Amanda backup routine
Brad Crotchett
brad at ispn.net
Wed Jan 8 17:15:52 CST 2003
Yeah, I am playing around with it right now and it seems to be exactly what I
need. Thanks again for the suggestion!
Brad
Gerald wrote:
> > Both servers are on the same 100MB switched network. I never thought about
> > rsync, but that may be a better way to go. I assume rsync just syncs up
> > specified directories between the servers? Is it pretty fast?
>
> It's pretty fast. In the past I've used it to sync multigigabyte
> partitions over 100 Mbps connections. It did this every two hours without
> affecting the server load too heavily. The replication algorithm it uses
> is pretty efficient.
>
>
> > Gerald wrote:
> > >
> > > It should be possible to do this with Amanda. You could use amrestore to
> > > read the backup for server1, and feed the output to tar/restore on
> > > server2. AFAIK, amrestore doesn't care what Amanda configuration name
> > > you're using so that shouldn't be an issue.
> > >
> > > How much bandwidth is available between server1 and server2? Rsync might
> > > be a better solution:
> > >
> > > http://rsync.samba.org/
> > >
> > > With rsync there would be fewer moving parts (literally!), and you could
> > > sync more than once a day.
> > >
> > >
> > > > This way if server1 crashes, server2 can come online and not be more
> > > > than 24 hours outdated with respect to server1. I am just wondering how
> > > > to tell amanda to use the tape from one amanda config to be used in the
> > > > restore of another amanda config. I am sure amanda's db is going to say
> > > > that this is the wrong tape. Maybe I can use a flag that forces amanda
> > > > to use the specified tape? Or maybe there is a way to do this with one
> > > > amanda config?
> > > >
> > > > Any thoughts or comments are appreciated.
> > > >
> > > > Thanks,
> > > >
> > > > Brad
> > > >
> > > >
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