Thanks Geoff, I never would have though of this without your mentioning it.

Unless I think there might be defects in my tables, do you think there's a need to run mysql_upgrade for 10.0.15 -> .19?

Tom

From: Geoff Montee <geoff.montee@gmail.com>
Date: Friday, June 19, 2015 at 1:22 PM
To: Tom Worster <fsb@thefsb.org>
Cc: maria-discuss email list <maria-discuss@lists.launchpad.net>
Subject: Re: [Maria-discuss] Upgrading mariadb-galera-server

Hi Tom,

On Fri, Jun 19, 2015 at 9:55 AM, Tom Worster <fsb@thefsb.org> wrote:

Can I upgrade a production cluster from 10.0.15 to 10.0.19 while the cluster
remains in service, upgrading one node at a time?

Yes, you can do this. If you plan to run mysql_upgrade on each node

after upgrading, you may want to set wsrep_OSU_method to RSU before

doing so. I think this is especially important for this upgrade, since

mysql_upgrade in 10.0.19 calls REPAIR VIEW. That statement doesn't

exist in 10.0.15.

e.g.:

service mysql stop

yum update MariaDB-Galera-server MariaDB-client MariaDB-devel

MariaDB-shared galera-3

service mysql start

mysql --execute="SET GLOBAL wsrep_OSU_method=RSU;"

mysql_upgrade

mysql --execute="SET GLOBAL wsrep_OSU_method=TOI;"

Geoff