[CORRECTION] Re: disk size mismatch issue during install on ultra1
dd if=/dev/zero of=/dev/scsi/host0/bus0/target0/lun0/disc bs=1M count=1
to zorch the disk label.
Sorry about that!
HTH!
--- foo_bar_baz_boo-deb@yahoo.com wrote:
> One trick to consider. If it's not a boot disk, use an MSDOS / PC
> label. The kernel can still read it and it's a lot less flaky than
> the
> Sun scheme. One issue I have had with large disks and Sun labels (but
> this only occurred on a 40G volume) is that the disk did not work
> right
> with a Sun label, and I had to use PC instead to get it to work at
> all.
>
> Can another helpful D-I or Sun internals person talk a little about
> disk labels? They seem to be a little odd and I do not understand why
> they cause such problems.
>
> Another thing to try: zorch the hell out of the disk label with dd
> if=/dev/zero of=/dev/scsi/host0/bus0/target0/lun0/disc bs=1M
>
> Then redo it with parted's CHS numbers: 8637,64,32. I have noticed
> parted and SPARC fdisk tend to take the label as gospel truth even
> when
> it's stuffed full of inaccurate crap. I bet if you erase the label
> and
> recreate it, this problem should stop happening. That was another
> trick
> I needed to use to get going at one point.
>
> Another thing, get the proper CHS numbers from the disk maker and
> type
> those in to the label creation command in parted. This should help
> you
> with your geometry problem.
>
> HTH!
>
> --- Ardo van Rangelrooij <ardo@debian.org> wrote:
> > foo_bar_baz_boo-deb@yahoo.com (foo_bar_baz_boo-deb@yahoo.com)
> wrote:
> > > I had an issue similar to this one when installing on an Ultra 2
> > with a
> > > similar setup.
> > >
> > > I found I could get around the problem by selecting the execute a
> > shell
> > > option in the debian installer, then running parted on the disk
> > > manually.
> > >
> > > One thing I cannot remember that you will need to find out in
> order
> > to
> > > do this is the proper device name for your disks. The name
> > convention
> > > used by the installer kernel is really bizarre and I do not
> > understand
> > > how it works.
> > >
> > > Hopefully the D-I people on this list will be able to explain
> what
> > > device names your disks might be using, or you can reverse
> engineer
> > it
> > > from the install screens.
> > >
> > > --- Ardo van Rangelrooij <ardo@debian.org> wrote:
> > > > Hi,
> > > >
> > > > I've got an interesting issue with installing sarge on an
> ultra1:
> > At
> > > > the
> > > > beginning of the partitioning the 9GB HD's are detected
> correctly
> > as
> > > > having
> > > > 9GB. However, when configuring the 1st partition as 4GB, the
> > > > partition size
> > > > is reported as 2GB in the partition info screen. When I
> continue
> > > > there's
> > > > only some 27MB left. When using guided partitioning I get
> > similar
> > > > results
> > > > (1.9GB + 99MB) and the partitioning even fails with an error
> > message
> > > > stating
> > > > that there are too many primary partitions.
> > > >
> > > > I'm using the netboot from April 24 and both 2.4 and 2.6 fail.
> > Older
> > > > netboots
> > > > (e.g. rc3) also fail here. The ultra1 has OBP v3.35 and
> > probe-scsi
> > > > detects
> > > > the HD's correctly. It has 256MB memory.
> > > >
> > > > Any thoughts/hints/help how to get across this hurdle? I
> looked
> > > > through the
> > > > bug reports for d-i but didn't find anything about this issue.
> >
> > Thanks for the tip. I'm a step closer. When running parted by
> hand
> > I get
> >
> > /bin # parted /dev/scsi/host0/bus0/target0/lun0/disc print
> > Warning: The disk CHS geometry (8637,64,32) does not match the
> > geometry stored
> > on the disk label (1107,27,133).
> > Ignore/Cancel? c
>
> >
> > Information: Don't forget to update /etc/fstab, if necessary.
>
> >
> >
> > Unfortunately running
> >
> > parted /dev/scsi/host0/bus0/target0/lun0/disc mklabel sun
> >
> > does NOT resolve this. The geometry mismatch persits.
> >
> > I'll run fdisk on this disk in another machine and see what gives.
> >
> > Thanks,
> > Ardo
> > --
> > Ardo van Rangelrooij Debian
> > XML/SGML Group
> > <ardo@debian.org>
> > <debian-xml-sgml-devel@lists.alioth.debian.org>
> > http://people.debian.org/~ardo/
> > http://debian-xml-sgml.alioth.debian.org/
> >
> >
> > --
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> >
> >
>
>
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