Date: Mon, 06 Dec 1999 01:34:14 +0100 From: "Ahmed Benani" <ahmed_benani@urbanet.ch> To: cjclark@home.com, "Paul D. Schmidt" <pds@uberhacker.org> Cc: freebsd-questions@FreeBSD.ORG Subject: Re : Is my backup system sane? Message-ID: <19991206003523.88FDE14D6E@hub.freebsd.org>
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STOP SENDING YOUR MESSAGES I RECEIVED MORE THAN 200 PER DAY AND I NEVER UBSCRIBE TO YOUR LIST: THANK YOU FOR YOUR COOPERATION ahmed_benani@urbanet.ch ---------- >De=A0: "Crist J. Clark" <cjc@cc942873-a.ewndsr1.nj.home.com> >=C0 : pds@uberhacker.org (Paul D. Schmidt) >Cc : freebsd-questions@FreeBSD.ORG >Objet=A0: Re: Is my backup system sane? >Date=A0: Dim 5 d=E9c 1999 20:42 > >Paul D. Schmidt wrote, >> I do a level 0 dump at the end of the month >> >> I then cycle through 4 (or 5 if necessary) "Sunday" tapes doing level 1 >> backups >> >> Then Monday-Saturday I do a level 2 backup to the proper tape for the da= y... > >There is a little trade-off here. If a file changes once on Monday and >never again during the week, it is still going to get backed up every >day of the week. For the simplicity of your scheme you pay by having >the size of that level 2 backup grow monotonically. > >If for your system(s) the size is not really a factor, then I don't >see why the simplicity trade might be worth it for you. > >I assume from the way you phrased some things that you are backing up >soley for full-system recovery (to return the machine to its last >functioning state) after a catastrophic event. However, if >you also back up to save old "snapshots" (when a luser comes to you, "I >accidently deleted a file last week, is it backed up somewhere?") of >the system, that may call for a more complex approach. >-- >Crist J. Clark cjclark@home.com > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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