[OpenAFS] AFS suggestions

Chris Huebsch chris.huebsch@informatik.tu-chemnitz.de
Wed, 27 Jul 2005 21:41:07 +0200 (CEST)

On Wed, 27 Jul 2005, ERIC K. CHEU wrote:

> thanks... I'm actually not a novice AFS administrator.  But my bosses have 
> just asked me to ask what other people to provide for more redandant storage 
> and for charge back model.
> We are already going to have a raid 5 system implemented to hold our AFS 
> volumes.  And my boss was trying to think of ways to make AFS volumes more 
> redundant while at the same time being available for change (something that 
> is hard to do when you only can make read-only replicas).  Now
> if there were such a thing as read-write replicas, then that'd solve a lot
> of our problems...

But there are not (yet). There are some strategies using ro-clones,
which can be transformed to rw-volumes if worse things happen.

And a further hint from me: Do never trust Raid 5. The disks are like
twins. They have the same histroy, they lived the same live, they die
the same day.

Chris Huebsch    www.huebsch-gemacht.de | TU Chemmnitz, Informatik, RNVS
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