About Freebsd 7.0 versus 6.3

[Kris Kennaway]

Mario Lobo wrote:
> On Thursday 08 November 2007, Aryeh Friedman wrote:
>> On Nov 8, 2007 11:55 AM, Expresso Digital ISP <cesar at expresso.com.br> wrote:
>>> Hi, my name is Cesar.
>>>
>>> I'd like to know what is the diference between 7.0 and 6.3 and why create
>>> a newest version and after old version.
>> 6.X is the last of versions meant primarilly for single processing
>> machines (with some after thought payed to multiprocessing).
>>
>> 7.X is the beginning of the versions specifically designed with
>> multiprocessing/cores in mind
>>
>> Under the hood many things have been changed improved in 7.... the
>> offical recommendation is 6.3 is for people who can *NOT* upgrade to 7
>> for whatever reason and everyone else should use 7... note as far most
>> people can tell there is no "easy" way to upgrade to 7 if you have 6
>> installed so you should start with 7
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> 
> Concerning this, I've "cvsuping" to 6-CURRENT on a dual-core desktop. The 
> system is running well, but I'd really like to move up to 7. Can it be done 
> through cvsup from 6.2-STABLE to 7-CURRENT or is it "wiser" to install from 
> scratch? any upgrade gotchas/procedure ? I searched the web and the only 
> reference I found was:
> 
> http://people.freebsd.org/~rse/upgrade/freebsd-upgrade-6x-7x.txt
> 
> which states:
> 
> "ATTENTION: THIS UPGRADE PROCEDURE MIGHT NOT WORK FOR YOU AS YOUR
> ENVIRONMENT IS DIFFERENT. ALSO, THIS UPGRADE PROCEDURES MIGHT DESTROY
> YOUR SYSTEM AND YOU POTENTIALLY MIGHT LOOSE DATA. NO WARRANTY AT ALL.
> USE IT AT YOUR OWN RISK!"
> 
> The procedure is far from a regular source upgrade (like the one noted in 
> UPDATING from 5x -> 6x), hence, my doubts.
> 
> Also, concerning this statement
> 
>> 7.X is the beginning of the versions specifically designed with
>> multiprocessing/cores in mind
> 
> Does this mean that 6.x will perform better on single cpu systems?

Happily, no.

Kris