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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.uwa.edu.au!classic.iinet.com.au!swing.iinet.net.au!news.uoregon.edu!news.orst.edu!news.PEAK.ORG!engr.orst.edu!reuter.cse.ogi.edu!news.ssd.intel.com!chnews!itnews.sc.intel.com!news.sprintlink.net!cs.utexas.edu!howland.reston.ans.net!nntp.crl.com!decwrl!ablecom!ns2.mainstreet.net!news.isp.net!progroup.com!news From: craig@progroup.com (Craig Shaver) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Problem With Fujitsu SCSI Drive Date: 25 Oct 1995 23:38:22 GMT Organization: Productivity Group, Inc. Lines: 41 Message-ID: <46mhpe$qok@trout.progroup.com> References: <814658177.16718@kiss.demon.co.uk> NNTP-Posting-Host: trout.progroup.com X-Newsreader: knews 0.9.3 In article <814658177.16718@kiss.demon.co.uk>, phil@zipmail.co.uk (Phil Taylor) writes: >I am trying to set up FBSD 2.0.5R on a system with an Adaptec AHA1542B >and a Fujitsu M2694ESA 1GB SCSI-2 Drive. > >It isn't working ...... > >Everytime I run the installation it works fine and goes through >without any problem !!!! > >As the drive had been recently low-level formatted (with scsifmt) it >was completely blank and fdisk found its geometry as 1800 odd cyls >with a stupid number of hds/sects and it moaned about invalid >geometry. I created a partition with dos fdisk and looked at the >partition table and it was > >1023 cyls 63 hds and 32 secs. > >When I ran fbsd install/fdisk again this time the geometry was >detected as: > >1033 cyls 64 hds and 32 secs. !!!! > ^^ ^ > Sounds like the original geometry after the low level format was correct. Do it again and go through the whole install. the dos fdisk may screw it up for you. It uses the bios, which is a spoof on the real geometry. Dos cannot handle greater than 1024 cylinders, so many controllers rearange the drive geometry to increase the number of heads and sectors and get the number of cylinders down to a 10 bit number or less. I have run into something similar on (I think ???) a quantum 500mb drive. The dos fdisk screwed up something and I cured the problem by doing a low level format. YMMV, -- Craig Shaver (craig@progroup.com) (415)390-0654 Productivity Group POB 60458 Sunnyvale, CA 94088