Tomasz Chmielewski wrote: > Dejan Muhamedagic wrote: >> Hi, >> >> On Sun, Nov 15, 2009 at 09:09:53PM +0100, Tomasz Chmielewski wrote: >>> I have two nodes, node_1 and node_2. >>> >>> node_2 was down, but is now up. >>> >>> >>> How can I execute a custom script on node_1 when it detects that node_2 >>> is back? >> That's not possible. What would you want to with that script? > > I have two PostgreSQL servers running; pgpool-ii is started by Heartbeat > to distribute the load (reads) among two servers and to send writes to > both servers. > > When one PostgreSQL server fails, the setup will still work fine. When > the failed PostgreSQL instance is back, the data should be first > "synchronized" from the running PostgreSQL server to a server which was > failed a while ago. > > It is best if such a script could be started by Heartbeat running on the > active node, as soon as it detects that the other node is back.
If you need such thing - I'd personally be most comfortable with not starting the cluster at boot time. Then you can do whatever you need to do and then - when you _know_ everything is right, the script is done etc. - start the cluster software. Just my personal preference. Regards Dominik _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
