Mailinglist Archive: opensuse-edu (81 mails)
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Re: [suse-linux-uk-schools] Cloning machines
- From: Mark Evans <mpe@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 22 Jan 2003 10:34:01 +0000 (UTC)
- Message-id: <20030122103331.C25906@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
On Wed, Jan 22, 2003 at 10:50:15AM +0000, Phil Driscoll wrote:
> Both Gary and Mark have mentioned that the raw copy of a disk is best only
> used when the disks have identical geometry. I don't know the first thing
> about how the kernel drivers actually access the drives, but surely on a
> modern machine it's no longer by cylinder head sector any more? Isn't LBA the
> norm these days - and if that's the case, surely - for once :) - size
> matters, and not geometry.
LBA still pretends to use a C/H/S geometry, but not
every drive or every BIOS interprets LBA in the
same way.
--
Mark Evans
St. Peter's CofE High School
Phone: +44 1392 204764 X109
Fax: +44 1392 204763
> Both Gary and Mark have mentioned that the raw copy of a disk is best only
> used when the disks have identical geometry. I don't know the first thing
> about how the kernel drivers actually access the drives, but surely on a
> modern machine it's no longer by cylinder head sector any more? Isn't LBA the
> norm these days - and if that's the case, surely - for once :) - size
> matters, and not geometry.
LBA still pretends to use a C/H/S geometry, but not
every drive or every BIOS interprets LBA in the
same way.
--
Mark Evans
St. Peter's CofE High School
Phone: +44 1392 204764 X109
Fax: +44 1392 204763
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