Date: Tue, 2 Nov 1999 15:46:14 -0500 From: Greg Lehey <grog@lemis.com> To: Eivind Eklund <eivind@FreeBSD.org>, Don <don@calis.blacksun.org> Cc: Jacques Vidrine <n@nectar.com>, freebsd-fs@FreeBSD.org Subject: Re: journaling UFS and LFS Message-ID: <19991102154614.55760@mojave.sitaranetworks.com> In-Reply-To: <19991101171936.J72085@bitbox.follo.net>; from Eivind Eklund on Mon, Nov 01, 1999 at 05:19:36PM %2B0100 References: <19991030233304.03DB31DA4@bone.nectar.com> <Pine.BSF.4.05.9910301936530.44134-100000@calis.blacksun.org> <19991101171936.J72085@bitbox.follo.net>
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On Monday, 1 November 1999 at 17:19:36 +0100, Eivind Eklund wrote: > On Sat, Oct 30, 1999 at 07:40:35PM -0400, Don wrote: >> This is getting off topic. What features would you like to see in a new >> file system. Some suggestions were made. Would you like to add anything to >> this list? > > Yes. > * Easy to do concurrent access from multiple hosts to the same > physical media You can never do this in the general case (where any host may request access to any part of the disk). The best you could do there is a file server, but they're not quite our terms of reference. > * Ability to span more than one disk That's not necessarily a file system feature. Vinum does that now. > I have design papers on the FS designed for G2, which was intended to > support all of the features I've seen listed so far. It has a couple > of drawbacks: > (1) It is not designed to have the semantics of a standard Unix > filesystem. That doesn't surprise me, if you want to implement the first of your suggestions. Is there anything in there which would be of interest in our environment? Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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