Why not two? I never write over my most recent backup. I suppose you are accounting for the situation where one tape fails, and one backup fails?

---- _  _ _  _ ___  _  _  _
|Y#| |  | |\/| |  \ |\ |  | | Ryan Novosielski - User Support Spec. III
|$&| |__| |  | |__/ | \| _| | [EMAIL PROTECTED] - 973/972.0922 (2-0922)
\__/ Univ. of Med. and Dent.| IST/AST - NJMS Medical Science Bldg - C630

Alan Brown wrote:

On Wed, 30 Nov 2005, Ryan Novosielski wrote:

I would like to argue with this one slightly. Most of the backups I do are for disaster recovery (ie. fire, monumental screwup, disk failure, etc.).


Ditto

I don't need generations of data because our policy is that we don't keep things for data-recovery purposes, only for our own mistakes or troubles.


If we were keeping for data recovery we would be keeping far more than just 3 generations.

3 ensures that one complete set is in the data safe if there are problems with making a backup.

AB




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