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I have a media box and a NAS. At the moment I would like to have most of the videos that I would like to watch on the media box. [For performance reasons] All of the other videos I would like to storage on the NAS. Is there a FUSE component that will allow for me to setup time-based rules on what is stored on the local machine, and what gets archived on the NAS?

For example: Let's say I have the latest videos downloaded via iTunes/mediaprovider. For all of the new files, I would like for them to be stored locally. If there are any files still there after X time, I would like for them to get stored on the NAS.

What I'm looking for is a way to have the appearance that both sources are merged and have some sort of rule that sweeps stuff away.

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The term for this is a Clustered File System, but I don't know of any consumer products that do this. I would be interested in the answer to this. +1 and favorited :) – Scott Chamberlain Apr 25 '13 at 20:23
Unless there is a better solution, I'm nearly to the point of doing an SSHFS+merge FUSE FS and do a cron to roll over the files in the local directory – monksy Apr 25 '13 at 21:27

Although not being a file system, git-annex might be the solution for your problem. With git annex, you can store binary files and track their locations. You can easily copy to other remotes or remove files locally.

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