On 01/27/11 06:12, Graham Keeling wrote:
> Perhaps 10GB becomes more reasonable if you allow more than one job per 
> volume,
> but then you still have the problem of disk space being wasted because you
> cannot purge the volume until the last small 1MB job passes its retention 
> time.
> 
> I think this last problem is what Phil is trying to solve by setting either
> Maximum Volume Jobs or Volume Use Duration. But these solutions seem
> unsatisfactory for disks (I can't comment on tapes because I don't know enough
> about them).
> You are wasting space if the volume is not full up by the time Volume Use
> Duration expires.

Define "full".  Disk volumes aren't like packing crates.  They're more
like balloons.  They grow as you add data to them.

> And you are wasting space if the volume is not full up with Maximum Volume
> Jobs.

Again, how is it "wasting space"?  A disk volume doesn't preallocate
space to hold the maximum size of the number of jobs you might write
into it.  A disk volume consumes only as much space as the data you
wrote into it.


-- 
  Phil Stracchino, CDK#2     DoD#299792458     ICBM: 43.5607, -71.355
  alaric AT caerllewys DOT net   alaric AT metrocast DOT net   phil AT 
co.ordinate DOT org
         Renaissance Man, Unix ronin, Perl hacker, Free Stater
                 It's not the years, it's the mileage.

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