Do all the users databases have to be run through mysql_upgrade?
--- On Wed, 1/4/12, Johan De Meersman <vegivamp@stripped> wrote:
> From: Johan De Meersman <vegivamp@stripped>
> Subject: Re: master to master upgrade 5.0-> 5.1
> To: database100@stripped
> Cc: "Replication" <replication@stripped>
> Date: Wednesday, January 4, 2012, 6:14 AM
> ----- Original Message -----
> > From: "Database System" <database100@stripped>
> > We know when we upgrade replication servers from 5.0
> to 5.1, we need
> > to upgrade slave server first. But what about master
> to master
> > replication?
> Strictly speaking, master-master is not supported, so
> you're on your own :-)
> Given that the new slave speaks both formats (assuming
> there's a format change), it makes sense to stop the slave
> on the active master; then upgrade the passive master; then
> upgrade the active master and then re-enabling the slave on
> that node - that way the last slave to be upgraded will only
> start reading the new format logs after it has been
> upgraded, and everything should work.
> You can, of course, switch operations to the passive node
> after it's been upgraded, if so desired.
> Bier met grenadyn
> Is als mosterd by den wyn
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> Hy die't drinkt, is ras een ezel