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RE: [Xen-users] Making system templates

  • To: "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>
  • Date: Wed, 10 Jun 2009 10:16:13 -0700
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Wed, 10 Jun 2009 10:17:05 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcnpiqBNsLh+8aLjQ2u7poMSGYCoNgAYzaNQ
  • Thread-topic: [Xen-users] Making system templates

The maintenance cycle is frequent and requires a very small amount of work to 
maintain (it's probably entirely automatable); and in exchange, I gain the 
ability to state that we independently test upstream patches before applying 

Now, whether this is technically necessary is a point I'll happily concede.  
Debian-Stable is so named because only very well tested, stable changes are 
committed to it.  

However, I manage OS's other than Debian (CentOS, Gentoo, Windows, etc), and it 
seems logical to apply the same general process to every OS - as they are not 
all so well tested before patches are released - than to have an exception for 
Debian based solely on the fact that you and I have never had a problem 
patching Debian.

Plus, having a local repository is very nice.

Best Regards
Nathan Eisenberg
Sr. Systems Administrator
Atlas Networks, LLC

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Thomas Goirand
Sent: Tuesday, June 09, 2009 10:16 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Making system templates

Nathan Eisenberg wrote:
> My solution is very close to Thomas', except that I debootstrap from a local 
> mirror which is updated only after the upstream packages are tested against 
> common configurations.
> That way, I can use debootstrap to get my definition of 'current-stable', 
> while simultaneously being reassured that the packages I am pulling down are 
> of a version I have tested and verified to work.  This is part of my upgrade 
> cycle, so if I add a tenth machine to a cluster using the debootstrap method, 
> I am pulling down the same version of packages as those already on the 
> production machines

Having a package that changes behavior in the Stable version of Debian
shall NEVER happen. If so, then you can file a bug in the tracker. But I
never saw this happening over the last 5 years.

We simply use approx to do package download caching. This is really
enough, no need to manually create your own set of package. You are
being over paranoid here.


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