Re: syncing up 2 servers...just like that!

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On Fri, 2005-03-18 at 09:46, Tom Weniger wrote:
> On Thu, 17 Mar 2005 20:58:15 -0600, rado <rado@xxxxxxxxxxxxxxx> wrote:
> <snip>
> > The big problem here is syncing the data. The master takes in the data.
> > The data has to end up on the slave. almost like a RAID1 array on 2
> > different systems but it can't be totally like that because of hardware
> > issues.
> > 
> <snip>
> >
> > I can see rsync used in conjunction w/cfengine. cfengine has a daemon,
> > cfd, will let you pull on demand. I dunno anything bout rsync of
> > cfengine, this just caught my eye. I really would like some ideas if
> > y'all would.
> > 
> > thx,
> > 
> > John Rose
> 
> Greetings John,
> 
> Have a look at Unision. 
> 
> http://www.linuxjournal.com/article/7712

There are a couple of ways to sync live over a network.  One is an nbd
or enbd device used along with md software RAID, another is DRBD which
does that and a little more.  This project puts the pieces together:
http://www.linuxha.net/index.pl

-- 
  Les Mikesell
    les@xxxxxxxxxxxxxxxx



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