Several problems upgrading CentOS 4.1 to 4.3

[ale at roshka.com.py (Ale Feltes Quenhan)]

Johnny Hughes wrote:
>> Why did you not just 'yum upgrade' to go from 4.1 to 4.3?
>>
>> Mike
>>
>>     
>
> Mike is exactly right ...
>
> All CentOS installs are upgradeable with the major version via yum at
> all times. (That is, any CentOS-4 is upgradable to the latest CentOS-4.x
> version via yum ... any CentOS-3 is upgradeable to any CentOS-3.x, etc.)
>
> What is not recommended (for yum) is upgrading between major
> versions ... ie upgrading via yum to CentOS-4 from CentOS-3.  In fact,
> we recommend that you backup data, do a new install and move your data
> over when you move from one major CentOS version to another.
>   
I did answer part of this on the previous one, to Mike.

I did before successfully upgrades from RH9 even, to Centos4, using the 
CD's set, without a problem