[Info-vax] VMS defragmenters

[Arne Vajhøj]

George Cook wrote:
> In article <paul.sture.nospam-0B3C00.15045716042009 at mac.sture.ch>, "P. Sture" <paul.sture.nospam at hispeed.ch> writes:
>> In article <49e53f08$0$90264$14726298 at news.sunsite.dk>,
>>  Arne Vajhøj <arne at vajhoej.dk> wrote:
>>>  decade or two ago there was Raxco PerfectDisk and Executive
>>> DiskKeeper.
>>>
>>> I used PD - it was pretty good.
>>>
>>> There were also a freeware one on the DECUS tapes.
>>>
>>> Google seems to indicate that it was called JUICER.
>>>
>>> I don't think it was widely used. People preferred the commercial ones.
>>>
>>> Then Digital released DFU/DFO and most people switched to that and
>>> the other products more or less disappeared.
>> JUICER can be found on the OpenVMS Freeware V4 CD.
>>
>> And going back further, there was a utility or driver which reduced 
>> defragmentation in the first place.
> 
> The Acorn Fragmentation Avoider written by Glenn Everhart.  It should 
> be on the OpenVMS Freeware V3 CD.  We still run it here on both VAX
> and Alpha.  Although it was last updated in 1997, it works on Alpha
> VMS V8.2 (needing nothing more than a relink after major VMS upgrades).

Many years, but not so many VMS versions.

Arne