Best practices

[Robert Cope]

Matthew Joyce wrote:

> We are planning to run Debian Unstable on a Poweredge 1750.
> this is our first linux on Dell, and will be a very critical app for us.

"Debian unstable" and "very critical app" seem to contradict each other. 
I would suggest using stable or stable combined with backports[1].


> although I have admin'd various lixus boxen in the past, I would really
> appreciate any feedback reagrding the best way to run/manage/recover a
> system like this.
> 
> Essentially this box will run Apache Tomcat and Postgresql and Sun Java.
> 
> What are my DR options ?

One option, that I use often, is to run your main installation inside a 
vserver[2]. By rsyncing the vserver tree to a secondary vserver host on 
a regular basis, it is quite easy to failover in the event of a hardware 
failure on the primary host. By using LVM's snapshoting ability, you can 
guarantee a consistent sync.

robert

[1] http://www.backports.org/ or my US mirror, 
http://www.gonkgonk.com/mirrors/backports.org/

[2] http://www.linux-vserver.org/
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