From: Olivier Kaloudoff Date: September 29 2004 7:19am Subject: Re: is cluster compatible with HA's heartbeat? List-Archive: http://lists.mysql.com/cluster/742 Message-Id: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed On Tue, 28 Sep 2004, Clint Byrum wrote: > On Tue, 2004-09-28 at 07:28, Eugen Leitl wrote: >> Can I use cluster MySQL with High Availability's heartbeat & Co, >> or would these be only fighting each other? The node number is 2..4. >> > > The only place I see for heartbeat is in controlling a load balancer for > your API nodes. For that, ldirectord and ipvs/lvs should be quite > effective. Why would you want to monitor DB Nodes using heartbeat ? The Management node is the place to put monitoring on, as it gathers all data from all DB Nodes, to my oppignon. Extracting monitoring information directly from the management node allow direct text operations while coding the "monitor". Ok, supposing that you monitor directly the DB Nodes, what about mysqlping enabled version ? is there such a tool already ? Olivier