement an active/passive cluster-like setup in
Hobbit, so ... it's coming.
Regards,
Henrik
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Hi,<br>
<br>
Have you considered setting up some kind of Heartbeat or VRRP system ?<br>
At my lab, we use VRRP to share one IP between a master DNS and a
secondary DNS which takes over if the primary fails (we have the same
system for our web site and our mail server).<br>
If the slave cannot contact the master, it takes over the 'public' IP,
and can start some services, like bind or dhcpd for example.<br>
There seems to be the same kind of possibilities with Heartbeat, but I
haven t looked into it yet.<br>
You could maybe set up your "b" site to start sending notifications in
the event that site "a" is unreachable ?<br>
<br>
Stephane<br>
<br>
<pre class="moz-signature" cols="72">--
_____________________________________________________________________________
Stephane Caminade
Administrateur Systemes et Reseaux
\ <a class="moz-txt-link-rfc2396E" href="mailto:Stephane.Caminade@ias.u-psud.fr"><Stephane.Caminade@ias.u-psud.fr></a>
Institut d'Astrophysique Spatiale / tel : (33) (1) 69 85 87 03
Batiment 121, Universite Paris XI \ fax : (33) (1) 69 85 86 75
F-91405 ORSAY Cedex / www : <a class="moz-txt-link-freetext" href="http://www.ias.u-psud.fr/">http://www.ias.u-psud.fr/</a>
_____________________________________________________________________________
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