[Info-vax] VMS Enhancement request: setfilenomove.com

[Ian Miller]

On Friday, July 12, 2019 at 11:40:01 PM UTC+1, Jess Goodman wrote:
> On Wednesday, July 10, 2019 at 10:03:57 PM UTC-4, Robert A. Brooks wrote:
> > On 7/10/2019 7:58 PM, John E. Malmberg wrote:
> > 
> > > It should only complain about the open files if the nomove attribute is not set.
> > 
> > Yeah, I agree
> > 
> > >> It's not like it takes a long time, and the only way to
> > >> ensure that it's been run would be to check each file of interest for
> > >> the nomove attribute, and declaring the device safe for a defragmenter
> > >> if and only if each file of interest has been set /NOMOVE.
> > > 
> > > It does not do that.  It only tries to set the /nomove attribute and complains 
> > > about the files that it can not set.
> > > 
> > > Which means that you have do a dir/full on each file that it complains about.
> > 
> > You can do this
> > 
> > $ write sys$output f$file( "sys$loadable_images:sys$base_image.exe", "move" )
> > FALSE
> > 
> > But yeah, I'll look into doing something.
> > 
> > 
> > -- 
> >                   -- Rob
> 
> Why not allow SET FILE /NOMOVE to use /SHARE so that it can work on open files?  Why is SET FILE/SHARE restricted to use only with /STATISTICS and /GLOBAL-BUFFERS when you can use DFU SET /IGNORE=INTERLOCK with /NOMOVE and most other file characteristics?
> 
> Jess Goodman

DFU allows things which are not necessarily guaranteed or a good idea. 
They may work, they may not - depending on your environment if that's OK or not.