On Oct 7 2007 17:05, Randall R Schulz wrote:
>> >
>> > Usually I don't do upgrades, but the way I've handled that in the
>> > past is by using an entirely new disk for new version. That's not
>> > an option for me right now and I'm wondering what I can expect if I
>> > try to perform an upgrade of my 10.2 to 10.3 when the 10.2 system
>> > is a 32-bit installation and the 10.3 would be 64-bit. (It's a
>> > Core2 Duo processor.)
>>
>> I don't think 32 to 64 upgrades are possible.
>
>What would happen if one tried? Would the installer balk? Refuse? Would 
>it stumble blindly into a failing attempt to upgrade the 32-bit system?

It could happen that during package installation, some %post or %postun
scripts fail because the 32-bit counterpart has been deleted before the
corresponding 64-bit one has been put into place.

*Generally*, if you load rpm into memory (e.g. by executing it)
and let it handle all packages in one transaction, you might upgrade to
64-bit, but it's usually not worth the hassle. Better reinstall.
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