PACEMAKER

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
AUTHOR
REPORTING BUGS

NAME

Pacemaker − Part of the Pacemaker cluster resource manager

SYNOPSIS

crm_mon mode [options]

DESCRIPTION

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

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

OPTIONS

−?, −−help

This text

−$, −−version

Version information

−V, −−verbose

Increase debug output

−Q, −−quiet

Display only essential output

Modes (mutually exclusive):
−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 (preselected when run as *.cgi)

−s, −−simple−status

Display the cluster status once as a simple one line output (suitable for nagios)

Display Options:
−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

Additional Options:
−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).

EXAMPLES

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

AUTHOR

Written by Andrew Beekhof

REPORTING BUGS

Report bugs to users@clusterlabs.org