I do not foresee any issues or problems with the upgrade or the way you are
handling it. MySQL replication should start fine. Just make sure the
snapshot of the database is as current as possible so the I/O etc. catches
up as quickly as possible (which has nothing to do with your 32/64bit
question, I know).

Good luck with the upgrade.

Sincerely,

Craig Huffstetler

On Fri, Mar 21, 2008 at 6:44 PM, Ed Wildgoose <lists@wildgooses.com> wrote:

> Hi, what issues should I watch out for if I upgrade one machine in my
> master-master mysql 5.0 replication pair to a 64bit machine (the other
> remains 32bit)?
>
> The main things I am worried about - replication from one to the other
> breaking in some subtle way
>
> The upgrade itself - I intend to simply stop one of the servers,
> forklift the database files over to the new 64 bit machine and start it
> up. Any issues with this upgrade procedure..?
>
> Thanks
>
> Ed W
>
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