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Re: RH and drive cylinders

daemon@ATHENA.MIT.EDU (rnb/Copenhagen@manbw.dk)
Mon Nov 23 03:09:55 1998

From: rnb/Copenhagen@manbw.dk
Date: Mon, 23 Nov 1998 09:07:27 +0100
In-Reply-To: <199811202235.OAA05776@glacier.jpl.nasa.gov>
TO: rickf@glacier.jpl.nasa.gov, redhat-list@redhat.com
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

Hi 

Even if it works with Linux, other software is acting up on these cylinder 
counts.

I created a NTFS partition that went from 1024 to 1027 with WinNT, and 
suddenly neither Boot Manager nor Partition Magic could read the partition 
table.

Did the same trick with Partition Magic and everything went smoothly. 
Weird, eh?

BTW: My Quantum 8.4 GB is 1027 cyls. The 1024th cyl. is _exactly_ at the 8 
GB mark.


Rene
rene_b@geocities.com


______________________________ Reply Separator _________________________________
Subject: Re: RH and drive cylinders
Author:  rickf (rickf@glacier.jpl.nasa.gov) at internet
Date:    20-11-98 22.35



linux@lafayettehigh.org said:
>       I know there has been endless conversation on this topic  before, 
> but would someone please let me know if a drive over 1024  cylinders 
> can be used with Red Hat Linux and if so how?  I've got a  Western 
> Digital 6.4G drive with 13328 cylinders.  Is this  compatible?  
> Thanks in advance. 

Hi Jason,

     First point is that, for whatever reason, you do not have LBA
implemented for this drive.  On most systems, you should; that alone 
will remove your problem.  With LBA in effect you need a drive > 8.0Gb 
to exceed the 1024 cylinders issue; my IBM 9.1 Gb drive shows only 
1107.

     To answer the rest of your question, yes.  My 1107 cylinder drive
works great with Linux.

     I'd check your drive parameters in your BIOS (usually the first 
screen of several) and see what's there.  I think you're set to 
NORMAL or LARGE, and should be set to LBA.

Best
    rickf
-- 
Rick Forrister                 <Richard.Forrister@jpl.nasa.gov>

You'll wonder why your data's lost
   When you load your system with MicroSoft...



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