Date: Thu, 13 Jul 2000 21:01:36 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.ORG> To: Harry Woodward-Clarke <Harry.Woodward-Clarke@s1.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Anyone resolved "Missing operating system" issue? Message-ID: <XFMail.000713210136.jhb@FreeBSD.org> In-Reply-To: <396E5FBB.74C99EC@S1.com>
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On 14-Jul-00 Harry Woodward-Clarke wrote: > Hi John, > >> >> Eek! Don't use dangerously dedicated on SCSI. It causes SCSI disks >> to break horribly. > > "Please explain?" Some SCSI controllers (most recently newer ones) actually read the MBR from the disk so that they can match the geometry that the MBR thinks the disk has. However, with dangerously dedicated mode we use a completely arbitrary geometry unrelated to the actual disk. (It's hardcoded). This badly confuses some controllers. > haxxa -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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