On Tue, Oct 23, 2001 at 04:54:21PM +0200, Jes�s Arn�iz wrote:
> I heard about CFS and TCFS (but this is not still supported by FreeBSD), is
> there any better bet? If anyone know any good resource (sites, papers, ...)
> on these topics please tell me.
I can attest to using CFS for several practical purposes. It has a few
nice features including being able to completely hide attached
directories from all users except the owner (including root), and it can
store extra checksum information in the gid field of the i-node so long
as you don't chown it for the lifetime of the file. It works with an
NFS loopback and encrypts the on-disk filenames. One drawback is that
it processes requests in a single-threaded manner, making it not very
good for things like hosting compiles. The AT&T paper from Matt Blaze's
site describes the implementation and has some benchmarks:
ftp://research.att.com/dist/mab/cfs.ps
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