And I forgot to mention, if it's a modern RHEL, it's very likely the heartbeat init script is disabled and /etc/init.d/corosync is used to start the HA services at boot.
On my CentOS 5.5 test system: $ chkconfig --list | egrep 'heartbeat|corosync' corosync 0:off 1:off 2:on 3:on 4:on 5:on 6:off heartbeat 0:off 1:off 2:off 3:off 4:off 5:off 6:off To see how the cluster is configured, from the linux shell: $ crm configure show On Tue, Aug 03, 2010 at 11:27:09AM -0700, Tony Hunter wrote: > On Tue, Aug 03, 2010 at 01:36:56PM -0400, Tim Macking wrote: > > I have a system that is in production and has issues. While I appreciate > > the link of books to read, I really came here looking for some help or > > advice. If anyone could offer some, I would be most grateful and > > appreciative. > > > > Telling me to go read is like telling someone who wants to know what the > > Golden Rule is to go read the Bible. > > > > Please, can anyone offer some advice or help her? > > Software isn't always installed via the rpm package manager. That you get > no output from 'rpm -q heartbeat' suggests it may have been installed from > sources. You could try 'rpm -qf /etc/init.d/heartbeat' to see if an rpm > package owns that file. > > But really, in order to help you (and for you to help yourself), the > version of heartbeat needs to be known. Find the heartbeat binary on your > system and get the version info with: > heartbeat -V > > > Thanks > > > > Now my original question: > > > > I am fairly new to Linux, specifically RedHat Enterprise. > > > > The project I have now is unraveling how 2 servers were setup with HA, why > > it is working (but not entirely), and how to get it configured correctly. > > > > I have read over the documentation at http://www.linux-ha.org/doc/ > > > > Currently I know there are 2 servers, both have HA setup and if one server > > fails it will switch over to the 2nd server with only 1 problem. MySQL > > fails to always load. The MySQL database is located on a SAN. > > > When I do: /etc/init.d/heartbeat status it says heartbeat is stopped. No > > process. > > When I do: rpm -q heartbeat d it says package heartbeat is not installed. > > > > If that is the case on both servers, how is it that it is working and that > > it switches over to the 2nd machine? > > > > Is there any other method that would be used? If so, how can I find out > > what/where this is? > > > > If it is using heartbeat, what am I missing? > > > > THEN, on the MySQL part, what process or script runs to restart MySQL and > > attach it to the SAN where the DB is located? > > > > I really appreciate any help. > > > > > > > > -----Original Message----- > > From: RaSca [mailto:[email protected]] > > Sent: Monday, August 02, 2010 9:43 AM > > To: [email protected]; General Linux-HA mailing list > > Subject: Re: [Linux-HA] HA configuration issues > > > > Il giorno Lun 02 Ago 2010 15:25:36 CET, Tim Macking ha scritto: > > > I am fairly new to Linux, specifically RedHat Enterprise. > > > The project I have now is unraveling how 2 servers were setup with HA, why > > > it is working (but not entirely), and how to get it configured correctly. > > > I have read over the documentation at http://www.linux-ha.org/doc/ > > [...] > > > > I strongly recommend you to give a look at Clusters From Scratch, here: > > http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Clusters_from_Scratc > > h/ > > > > It will be helpful to understand how the cluster can be configured from > > start. > > > > -- > > RaSca > > Mia Mamma Usa Linux: Niente è impossibile da capire, se lo spieghi bene! > > [email protected] > > http://www.miamammausalinux.org > > -- regards, --tony _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
