Best Solution for Load Balancing geographically distributed NFS File Access?

Posted by DairyKnight on Server Fault See other posts from Server Fault or by DairyKnight
Published on 2011-07-04T03:30:17Z Indexed on 2013/11/07 3:59 UTC
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I'm trying to find an optimum solution for accessing the NFS file share in my company. We have a central file server in North America and has 30GB~50GB of updated data everyday. And it's very slow for our Europe and Asia branches to access directly.

Therefore, I'm trying to setup two replicate servers in those continents. I'm currently using rsync, but wonder if there exists a better solution acts more like a distributed RAID, which allows the user to transparently access the file whether synced or not. And user request will be dispatched to remote server if the file is not yet synced.

I'm now looking into DRBD, but it seems not to have the functionality of auto-dispatching requests. Does anyone know if there's a better solution?

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