[CentOS-devel] CentOS-4.4 yumconf

seth vidal wrote:
> On Thu, 2006-09-07 at 22:35 +0800, John Summerfield wrote:
> 
>>Matt Hyclak wrote:
>>
>>>On Thu, Sep 07, 2006 at 10:09:08PM +0800, John Summerfield enlightened us:
>>>
>>>
>>>>Matt Hyclak wrote:
>>>>
>>>>
>>>>>>>Won't this also cause problems when upgrading to the next release?
>>>>>>
>>>>>>Of course it will. :-(
>>>>>>
>>>>>
>>>>>
>>>>>Not with proper exclude= lines in your configuration it won't. After all,
>>>>>since you made the centos-release package yourself, you can control what
>>>>>goes in that file, so an exclude line should be trivial.
>>>>>
>>>>
>>>>Eh?
>>>>Doesn't Anaconda look at the release file to see what it's supposed to 
>>>>upgrade _from_? If it doesn't recognise it, how will it know how to upgrade?
>>>
>>>
>>>Have we moved away from yum into respun CDs?
>>>
>>
>>No, I was thinking of the upgrade many folk will want to do to CentOS 5.
>>
>>If folk are creating alternative release packages I wonder whether they 
>>will create problems for themselves at that time.
>>
>>While Anaconda has an argument to force it to upgrade, and it would 
>>almost certainly work upgrading CentOS4 (or even WBEL) to CentOS5, it's 
>>not the sort of thing people should use in the ordinary course of events.
>>
> 
> 
> pretty sure red hat doesn't support upgrades between major release
> versions.

I'm next to certain it does. It supported upgrades from whenever 
Anaconda appeard (5.x or so I think) right up to RHL 9 - even skipping 
releases, and upgrades to newer Fedora Core work. I don't see why 
upgrading RHEL 2.1 to 3 or 4 would not work.

There might be some manual work to do, replacing dropped packed (eg 
imapd) with newer (eg cyrus-imapd).

> 
> so I can't imagine it'll be supported in anything from 4 -> 5.

and I'll be fairly surprised if it's not:-)

One thin I have in mind is to try to upgrade RHL 7.3 to Centos 3 or 4 at 
some point. I fully expect to apply a little force in that case; that is 
what it's for (not a supported upgrade but probably will work).



-- 

Cheers
John

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