Ted Lemon writes:

>Given what Andrew has said, you can probably replace the boot blocks
>by doing a ``dd if=/usr/mdec/bootblks of=/dev/rrz0c seek=1 skip=1'',
>although this still isn't going to fix the Ultrix disk label.

No, but chpt -a sounds like it will, assuming Ted Spraley still
has Ultrix up, with the partition table from that drive in-core.