Jim Crossley enlightened us with:
> # mount -t hfsplus /dev/sdb /mnt/tmp

You are trying to mount the entire block device. Are you sure you
don't want to mount a single partition?

> Jun 28 18:36:04 vaio /dev/scsi/host2/bus0/target0/lun0: unknown
> partition table

Maybe you need to look at this. Do you have support for the partition
table type that is used?

Sybren
--
The problem with the world is stupidity. Not saying there should be a
capital punishment for stupidity, but why don't we just take the
safety labels off of everything and let the problem solve itself?