Messages in this thread | | | From | "Jeff Merkey" <> | Subject | Re: IDE Driver in Linux Reports different geometry that Netware during Volume and Partition Create, causing loss of user data under Linux | Date | Mon, 13 Sep 1999 15:06:13 -0600 |
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Boot messages report the wrong geometry as well. These newer drives use a EIDE command to get the correct geometry and typically, at least in modern times, don't rely on the information in CMOS since it can be incorrect.
Jeff
----- Original Message ----- From: Guest section DW <dwguest@win.tue.nl> To: <jmerkey@timpanogas.com>; <linux-kernel@vger.rutgers.edu> Sent: Monday, September 13, 1999 2:42 PM Subject: Re: IDE Driver in Linux Reports different geometry that Netware during Volume and Partition Create, causing loss of user data under Linux
> > With a MAXTOR 81750-A4 disk device, Netware reports that this disk device > > has a geometry of 850 cylinders, 64 heads, and 63 sectors per track. > > That sounds correct. > > > Under Linux, the same device reports a geometry of 780 cylinders, > > 64 heads, and 63 sectors per track. > > I always repeat the same question: what are the boot messages? > And in case you answer you might as well add the output of hdparm -I. > My first conjecture in such cases is user error. > For example, the disk may be entered incorrectly in BIOS/CMOS. > > Andries > aeb@cwi.nl >
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