Date: Thu, 25 Oct 2001 00:35:03 -0700 From: Seth Kingsley <sethk@meowfishies.com> To: =?iso-8859-1?Q?Jes=FAs_Arn=E1iz?= <jesus_listas@pasapues.com> Cc: FreeBSD hackers <hackers@freeBSD.org> Subject: Re: CFS Message-ID: <20011025003503.A52429@fluff.meowfishies.com> In-Reply-To: <FHEPIDBNHDNDCJGJCNDPEEEBDFAA.jesus_listas@pasapues.com>; from jesus_listas@pasapues.com on Tue, Oct 23, 2001 at 04:54:21PM %2B0200 References: <FHEPIDBNHDNDCJGJCNDPEEEBDFAA.jesus_listas@pasapues.com>
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[-- Attachment #1 --] On Tue, Oct 23, 2001 at 04:54:21PM +0200, Jesús Arnáiz 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 -- || Seth Kingsley || Meow Meow Fluff Fluff || sethk@meowfishies.com || || rndcontrol -s 0 || [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE718CnD1AymFxBOwgRAk6pAJ9iGOZfIDY3HCtJfWkpYhBYPrSMZwCeNz9U iPVD17FSrPdgMNvtNUdOaG0= =T5dU -----END PGP SIGNATURE-----
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