Date: Thu, 19 Jun 2003 18:15:59 -0400 (EDT) From: Mohammad Nayyer Zubair <mzubair@ic.sunysb.edu> To: freebsd-fs@freebsd.org Subject: ideas about a unioning file system Message-ID: <Pine.SOL.4.56.0306191803340.16978@sparky.ic.sunysb.edu>
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Hi. We are currently designing a stackable, fan-out file system, similar in principle to the freebsd unionfs filesystem, at the Files and Storage Lab at Stony Brook University. We intend to use the FiST (http://www1.cs.columbia.edu/~ezk/research/fist/) stackable templates. Has anyone extensively used freebsd unionfs? From a system/network administrator or from a kernel developer standpoint, what do you like about it and what you dont like about it? How should a unioning filesystem should behave? What specific features would you like it to have? Out of the previous efforts at a unioning file system like the Sun's TFS, 3DFS, Plan 9 and FreeBSD unionfs itself, which fs do you think came close to an ideal unioning file system? I would really appreciate if you can share any thoughts, ideas, comments on designing such a file system. Mohammad Nayyer Zubair
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