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I don't know if this is possible, but here is the problem I'm looking to solve:

  1. My local computer has a 128G hard drive, and I have a network mounted drive containing about 1TB of data
  2. Most of the data is old or infrequently used
  3. While I am attached to the network share, everything is fine however when I'm on the road I don't have access to that share. I would like to have a most-recently-used local copy of the files (say touched in the past 6 months, up to 40G total data)
  4. When I attach back to the network, the local file system would sync back up with the network file system
  5. Ideally, it would all be transparent (I.e. when the drive is attached, everything shows up, when I'm detatched, either the non-most-recently-used files are gone, or there are place-holder links that give some sort of warning when accessed.
  6. File access checks for the local copy if present, then falls back to network if not

It looks like the CacheFS hits a lot of those point, but it does not appear to have an OSX port. Are there any good alternatives to achieve that goal?

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migrated from serverfault.com Sep 14 '11 at 18:06

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