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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.mira.net.au!news.mel.connect.com.au!munnari.OZ.AU!news.ecn.uoknor.edu!news.ysu.edu!usenet.ins.cwru.edu!magnus.acs.ohio-state.edu!math.ohio-state.edu!howland.reston.ans.net!swrinde!sgigate.sgi.com!uhog.mit.edu!news.mathworks.com!newsfeed.internetmci.com!solaris.cc.vt.edu!usenet From: mmead@Glock.COM (matthew c. mead) Newsgroups: comp.sys.mac.hardware.storage,comp.unix.bsd.misc Subject: Re: what are the reserved sectors on 1GB Jaz disks Date: 14 May 1996 15:42:59 GMT Organization: Glock Telecommunications Lines: 26 Message-ID: <MMEAD.96May14114259@Glock.COM> References: <4n8ges$ou9@wendy-fate.uu.net> NNTP-Posting-Host: glock.com NNTP-Posting-User: mmead In-reply-to: kyle@uunet.uu.net's message of 13 May 1996 19:26:20 -0400 Xref: euryale.cc.adfa.oz.au comp.sys.mac.hardware.storage:13426 comp.unix.bsd.misc:1043 In article <4n8ges$ou9@wendy-fate.uu.net> kyle@uunet.uu.net (Kyle Jones) writes: > Anyone know which sectors on a Jaz disk need to be left alone in > order to avoid erasing geometry information that the drive > (apparently) needs to recognize the disk? I think this is the > reason why my drive suddenly stopped recognizing a disk after I > put a UNIX filesystem on it and then ejected the disk. When I > send a SCSI test unit ready command I get back "incompatible > medium installed" (asc 30h, ascq 92h). The access light blinks > for a while but the drive doesn't spin up. Whoa. I haven't seen this, and I've walked *all* over my JAZ disks with FreeBSD. If the data doesn't need to be recovered, I'd try lowlevel formatting it and starting over. What operating system and version did you use to put the filesystem on it? -matt -- Matthew C. Mead mmead@Glock.COM http://www.Glock.COM/~mmead/