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We have a number of Ubuntu 10.04 machines connected in the LAN. Each of the machines has a lot of free space.

I wish to utilize this free space such that it would create a virtual (I do not mean VHD here) hard disk or a virtual folder wherein everyone can store and share stuff.

Is something like this possible? or something close to it?

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up vote 1 down vote accepted

There's a few ways to do this - you could start by looking at GlusterFS

"GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86-64 server with SATA-II RAID and Infiniband or GigE interconnect. "

But be warned that it can be a bit of a pain to manage and performance can be sluggish.

I have heard some good things about MogileFS, but have not used it yet.

PS: A colleague has just mentioned Tahoe

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Great suggestions! I'll try them out and get back again. Thanks! :) – Nikhil Patil Feb 15 '11 at 12:01
@Nikhil Patil Any luck? – tobylane Apr 10 '11 at 16:16
Frankly, I just studies the three but couldn't give all of them a full try. Have a tight schedule nowadays cause of the product release we have coming. Can only try them after April EOM! – Nikhil Patil Apr 10 '11 at 18:16

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