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Re: port-alpha/48697: Sysinst compute illegal disk geometry and newfs is bound to fail.
On Wed, Apr 02, 2014 at 08:25:01PM +0000, Michael L. Hitch wrote:
> Ah, it looks like maybe sysinst is computing the size of the disk by
> multiplying the sectors/cylinder times cylinders - but the sectors/track
> in the disk label is not correct. The drive reports 727 sectors/track.
> If sysinst had used the total sectors from the disklabel, it would have
> been ok. I would presume that Tru64 had set the sectors/track and
> sectors/cylinder to those values.
It is really best to believe the size that the driver gets from
the disk itself - rather than that written to the disk.
The 727 sectors/track value read from the label would then not matter.
Indeed it might make the code know that the label is invalid.
A cursory glance and the output from netbsd's disklabel seemed to
show garbage values for the partitions - even though the checksum
must have been correct.
Maybe the structures don't quite match?
David Laight: david%l8s.co.uk@localhost
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