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Re: Support for 4KB sectors size disk ?
On Tue, Jan 12, 2010 at 05:04:44AM +0000, David Holland wrote:
> On Mon, Jan 11, 2010 at 10:07:42PM -0500, Thor Lancelot Simon wrote:
> > No, they don't present 512 byte sectors to the host OS. They present
> > 512-byte sectors to *applcation code* running on the host -- this is
> > because the host OS uses the additional space itself. The
> > sectors presented over the SCSI interface to the host are 524 bytes
> > or, in some older designs, 528 bytes. Yank a disk out of a storage
> > array on one of these machines and see for yourself!
> ...and this is something we ought to be able to support going forward,
> if we can swing it.
I'm not sure that support for 'non power of 2' drives (below the disk
driver itself) is particularly useful.
David Laight: david%l8s.co.uk@localhost
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