Messages in this thread | | | Date | Fri, 18 Jun 1999 20:56:06 -0400 (EDT) | From | "Mike A. Harris" <> | Subject | Re: Same HD, same settings, different geometry |
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On Sat, 19 Jun 1999, Luca Montecchiani wrote:
>Hi all, >in my Pc I've two IDE, hda ( primary on 1ide ) and hdc ( primary on 2ide ) the >bios settings on the motherboard is auto/LBA for all 4 ide channels. > >The facts on kernel 2.x.x >------------------------- >When linux boots hda show the "bios" geometry (LBA), and hdc show the physical >geometry. This worry me, but everything work fine and /proc/ide/hd*/geometry >is my friend. Seeing those difference, especially in my office machine where >hda and hdc are the same models make me unhappy :( >I started to look in the code ( 2.2.10 ) to understand why... >In short only hd's on the primary ide interface will showed with their bios/cmos >geometry.
To avoid this problem, I religiously partition fresh factory drives on a primary master or primary slave *always*. You only need to make one partition. Then the drive can be moved to the secondary without worry.
If you don't have a free primary, and cannot remove one of the primary drives to do this, you can either shut the machine down and boot off a boot floppy containing fdisk, after removing a primary drive, and replacing it with the one you wish to partition, or you can use a different computer to do the partitioning.
It is a good workaround.
-- Mike A. Harris Linux advocate GNU advocate Computer Consultant Open Source advocate
Tea, Earl Grey, Hot...
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