Date: Wed, 18 Sep 1996 16:42:51 -0400 (EDT) From: Matt Hamilton <matt@boris.clintondale.com> To: freebsd-isp@freebsd.org Subject: Backup strategies Message-ID: <Pine.BSF.3.95.960918163402.23628A-100000@boris.clintondale.com>
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Hello All, I currently use Amanda to do backups of our system every night. Amanda calls dump and dump uses the Modified Tower of Hanoi algorhythm for backups. I do not know anything really about this method and I need to know more about it. If there is a FAQ on Backups in general and the Tower of Hanoi please let me know... We have just moved a financial system over to our FreeBSD machine and we need to back it up. However we need to be able to restore from the backups, not just the latest material, but also (if something REALLY goes wrong) restore from a couple of days or weeks ago. Is this possible using the Tower of Hanoi? I know I could get Amanda to do a level 0 dump everynight... but want to try and avoid that if possible. If so how would I implement a weekly cycle in which we have tapes Mon, Tue, Wen, Thu, Fri in which a full backup is done every Friday and then taken offsite and new tape replaces it? Hmmm.... I have just read back what I have typed and noticed that it is very confusing, but I can't word it any better, sorry :) Can anyone help me out here? Matt
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