Crm_mon (8) Linux Manual Page

Pacemaker – Part of the Pacemaker cluster resource manager

Synopsis

crm_mon mode [options]

crm_mon – Provides a summary of cluster’s current state.

Outputs varying levels of detail in a number of different formats.

-h, –as-html=value: Write cluster status to the named html file
-X, –as-xml: Write cluster status as xml to stdout. This will enable one-shot mode.
-w, –web-cgi: Web mode with output suitable for cgi
-s, –simple-status: Display the cluster status once as a simple one line output (suitable for nagios)

-n, –group-by-node: Group resources by node
-r, –inactive: Display inactive resources
-f, –failcounts: Display resource fail counts
-o, –operations: Display resource operation history
-t, –timing-details: Display resource operation history with timing details
-c, –tickets: Display cluster tickets
-W, –watch-fencing: Listen for fencing events. For use with –external-agent, –mail-to and/or –snmp-traps where supported
-L, –neg-locations[=value]: Display negative location constraints [optionally filtered by id prefix]
-A, –show-node-attributes: Display node attributes
-D, –hide-headers: Hide all headers
-R, –show-detail: Show more details (node IDs, individual clone instances)
-b, –brief: Brief output
-j, –pending: Display pending state if ‘record-pending’ is enabled

-i, –interval=value: Update frequency in seconds
-1, –one-shot: Display the cluster status once on the console and exit
-N, –disable-ncurses: Disable the use of ncurses
-d, –daemonize: Run in the background as a daemon
-p, –pid-file=value: (Advanced) Daemon pid file location
-E, –external-agent=value: A program to run when resource operations take place.
-e, –external-recipient=value A recipient for your program (assuming you want the program to send something to someone).

Display the cluster status on the console with updates as they occur:

# crm_mon

Display the cluster status on the console just once then exit:

# crm_mon -1

Display your cluster status, group resources by node, and include inactive resources in the list:

# crm_mon –group-by-node –inactive

Start crm_mon as a background daemon and have it write the cluster status to an HTML file:

# crm_mon –daemonize –as-html /path/to/docroot/filename.html

Start crm_mon and export the current cluster status as xml to stdout, then exit.:

# crm_mon –as-xml

Written by Andrew Beekhof

Report bugs to pacemaker [at] oss.clusterlabs.org