sysistall bsdlabel failure with amd64 FreeBSD-8.1-RC2-amd64-dvd1.iso

[Dimitry Andric]

On 2010-07-13 19:01, Julian H. Stacey wrote:
> with amd64 FreeBSD-8.1-RC2-amd64-dvd1.iso
> sysinstall failed to correctly repartition a previously partitioned disc.
> fdisk however correctly wrote the new slices to the disk,
> but sysinstall did not pick up the new slices, so we had to enter fixit
> & overwrite beginning of disk with
> 	dd if=/dev/zero of=/dev/ad0 bs=1024 count=100
> PS sysinstall saw /dev/ad0 & /dev/ad0a 

Were those partitions 'dangerously dedicated' and created by an older
(pre-8.x) sysinstall?