On 02/14/2011 07:54 PM, Raoul Bhatia [IPAX] wrote: > hi, > > On 14.02.2011 17:56, Dejan Muhamedagic wrote: >> Hello, >> >> The current repository of Resource Agents has been tagged to >> agents-1.0.4-rc on Friday evening. >> >> Some major additions and improvements: >> >> - conntrackd, exportfs, nginx, fio: new agents >> - mysql: master-slave functionality and replication monitoring > > i have some serious issues with mysql master-slave and rapid fail over. > imho, and i might be wrong, this functionality "is not quite there yet". > > the basic problem: master fail over from node1 to node2 and back again > makes node2 try to parse the binlog from the very start. > > "CHANGE MASTER TO" does not honor the slave's last position for a given > master upon fail over and/or the binlogs on the master are never reset > thus leading to duplicate parsing of the very same binlog. > > i'll see to a more detailed report but am kind of swamped in work right > now.
Okay, thanks for the feedback. We'll see what we can do about this. If you can spare any more time looking into this issue, it would be much appreciated. Cheers, Florian
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