[Info-vax] VAX Macro to C conversion

[Simon Clubley]

On 2019-06-24, Michael Moroney <moroney at world.std.spaamtrap.com> wrote:
>=?UTF-8?Q?Jan-Erik_S=c3=b6derholm?= <jan-erik.soderholm at telia.com> writes:
>
>>Den 2019-06-24 kl. 15:59, skrev Michael Moroney:
>>> Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>>> 
>>>> How much work would be involved in a rewrite of the shadowing code in C ?
>>> 
>>> $ dir/size/grand xf72_resd$:[shadowing*.src]*.mar;
>>> 
>>> Grand total of 12 directories, 55 files, 9878 blocks.
>>> $
>>> 

Thanks.

>
>>And how many "Records searched:" from:
>
>>$ sea/stat/win=0 xf72_resd$:[shadowing*.src]*.mar; qwertyasdfgh
>
>>?
>
> $ sea/stat/win=0 xf72_resd$:[shadowing*.src]*.mar; qwertyasdfgh
>
> Files searched:                55       Buffered I/O count:       217
> Records searched:          159718       Direct I/O count:         130
> Characters searched:      4639981       Page faults:               24
> Records matched:                0       Elapsed CPU time:  0 00:00:00.45
> Lines printed:                  0       Elapsed time:      0 00:00:00.97
> %SEARCH-I-NOMATCHES, no strings matched
> $
>
>
>>So the new file system will not support shadowing from the start?
>
> The new file system will support disks > 2TB.  Shadowing doesn't, and cannot
> without a lot of work.

Will shadowing work on the new file system if disk sizes are kept
at 2TB or smaller ?

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 ?

Simon.

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