[Gllug] Undelete...?

[Daniel P. Berrange]

On Thu, Feb 05, 2004 at 06:15:39PM +0100, John Hearns wrote:
> Jason, perhaps you don't understand fully.
> Both David and I work in installing/managing/configuring Beowulf clusters.
> 
> Me, right at the moment I am working on a high availability failover 
> cluster. Remotely via ssh.
> I've got the thing working fine, but I've been asked to make some changes.
> So far so good, but I'm making some significant changes to files in 
> /etc/ha.d
> If I make a slipup, or don't remember to back out of the changes after 
> tests things could be bad.
> Yes, the sane thing to do is save .original files or whatever.
> But I agree with DAvid - CVS would help with things like that.

When managing a ton of simiarly configured machines, one thing
to consider is to store all the config in a CVS repository on a 
'management workstation'. Make changes in a checkout, commit
then. THen have another job that does a 'cvs export' and syncs the
config to all the machines. Since the sync takes straight from the
repository, you are forced to commit every change in order for it
to be accessible by the sync job. see also cfengine.


Dan.
-- 
|=-               http://www.berrange.com/~dan/gpgkey.txt             -=|
|=-   berrange at redhat.com  -  Daniel Berrange  -  dan at berrange.com    -=|
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