Re: [Vserver] clusters/farms/failovers?

From: Ruben Leote Mendes <ruben_at_nocturno.org>
Date: Thu 21 Jun 2007 - 19:53:38 BST
Message-ID: <45984.193.136.173.43.1182452018.squirrel@ssl.netureza.com>

Hello Chuck,

I believe you will find DRBD + Heartbeat an option for what you want.
This page in the wiki has some info on how to set it up:

http://oldwiki.linux-vserver.org/Vserver+DRBD

Ruben

Em Qui, Junho 21, 2007 02:09, Chuck escreveu:
> I am in the idea stage for something I am not positive is entirely worth
> the
> effort and I am in totally uncharted territory.
>
> I am not sure what terminology is i am looking for here... what i am
> thinking
> i want to do is:
>
> have 2 hosts one a mirror of the other including all vserver guests etc.
> the 2
> machines are identical in every way.
>
> rather than have the mirror machine on 'standby' waiting for some fateful
> day
> it is needed, i would like both servers and all guests to be running
> simultaneously. this would be accomplished by having everything running
> unique private network ip addresses. this would allow adding
> additional 'mirror' machines as necessary.
>
> the existing public ips from the production server we have running would
> be
> moved to some 'control' computer which would have a listing of the
> private
> ips that would serve what the public ip wants and would call on either one
> as
> needed. if one of the private ip servers doesnt respond (down) the control
> computer would simply choose the working ip until the first one comes back
> online.
>
> what do i need to do in the 'control' machine to accomplish this? is this
> some
> kind of configuration that already exists in the linux distro? we run
> gentoo.
> beowolf (whatever that is)?
>
> is there another way of accomplishing what i wish to do? also how messy
> will
> keeping the mirror machines 'in sync' be? would i be better off having
> all
> machines but the controller share a common nfs mount for all the guests?
>
> some of these virtual servers are very high volume usage so if all the
> data
> must route through the control computer, i am thinking that computer would
> have to be a monster. or maybe have several control computers each
> handling a
> different class of service.
>
> sorry if i sound like i have no clue what i am talking about, but that is
> the
> truth :) , i only think i know what i want to accomplish.
>
>
> --
>
> Chuck
>
>
>
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>

-- 
Rúben Leote Mendes -- ruben@netureza.pt
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