On Mon, 13 May 2002 at 8:29pm, Niall O Broin wrote

> So if I want to persuade amanda to use more tape I should shorten the dump
> cycle, correct ? But I have a DDS-3 with native capacity of 12 GB and no
> changer. What happens if in a dump cycle there's more to be backed up than
> can fit on the tape e.g. if a lot happens to change on a couple of
> filesystems and level 1s get large ? What falls off the edge of the world ?
> 
The biggest danger is overwriting the only level 0 you have of a 
particular filesystem.  Amanda will try *very* hard not to do this, and 
will warn you when it's about to happen, and when it has.

This danger is mitigated if you have a tapecycle significantly longer 
(>2X, e.g.) than your dumpcycle*runtapes.

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University

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