[CentOS] Yum broken after x86_64 upgrade

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On Sun, 15 Aug 2010 20:46:04 -0400, Robert Heller wrote
> 
> You should not have done this.  I guessing that the CentOS 5.5
> installer is not bulleted proofed for this case (eg it assumed that you
> know what you were doing).  In any case, this is not a supported way 
> to go (documented or not).  The 'updater' on the CentOS 5.5 x86_64 
> DVD is meant to go from CentOS < 5.5 x86_64 to CentOS 5.5 x86_64,
>  NOT CentOS <
> 5.5 32-bit to CentOS 5.5 x86_64.
> 
> You should have made a backup and then did a fresh install.
> 
> The only good way to properly fix things is to backup your stuff (eg
> /home/ and stuff like /var/www/ (if you are running a web server)). 
> Maybe backup selected files under /etc/ (eg passwd, shadow, group, 
> etc.) and then do a fresh install (*reformat* /, /boot, /usr, etc.).

Oh well, it would have been nice if it worked. I'll scrub the system and
restore a few things from the backups, although I intended to re-purpose the
host anyway.

Thanks for your input.

--Bill