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Newsgroups: comp.unix.bsd Path: sserve!manuel!munnari.oz.au!network.ucsd.edu!sdd.hp.com!nigel.msen.com!yale.edu!ira.uka.de!smurf.sub.org!flatlin!bad From: bad@flatlin.ka.sub.org (Christoph Badura) Subject: Re: 386BSD and IDE drives Organization: Guru Systems/Funware Department Date: Sat, 3 Oct 1992 03:20:24 GMT Message-ID: <BvIzy2.Bqr@flatlin.ka.sub.org> References: <19r0h6INNp42@aludra.usc.edu> <1992Sep24.022400.19483@fcom.cc.utah.edu> <Bv32LD.K9t@chinet.chi.il.us> <id.O7NT.0O3@ferranti.com> Lines: 22 In <id.O7NT.0O3@ferranti.com> peter@ferranti.com (peter da silva) writes: >In article <Bv32LD.K9t@chinet.chi.il.us> randy@chinet.chi.il.us (Randy Suess) writes: >> Something is very wrong here. My experience is that IDE drives >> are great for UNIX and IDEAL for 386bsd. Main reason is that, like >> SCSI, they hide bad sectors from the OS. >This is the one problem with SCSI, and presumably IDE. Why? What happens >when you have a marginal disk? When you're running MFM or ESDI, you start >getting more and more disk errors, and you have time to back up and reformat. >When you're running SCSI, you suddenly (without warning) get a LOT of errors >when the bad sector table fills up. By then it's too late to do anything >about it. Fortunatly, one can disable the automatic remapping of bad sectors on most SCSI drives. And even better, SCSI-2 provides a standard way to do so. -- Christoph Badura --- bad@flatlin.ka.sub.org AIX is a better... is a better... is a better... OpenSystem. IBM Rep at GUUG Symposium '92