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From Igor Galić <i.ga...@brainsware.org>
Subject Re: [users@httpd] How to run a backup server?
Date Fri, 10 Jun 2011 09:21:51 GMT


----- Original Message -----
> Patrick Proniewski wrote:
> >> I would like to know if there is a way to have another server
> >> somewhere
> >> >  else with the same dynamic content as a "backup" in case the
> >> >  main server
> >> >  is not available then the backup server would serve the pages.
> > Whatever solution you choose, it's not Apache related.
> > It's a very complex task, and the solution greatly depends on the
> > price you are willing to pay.
> > If your problem is power-related, you need a second server far
> > enough so that it won't be hit by the same power outage. The
> > cheapest way is to allow for some downtime, and manually change
> > DNS so that your domain names points toward one server or the
> > other. The shorter your DNS TTL is, the shorter your downtime can
> > be, but the more requests your DNS will have to handle. As for
> > data replication, few shell script should help (mysql dump and
> > rsync files every hour for example).
> > This is mostly handcrafted solution, but it's the cheapest.
> 
> It's not as bad as that makes it sound ;)
> 
> One my internet connection here I have a stand alone router which
> handles the
> line and acts as firewall. WHICH machine appears as port 80 on the
> internet is
> just a matter of switching over an entry in the router. ISP's have a
> bigger
> version of that handling many machines ...
> 
> Then I have the machines set up to rsync regularly and also rsync to
> another
> machine at my ISP. I don't use MySQL myself, Firebird handles
> replication
> between machines, and incremental backups for me.


I'm wondering if it isn't really cheaper (and saner, and healthier)
to just get a VPS somewhere...

> --
> Lester Caine - G8HFL
> -----------------------------
> Contact - http://lsces.co.uk/wiki/?page=contact
> L.S.Caine Electronic Services - http://lsces.co.uk
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> Model Engineers Digital Workshop - http://medw.co.uk//
> Firebird - http://www.firebirdsql.org/index.php
> 
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> 

-- 
Igor Galić

Tel: +43 (0) 664 886 22 883
Mail: i.galic@brainsware.org
URL: http://brainsware.org/

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