[Info-vax] Backup restore system disk

Joukj joukj at hrem.nano.tudelft.nl
Fri Aug 28 03:08:57 EDT 2020


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"
> 
That looks like a pretty "old" version.

As I heard DFU was written in the DEC-office in Utrecht, The Netherlands

It is presently maintained by Jur van der Burg. You can download it as 
freeware from:
https://www.digiater.nl/dfu.html




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