On 29 May 2012 17:19, Stallmann, Andreas <astallm...@conet.de> wrote:
> Hi! > > > MySQL has changed CHANGE MASTER TO syntax in 5.1 (IIRC), and it won't > accept > > an empty host argument anymore. I had to manually patch the RA to use > '-' as the host argument if it's empty. > > Did you send your patch to Yves? Yves, did you include this patch in the > newest resource agent? > > Cheers, > > Andreas > PS: Yves, would you consider your mysql resource agent to be "production > stable"? We're currently on our way to switch from mysql on drbd to mysql > replication and I'm asking myself if this is a wise idea, yet. No offence > meant; I'm just curious what your opinion is. > lately it seems to work fine on my test VMs (mysql master-slave, haproxy balancing reads, as a backend for magento; siege misses a few requests while the failover occurs, the slave becomes master, the former master becomes a slave after it comes back online and receives a reader IP only after it catches up, as expected) however, I did see some things that can be categorised as "bugfoot"[1]: it set master pref to 1 for both machines once, and another time it set the slave log file and position wrong, irrespective of the cluster property. I just sent a pull request with some improvements, btw: https://github.com/ClusterLabs/resource-agents/pull/98 [1] bugfoot: a bug seen by a single person once, and they swear it was real hth
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