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Richard
Asked: 2011-11-23 12:32:58 +0800 CST

heartbeat: find out machine's status within a cluster?

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I'm trying to do some heartbeat debugging.

Is there a simple way to ask a machine whether it thinks it's part of a cluster, and whether it's the master or the slave?

I've tried 

$ heartbeat -s

But it only seems to print a very basic status - running with process ID, or not running.

linux high-availability failover heartbeat

2 Answers

  1. Are you using V1 or V2 syntax?

    With V1 there is cl_status rscstatus which will return the Cluster`s Idea of resource distribution (none, local, all).

    • none: All resource groups are running on a different node
    • local: All resource groups that belong to this node run on this node
    • all: All resource groups run on this node

    There are some other useful options for cl_status - just call it on the command line...

    Also try /etc/init.d/heartbeat status

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  2. As stated by @cyberx86, crm_mon shows the cluster status. If you want to use a graphical X11 application, hb_gui offers you that. hb_gui allows you to also control your cluster.

    hbgui screenshot

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