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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!metro!metro!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!tezcat!cam-news-hub1.bbnplanet.com!news.bbnplanet.com!news.maxwell.syr.edu!news.apfel.de!news-fra1.dfn.de!news-ge.switch.ch!news-zh.switch.ch!ubnsrv.unisource.ch!ubnnews.unisource.ch!not-for-mail From: Markus Zingg <m.zingg@nct.ch> Newsgroups: comp.periphs.scsi,comp.sys.hp.hpux,comp.unix.bsd.misc Subject: Re: Changing block size of SCSI Hard disks ? Date: Tue, 18 Mar 1997 14:57:12 +0100 Organization: Unisource Business Networks Lines: 30 Message-ID: <332E9F38.1C9D@nct.ch> References: <5gkgn5$6jm@bmerhc5e.bnr.ca> NNTP-Posting-Host: luzern_ppp55.tic.ch Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01 [de] (Win95; I) Xref: euryale.cc.adfa.oz.au comp.periphs.scsi:73437 comp.sys.hp.hpux:56222 comp.unix.bsd.misc:2850 Francois wrote: > > I am trying to change the block size of a Quantum Atlas II(2.1GB) Hard Drive, > But it seems like the mode select page 3(Format device page) is not saveable > !!! > > Is there any way to change the block size for that drive ? > > BTW: > > Which Unix tools do you use to perform these operations (mediainit??)] > > Thanks > Francois > fdrolet@nortel.ca By reading page 3 and setting mode sense CDB byte 3 to 0x43 the drive should tell you which bit's can be changed. If you read the SCSI specs, they tell you that the drive shall return check condition if any of the "reserved" or unchagable bit's are set. What I try to tell you is that you may accidentialy set one of the unchangable bit's in page 3 and that this is the cause of the error. Hope this helps Markus Zingg m.zingg@nct.ch