Re: High Availability / Clustering

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Author: Jerome PANSANEL
Date:  
To: guilde
CC: guilde
Subject: Re: High Availability / Clustering
Une solution utilisée pour la sauvegarde régulière de données est l'utilisation
des snapshots. Un collègue le fait sur du LVM pour une machine en prod, et il
n'a jamais eu aucun problème.
Plus de docs :
http://tldp.org/HOWTO/LVM-HOWTO/snapshots_backup.html

Jerome PANSANEL

Quoting Jean-Marc Coursimault <guilde@???>:

> > Coda FS
> > http://www.coda.cs.cmu.edu/ m'a l'air beaucoup plus approprié
>
>
>
> Le pb est que d'après la FAQ même de Coda, c'est du "pas très stable" -
> pour du HA, c'est pas terrible :
>
> How stable and usable is Coda?
> ==============================
>
> This is difficult to answer. If you want to try this with 5-15
> knowledgeable users, who would like to learn something and are
> knowledgeable computer users, you are probably OK if you do your backups.
>
> Installing a large network of 100 users or so, is right now not a good
> idea. We are aware that it would be very desirable to get the system in a
> state where this is easily possible, and reasonable progress has been
> made. We have to cract several hard problems, and many minor ones, we hope
> that our next release will be a big step forward.
>
> As of version 4.7 the data corruption that was happening on the servers is
> gone - but of course, many new problems might still come up. (8 Dec 1998)
>
>
> ===========================
> According to the previous entry from 1998, Coda wasn't ready for
> production use.
> What is the current status?
> ===========================
> I'd say a small userbase (20-30 users) and a few servers are pretty
> workable. Such a setup has been running here at CMU for the past couple of
> years without significant disasters.
>
> Don't expect to easily handle terabytes of data or a large group of
> non-technical oriented users.
>
> --
> Jean-Marc
>



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