Cedric wrote:
> Do a Differential once every 90 days and Incrementals the rest of the time.
> In theory, you only need to run one Full backup. Ever. In practice, you'll
> probably want to create a new Full backup every year or so to clear out the
> obsolete data and make your differentials smaller (and faster).

Also keep restores in mind.. using above configuration and running a
full yearly and a differential every 90 months could require you to find
1 (full) + 1(differential) + 89(incremental) => 91 tapes to do a
restore. Either you have a huge changer, or you are heading into an
administrative nightmare.

I suggest running differentials at least weekly, just to lower the
amount of tapes needed for restores.

Jesper
-- 
Jesper

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