backups RE: ATA 80GB disk recommendation

From: Alvin Oga (aoga_at_mail.Linux-Consulting.com)
Date: 11/05/05

  • Next message: Henrique de Moraes Holschuh: "Re: Shutdown due to thermal event (sid)" 
    Date: Fri, 4 Nov 2005 17:57:49 -0800 (PST)
To: David Christensen <dpchrist@holgerdanske.com>

    hi ya david

    On Fri, 4 Nov 2005, David Christensen wrote:

    > In any case, I back up compulsively -- important data in four places: current
    > image, nightly tarballs on another drive in the same box, tarballs rsync'd to
    > another box nightly, and tarballs burned to DVD monthly.

    very good .. you're just as paranoid as me .. i keep anywhere from 3-6
    copies of the same "important" files

    - i see you haven't been hit with a power surge that took out everything
      connected to the power supply ( disks, motherboard, mem .. etc )
            - once is all it takes :-) to put "important" backup elsewhere
            than on the same pc

    - i'm gonna assume that your nightly incrementals is NOT just for
      tonight, but starts from when your last full backup was done
            - lets say you did a full backup each sunday ...

            - if mondays backup failed, than tue/wed backups are worthless
              since mondays changes was not saved anywhere due to any number
              of reasons why backups fails ( usually bad nic cable, or our
              of disk space or gazillion reasons )
                    - incrementals should always span across full backups

            - weekly backups can span 8 days ..
            - monthly backups can span 32 or 62 days ..
            .. etc ..

            - and new backups should not overwrite previous backups :-)

    c ya
    alvin 

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