Re: large hard disks (again)
The 2.2 kernels will properly detect >1024 cylinders. For other kernels,
you can put fdisk in "x"pert mode and override its detection, or you
can also specify the disk geometry on the kernel command line.
Regards,
Jeff
On Wed, Sep 22, 1999 at 05:14:25AM -0700, Kenneth Scharf wrote:
> I have posted this before, how to fdisk a > 8.4gb
> drive. Problem was that with slink fdisk saw only
> 1024 cy, 255h, 63s for a total of 8.4gb. If I booted
> a RedHat 6.0 or Mandrake 6.0 CD (also stormix) their
> partition utilities (fdisk, disk druid, etc) would
> report the correct number of cyl's (2100) to give a
> 17.2gb total disk size.
>
> After partitioning with Stormix I stopped the install,
> and booted my slink cd and then installed slink
> (skipping the partition step, which was already done).
> This worked. Now if I run fdisk, it still reports
> the wrong(?) number of cyl's but does show the correct
> partition sizes (p command). It also complains about
> different logical and physical starting and/or ending
> cyl numbers for the last two partitions on the disk.
> However if I go to expert mode (x) and change the
> number of cylinders (c) to 2100, the p command now
> gives the exact same printout as fdisk under Mandrake
> or Redhat fdisk. So...why does fdisk get the correct
> size info from the kernel under Mandrake or Redhat?
> Can it be a difference between the 2.0.36 kernel and
> the 2.2 series? Or is it a later version of fdisk
> itself (BTW cfdisk and sfdisk behave the same way...)
> I now think the difference is in the 2.2 kernel.
> Any ideas? I now know I can partition under debian by
> giving fdisk the correct final cyl number. But I
> still had to use Mandrake fdisk to find this number!
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