Re: /etc/disktab on vax

[David Brownlee <abs%netbsd.org@localhost>]

On 24 June 2012 09:08, Anders Magnusson <ragge%ludd.ltu.se@localhost> wrote:
> On 06/23/2012 10:51 PM, David Brownlee wrote:
>> So would it make sense to keep the entries but just update them to a
>> single large partition? That retains the key ability to safely label
>> such disks, without the (of only historical relevance) partition
>> tables?
>
> Yes, maybe, but there is one other thing that is influencing (which also is
> only of historical interest):
> The vax massbus disks uses DEC 144 bad block forwarding, which means that a
> bunch of blocks at the end of the c partition are unallocated and used to
> replace bad blocks in other places on the disk. This is managed by the
> bad144 program.
> The disktab entries are avoiding these blocks, but it must be possible to
> access them via the c partition to allocate them.

So thats a single large a partition which excludes that area? Or am I
missing something?