[OpenAFS] Looking for sites running AFS across one or more WANs

[Michael Loftis]

(CC list CUT)

--On Tuesday, January 27, 2004 12:03 +0100 Jimmy Engelbrecht 
<jimmy@e.kth.se> wrote:

> openafs.org run's on 2 fileservers/DB-Servers.
> One in Pittsburgh USA one in Stockholm Sweden.
> We have never seen any problems related to the long distance.
>
> However, i dont consider the linkquality bad.
> And we do not have any users homedirectorys like you will have.
>
> If you just just put a fileserver on the east coast and put the east
> coast's people's homedir's there i think everything will be fine.
>
> Also replicate the RO-Data among your servers for better performace.  If
> you do this at least all RO-Data will be accessible from both sites in the
> case of link failure for both sites.

Here's a question I have....I haven't really researched it yet much, but 
what about 'split brain'?  IE where the two sites end up split, and you end 
up with a DB 'master' at each site, and then end up with conflicts in the 
protection, volume, etc. DBs?  How does ubik(?) handle this?  A FAQ entry 
pointing it out or a manual page or something would be sufficient.

TIA


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