[Info-vax] Backup restore system disk

[John Reagan]

On Wednesday, August 19, 2020 at 8:38:02 AM UTC-4, Phillip Helbig (undress to reply) wrote:
> In article <rhj4uk$t0k$1 at dont-email.me>, Simon Clubley
> <clubley at remove_me.eisner.decus.org-Earth.UFP> writes: 
> 
> > On 2020-08-18, Craig A. Berry <craigberry at nospam.mac.com> wrote:
> > > On 8/18/20 12:36 PM, Simon Clubley wrote:
> > >> 
> > >> BTW, DFU is _exactly_ the kind of thing that should be shipped as
> > >> standard with every VMS version from now on.
> > >
> > > It has been for quite a few years, though probably not enough years to 
> > > match the OP's system.  It can also defragment files, which I would 
> > > think would be more significant than whole-disk defragging when the 
> > > "disk" is a container file rather than an actual device with spinning rust.
> > 
> > Interesting. When did DFU start being part of the core VMS distribution ?
> > 
> > I first needed it about 15 years or so ago for Alpha VMS (probably V8.3)
> > and the memory I have is that I had to download it from one of the
> > freeware archives.
> 
> I see a DFU.EXE (which I didn't put there) in SYS$SYSTEM, both on 8.4 
> and even 7.3-2, though there is no corresponding symbol or verb and HELP 
> doesn't know about it, so perhaps it is shipped but not 
> installed/enabled by default.
> 
>         Image Identification Information
> 
>                 image name: "DFU"
>                 image file identification: "DFU ALP V2.4-0"
>                 image file build identification: ""
>                 link date/time:  4-MAY-1998 15:48:30.99
>                 linker identification: "A11-39"

It is not part of the V8.4-2L1 Alpha or Itanium releases.

$ dir v842L1_IRESD$:[SYSEXE]DFU.EXE
%DIRECT-W-NOFILES, no files found
$ dir v842L1_ERESD$:[SYSEXE]DFU.EXE
%DIRECT-W-NOFILES, no files found

{and I checked the entire disk too)