Re: Linux Backup Administration

From: Ted Kaczmarek (tedkaz_at_optonline.net)
Date: 07/02/05

  • Next message: Mark Fuller: "FC4 "Services" Configuration tool?" 
    Date: Fri, 01 Jul 2005 21:28:18 -0400
To: For users of Fedora Core releases <fedora-list@redhat.com>, James Marcinek <jmarc1@jemconsult.biz>

    On Fri, 2005-07-01 at 17:58 +0000, James Marcinek wrote:
    > For users of Fedora Core releases &lt;fedora-list@redhat.com&gt; wrote:
    > > I realize that this is off-topic. Hopefully you will forgive
    > > me for imposing on you like this.
    > >
    > > I'm new to *nix administration. I've used *nix installations
    > > for years in various incarnations (Xenix, Solaris, HPUX et al.)
    > > but not on the admin side. Backup is still something of a
    > > mystery to me. It seems that there are two schools of thought
    > >
    > > cpio
    > > tar
    >
    > There are other open source solutions which can be used:
    >
    > AMANDA (www.amanda.org)
    > Mondo (http://www.mondorescue.org/)
    >
    > >
    > > It also seems that each side thinks the other side is nuts.
    > > It also seems that using links (soft or otherwise) is not
    > > well handled by either technique.
    > > It also seems that everyone agrees that using tape is the
    > > Way To Go(tm).
    > >
    > > Can anyone tell me whether my impressions on this matter
    > > be correct? Is there a good tutorial which can give me
    > > relative pros and cons of cpio style vs. tar style backup?
    > > How about which directories actually need backing up?
    > > How about how does one actually recover when the worst
    > > happens?
    > > How about disc upgrades? I suppose that /etc/fstab needs to be
    > > new, but /etc/hosts needs to be restored. How does one go
    > > about doing these "partial" restores to get the machine
    > > back running again?
    > >
    > > I also don't want to use a tape drive, being (as some are)
    > > on a restricted budget, both for time to learn new stuff
    > > and monetarily, being among the Great Telecom Layoff. There
    > > are very nice Windows programs which create initial/disaster
    > > recovery CDs which can completely rebuild a system to the way
    > > it was when initially created, and then do backups to CD after
    > > that. *nix seems not to have any such concept.
    >
    > If you just want to make ISO's I would recommend using Mondo. You can make an
    > image and restore to CD's and there's also a rescue disk for restoring, etc
    >
    > >
    > > Anyway, thanks for you time.
    > >
    > > Mike

    You can use almost any of the commercial snapshot products to restore
    almost any OS their is. Rsync is also a wonderful tool that will handle
    many requirements. I use rsync to backup Open Exchange's database and
    filespool in a smaller shop. In many cases and especially with postgres
    you could rsync a primary db to a backup db faster than any other
    methods. I didn't believe it till I tried it.
    Ted 

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