Fail-over not mission critical

[William Park]

On Sun, May 30, 2004 at 12:47:32PM -0400, Robert F. Kennedy wrote:
> Hello,
> 
> I am running a dns server, mail server, web server and Mailman on a
> computer at my home with Istop as my provider to provide these services
> for a non-profit. The load is very light and if things went down for a
> day or so it would not be the end of the world. However, I have a backup
> computer that I would like to set up to be a mirror of my main box so
> that should a crash occur I could just start up the second box. 
> 
> The main computer is running RedHat Linux 9 updated, the backup machine
> is 9 too but has not been updated and does not have Mailman installed. I
> am wondering what approach some of you would take to create a backup
> scenario for a situation like this. I have read about the rsync command
> and this sounds perfect but I'm not sure if I'd have to get the backup
> machine updated and installed with Mailman first or not. My preference
> would be to just keep it as simple as possible. You all helped me set up
> my dns service a few months back and everything has been working like a
> charm ever since.

The simplest is to backup your harddisk.  When the computer fails
(usually due to harddisk failure), switch the disks, and reboot.  You
will start from when you made the backup.

-- 
William Park, Open Geometry Consulting, <opengeometry-FFYn/CNdgSA at public.gmane.org>
Slackware -- because I can type.
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