> > So I'd like if you can send me any suggestions/tips/warnings/links etc.
> > before I start coding so I know what should I avoid/use.
>
> Please see:
> http://www-mddsp.enel.ucalgary.ca/People/adilger/snapfs/
>
> What you describe is exactly what snapfs does. ...
A related thing to look at would be the Plan 9 file system.
http://www.cs.bell-labs.com/plan9dist/
It is an entirely different design using copy-on-write and a
form of snapshotting such that something like:
cd //2001/12/25/foo
puts the user in directory /foo as it was at daily backup time
on Christmas day last year.
The original Plan 9 system used WORM drives with hard drives
acting as cache. I suspect the design could work without WORM.
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