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Path: sserve!manuel!munnari.oz.au!hp9000.csc.cuhk.hk!uakari.primate.wisc.edu!zazen!uwm.edu!wupost!uunet!mcsun!sun4nl!fwi.uva.nl!casper From: casper@fwi.uva.nl (Casper H.S. Dik) Newsgroups: comp.unix.bsd Subject: Re: 386BSD filesystem types. Can I mount a SunOS 4.1.2 disk? Message-ID: <1992Aug7.092400.25680@fwi.uva.nl> Date: 7 Aug 92 09:24:00 GMT References: <BZS.92Aug3155429@ussr.std.com> <1832@titccy.cc.titech.ac.jp> <1992Aug6.052627.22670@zip.eecs.umich.edu> <7087@skye.ed.ac.uk> Sender: news@fwi.uva.nl Organization: FWI, University of Amsterdam Lines: 19 Nntp-Posting-Host: adam.fwi.uva.nl richard@aiai.ed.ac.uk (Richard Tobin) writes: >In article <1992Aug6.052627.22670@zip.eecs.umich.edu> gilgalad@sparky.eecs.umich.edu (Ralph Seguin) writes: >>Hi. Is the 386BSD filesystem a 4.2 filesystem? Ie, could I mount >>a Sun formatted, ... disk? (Formatted under 4.1.1 or later of SunOS). >Note that Sun have made some changes to the file system format which >may mean that your Sun disk is not a 4.2 filesystem. In particular, >they introduced something they call "clustering" in 4.1.1. You cannot exchange 4.2 filesystems bewteen systems that have a different endianess (the filesystem writes machine formatted numbers). You can, without much trouble, write a endian converting 4.2 driver. I suppose the magic numbers would make detecting this easy. Casper -- | Casper H.S. Dik | casper@fwi.uva.nl