On Thu, Mar 01, 2007 at 04:10:33PM -0500, Alastair Neil enlightened us:
> >On Thu, Mar 01, 2007 at 12:53:43PM -0500, Alastair Neil enlightened us:
> >> My experience with amanda in the past is that it will not write level 0
> >> dumps only to holding space - is this incorrect?  If this is the case
> >then
> >> indeed my configuration is overly complicated.  I have in the past
> >> maintained a 9 months backup history - that would be about 270 tapes - a
> >lot
> >> of LTO2 media.  I didn't mention but we are an academic environment so
> >this
> >> starts to become cost prohibitive, as it is I was looking at only
> >providing
> >> a semester ~ 3month backup window going forward.
> >>
> >
> >It most certainly does store level 0's to holding disk. I also am
> >educational and have an LTO2 setup. My weekly backups are currently about
> >150GB, so I let them spool on a RAID1 holding disk for a week, then put a
> >tape in and let them autoflush on the 7th day. I have a rotating set of
> >tapes for 20 weeks, and do an archival dump quarterly.
> >
> >You probably just need to adjust your reserve parameter properly in
> >amanda.conf. The default is 100% is reserved for degraded-mode backups.
> >Set
> >it to something smaller to allow fulls to fit.
> >
> >Matt
> 
> 
> Thanks for the pointer, I will try this.  I assume I turn off autoflush? I'm
> going to try with a reserve  of 25%  - I have a 250 Gbyte  holding disk.

If you don't want all spooled dumps to flush to tape when one is inserted,
then disable autoflush.

Matt

-- 
Matt Hyclak
Department of Mathematics 
Department of Social Work
Ohio University
(740) 593-1263