Re: Jigdo and the release day

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On Wed, 2009-05-06 at 10:31 -0400, Bill Davidsen wrote:
> Bob Gustafson wrote:
> > On Tue, 2009-05-05 at 16:54 -0400, Bill Davidsen wrote:
> >> I have here the beta ISO, the snapshot ISO, and the contents of /var/cache/yum 
> >> which I run with cleanup off. When the final release day comes, is there a way I 
> >> can tell jigdo to use that combination to reduce the network traffic and server 
> >> load?
> >>
> >> RELATED: can I do some magic on /var/cache/yum to get the old install DVD to use 
> >> the new stuff? My test with createrepo seemed to generate a local repo which 
> >> worked for after the fact install and update, I'm just trying to avoid 
> >> installing obsolete packages and blowing them away again, on a slow machine that 
> >> really rots.
> >>
> >> -- 
> >> Bill Davidsen <davidsen@xxxxxxx>
> >>    "We have more to fear from the bungling of the incompetent than from
> >> the machinations of the wicked."  - from Slashdot
> >>
> > 
> > I think it is possible to use an old DVD (such as a test preview disk)
> > as one of the repositories for jigdo. Then you only need to download
> > component rpms that are newer than what is on the DVD.
> > 
> That's what I'm trying to avoid! I *have* all of the RPMs, or at least many of 
> them, in /var/cache/yum, because I have "keepcache=1" in /etc/yum.conf. That's 
> how I speed updating multiple machines, they all share (at least at update time) 
> an NFS mounted /var/cache/yum.

Updating an existing F11 is different than F11 (virgin Install|Upgrade
on top of an F10 system).

I'm trying to speed up the Test-Change-Test cycle for the F11 Install
DVD so that Anaconda gets more testing of many different systems (raid
is my need).

A LAN connected repo sounds like a good idea for folks with an extra
system and an Anaconda smart enough to use it. A slim DVD with only
Anaconda and necessary boot time utilities - then reach out to LAN repo
for the rest.

However, for those testers in the F11 DVD test-change-test loop with
one system, jidgo DVD image creation with a recent DVD in the drive is
a quick way to create a new install DVD image. And it is possible now.

> 
> But when I 'createrepo' on the cached RPMs I get a repo I can use for update 
> *after* the install, while providing other repos at the time of the install so I 
> don't install the old package and then update it, but install the latest the 
> first time. So I want to build a new install DVD, but make use of all the stuff 
> I have already downloaded.
> 
> > In theory, you could use this process to get increasingly more recent
> > test DVDs, using the last test DVD as a repository. You only need to
> > download the changes. Would speed up the Test-Change-Test cycle too.
> > 


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