Hi all We would like to build a mysql-cluster with two mysql-servers in a master-master configuration. We're trying to use mysql-mmm [1] for a fail-over setup. Both mysql-servers are running in their own container on two different host nodes.
Now, what mmm does is to manage a set of IP adresses, so that at any time a specific dynamically assigned IP belongs to one server still being on-line (in case one of them goes off-line). The mmm-monitor (running on an again different machine) sends the commands for acquiring or releasing a specific IP to the mmm-agent running inside the mysql-server container. When CTs are configured with venet, this setup doesn't work, since in this case the IP addresses are managed by CT0 and adding an IP from within a CT only affects that specific CT, but it has no effect whatsoever on CT0 and the world doesn't get to see this IP. So I tried to use veth instead (according to [2]). I configured on each mysql-server a virtual ethernet device. But then I realized that in order to make the virtual device on the host node accessible to the world, I need to manually add a route on CT0. Again this doesn't work for our mmm setup, since the IPs of the CTs (mysql-servers) need to be dynamically configured from inside the CT. Is there any way to let a CT manage its IP adresses itself without having to change anything on CT0? Thanks in advance Roman [1] http://mysql-mmm.org/ _______________________________________________ Users mailing list Users@openvz.org https://openvz.org/mailman/listinfo/users
