[Info-vax] VAX Macro to C conversion

[Simon Clubley]

On 2019-06-24, Michael Moroney <moroney at world.std.spaamtrap.com> wrote:
> Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>
>>Will shadowing work on the new file system if disk sizes are kept
>>at 2TB or smaller ?
>
> It will need to be taught lots of things. Whether that will happen or not I
> cannot say.
>
>>If so, is it viable to convert the signed values to unsigned values
>>to at least get the maximum disk size supported up to 4TB ?
>
> A project to update many file system components, including shadowing, from 1TB to
> 2TB (not 2 to 4TB) capacity by making LBN/VPN references unsigned happened some time
> ago.

Oops, yes you are correct. :-(

I was thinking of the values involved in the 32-bit byte boundary
transitions (2GB to 4GB) for some stupid reason instead of the
32-bit block boundary transitions (1TB to 2TB). :-(

Sorry. :-)

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Microsoft: Bringing you 1980s technology to a 21st century world