[CentOS-devel] CentOS-4.4 yumconf

Karanbir Singh wrote:
> John Summerfield wrote:

>>>>>> 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.
> 
> 
> I believe the first point in the El4 release notes was that upgrades are 
> not supported, but i might be wrong. you should check.
> 
> it might be point number 2
> 
  You may use Anaconda to perform a fresh installation of Red Hat
    Enterprise Linux 4.91 or to perform an upgrade from the latest
    updated version of Red Hat Enterprise Linux 4 to Red Hat Enterprise
    Linux 4.91.


As I expected, upgrade is supported. Ill-advised tampering with the 
contents of the release file will cause problems, and if we encourage 
folk to create their own release packages, they will and some will 
change the contents of the releases file.

I think reverting to yumconf is preferable; we're based off RHEL, so 
Fedora isn't especially relevant, and we're not supporting RHN so the 
RHN configuration files are irrelevant to us.

If we ship a modified up2date that shares yum configuration, that's 
fine, our users don't want to talk to RHN anyway.

OTOH RHEL users do want to use CentOS stuff sumetimes, and a yumconf 
package makes that easy.




-- 

Cheers
John

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