Date: Tue, 24 Oct 1995 11:35:23 -0700 (PDT) From: Tom Pavel <PAVEL@SLAC.Stanford.EDU> To: "Justin T. Gibbs" <gibbs@freefall.freebsd.org> Cc: Peter Dufault <dufault@hda.com>, freebsd-fs@FreeBSD.org Subject: Re: WORM fs Message-ID: <199510241835.LAA16495@MAILBOX.SLAC.Stanford.EDU> In-Reply-To: "Your message of Mon, 23 Oct 1995 13:48:03 PDT." <199510232048.NAA20491@aslan.cdrom.com>
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>>>>> On Mon, 23 Oct 1995, "Justin T. Gibbs" <gibbs@freefall.freebsd.org> write s: > >Are any of the working file systems appropriate for a WORM drive > >for an archival application? > > > >I would like to be able to mount the file system and search through > >the files in the usual manner. It can be unmounted for writing. > > LFS would suit this task well, but it doesn't work in -current. I'm not sure what the problems with LFS in FreeBSD-current are, but just for general info in case people weren't aware, there was a lot of work on LFS for BSD4.4 done by Margo Seltzer and co. You can find a discussion of various related issues in: http://das-www.harvard.edu/users/faculty/Margo_Seltzer/usenix.195.html and you can get the mods to the LFS sources in : ftp://virtual.harvard.edu/pub/margo/usenix.195/lfs.tar.gz The papers are interesting reading, as is Ousterhout's response. I haven't actually checked, but my understanding is that these mods have not been worked into either the FreeBSD or NetBSD kernels. If that is correct, then they would probably provide a good starting point for someone to get LFS working. For what it's worth, Tom Pavel Stanford Linear Accelerator Center pavel@slac.stanford.edu http://www.slac.stanford.edu/~pavel/
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