Amanda-Users

Re: Amanda indexing and multiple backup rotations

2005-02-25 10:35:23
Subject: Re: Amanda indexing and multiple backup rotations
From: Jon LaBadie <jon AT jgcomp DOT com>
To: amanda-users AT amanda DOT org
Date: Fri, 25 Feb 2005 10:30:02 -0500
On Fri, Feb 25, 2005 at 01:47:32PM +0100, Paul Bijnens wrote:
> 
...
> I can live with the not-so-nice-multiples-of-seven, and amanda doesn't
> even care.  Put them in a coloured box, a different colour for each
> set, or a box labeled "SET-1", "SET-2" etc., and it's still easy
> enough to switch the sets.
> 
> I hope you do realize that for Amanda a valid set is just a sequence
> of tapes of from any "dumpcycle" days, be it 1-7, or 3-10.
> To be able to restore up to a certain date, you need all the preceeding
> "dumpcycle" number of tapes before that day.
> (That also why you should set runtapes much larger than dumpcycle.)
> 
> You can set runtapes to e.g. 21 instead of 28, but still keep 28
> tapes in the cycle, resulting in any of the last 7 tapes being good
> enough to overwrite: no you can easily remove a tape from the cycle,
> without supplying a new one immediately too.

In the above paragraphs, I believe Paul meant tapecycle where he typed runtapes.


-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
 JG Computing
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