[WBEL-users] How can I cloning a freshly tweaked system?

[Erik Williamson]

If the machines are already built, going with mondo or systemimager is a 
good choice; I absolutely rely on cfengine - www.cfengine.org - but it 
is better for situations where you are in the process of setting a 
system up (instead of a production system).  It acts as a method of 
documentation too, as you basically tell it everything it needs to do to 
a stock system to make it into the desired result.

I've had disks crater on me; all I do is re-kickstart the machine (after 
replacing said disk, of course) and in the postinstall I run cfengine. 
when the machine reboots, it is exactly the same as before.

Best,
Erik.


Andrew Vong wrote:
> 
> Dear All,
> 
> I've installed WBEL on a couple of servers and have spent some time and 
> effort configuring them and tweaking them. Right now, they're running 
> sweet! :)
> 
> Here's my concerns and motivation. I'm afraid that a perfectly running 
> system would one day just decide to die on me or worse, my server gets 
> compromised or some disaster could/would strike me when I least expect 
> it. I'd like to be prepared for it.
> 
> Rather than reformat, reinstall, configure and re-tweak the system which 
> could take me a good couple of weeks or so, can I somehow make a clone 
> of the HDD of a freshly installed and fully tweaked & optimized WBEL 
> server? Then store the clone/image somewhere else. That way, when 
> disaster strikes, I can just duplicate the clone back onto a new HDD 
> slot it back into the server, copy latest backed-up /home files into it 
> and I'll be up and running again.
> 
> Any help or comments would be greatly appreciated.
> 
> Thanks in advance.
> 
> Regards,
> Andrew
> 
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-- 
e r i k   w i l l i a m s o n                     erik@cpsc.ucalgary.ca
  system admin . department of computer science . university of calgary