Date: Wed, 20 Feb 2002 09:32:09 +0200 From: Peter Pentchev <roam@ringlet.net> To: Praveen Polishetty <poli_praveen@yahoo.com> Cc: doc@FreeBSD.org Subject: Re: your mail Message-ID: <20020220093209.C342@straylight.oblivion.bg> In-Reply-To: <000901c1b975$2b6d9a80$f92cb69d@cerc.wvu.edu>; from poli_praveen@yahoo.com on Wed, Feb 13, 2002 at 02:27:57PM -0500 References: <000901c1b975$2b6d9a80$f92cb69d@cerc.wvu.edu>
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[-- Attachment #1 --] On Wed, Feb 13, 2002 at 02:27:57PM -0500, Praveen Polishetty wrote: > Hi, > I am trying to build My own kernel for Elephant File system.I included > two more options in my kernel file in addition to the options given in > GENERIC file. > > options NULLFS #NULL filesystem > options WMFS #ELEPHANT filesystem. > > when i try to build the kernel it is giving me an error saying unknown > option WMFS. > I would appreciate if you can tell me what the problem is. Well, a couple of points. First, you do not mention what version of FreeBSD you are running. Neither 4.5-RELEASE, 4.5-STABLE or 5.0-CURRENT as of today seem to support such a thing as WMFS or Elephant (it is not mentioned in the sys/i386/conf/LINT file, or sys/i386/conf/NOTES on -CURRENT, which lists all the available kernel options). I could not find it in the CVS archives for either of those files, either; are you sure that FreeBSD has actually had support for this, ever? Also, freebsd-doc@FreeBSD.org is not exactly the best list to ask this type of questions; it is more of a list for discussing the documentation that comes with FreeBSD. There is another list, freebsd-questions@FreeBSD.org, which is dedicated to general questions and problems with FreeBSD. Ah.. I just did a Google search for 'Elephant FreeBSD'; it came up with a paper by Dr. Michael J. Feeley, mentioning an implementation of Elephant for FreeBSD 2.2.7. When I checked Dr. Feeley's home page at http://www.cs.ubc.ca/~feeley/ and followed the Research -> Elephant links, the following paragraph caught my eye: The current Elephant prototype is implemented as a Virtual File System in the FreeBSD kernel. It is available upon request. So, the Elephant filesystem is not yet a part of FreeBSD per se; you could try contacting Dr. Michael J. Feeley for the prototype. G'luck, Peter -- Peter Pentchev roam@ringlet.net roam@FreeBSD.org PGP key: http://people.FreeBSD.org/~roam/roam.key.asc Key fingerprint FDBA FD79 C26F 3C51 C95E DF9E ED18 B68D 1619 4553 The rest of this sentence is written in Thailand, on [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjxzUPkACgkQ7Ri2jRYZRVNdlwCgvJhzTNddA5BzTl94ChpLbppi v10AnRkpSIVanW8ymOKOfzZD4VCD5BSG =OAyZ -----END PGP SIGNATURE-----help
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