2005/9/13, Jon LaBadie <jon AT jgcomp DOT com>:
> I read it as "don't touch for amanda usage" the last 0.5GB.  Work only
> with what is above that.  Of the part amanda can work with, reserve 30%
> for degraded mode.
> 
> If, at the beginning of the dump, you started with 3GB available space
> on the holding disk partition amanda could use 2.5GB of it.  Of the 2.5GB,
> amanda would reserve about 0.85GB for degraded mode.  It would work with
> the other 1.65GB.
> 
> OTOH, if you started with only 750MB, amanda would only have 165MB to use
> for non-degraded mode.  (750MB - 500MB untouchable) * 0.7 usable
> 

OK, thanks. 

But that does not explain why dumping 8gb with approx 130 Gb free on
the holding disk results in about 95% of the time in "no hold"
status...