[OpenAFS] rw replication & multiple cells

[Mike Fedyk]

As mentioned by others, AFS doesn't have RW replication.  You can get 
active single-master replication (one RW node and one or more RO nodes) 
with DRBD (or ENBD) and a cluster filesystem like GFS or PVFS.

I am not aware of any multiple-master replication projects in the OSS 
world (using a shared disk doesn't count).

Mike

Jordi Haarman wrote:

>Hi,
>
>I'm currently taking a look into openAFS. While reading the documentation and 
>trying to install it on A windowsXP and FreeBSD box some questions popped up 
>on which I could not find an answer:
>
>1. What will happen (if it is possible) if  I have a replicated read/write 
>volume on a second server and 2 clients edit the same file on different 
>servers while networkconnectivity is lost between the 2 sections.
>
>2. Is there a way to have a server join multiple Cells. This way each 
>department could have one server with it's own cell administrator but could 
>still use the advantages of replication by making available a partition for 
>another cell.
>
>3. Is there any timeschedule for disconnected operation? It would be nice if 
>users could work on their files & use outlook/kontact on the road ;-)
>
>Regards,
>
>Jordi
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