Pacemaker − Part of the Pacemaker cluster resource manager
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.
−?, −−help
This text
−$, −−version
Version information
−V, −−verbose
Increase debug output
−Q, −−quiet
Display only essential output
Modes:
−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)
−S, −−snmp−traps=value
Send SNMP traps to this station
−C, −−snmp−community=value
Specify community for SNMP traps(default is NULL)
−T, −−mail−to=value
Send Mail alerts to this user. See also −−mail−from, −−mail−host, −−mail−prefix
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
−F, −−mail−from=value
Mail alerts should come from the named user
−H, −−mail−host=value
Mail alerts should be sent via the named host
−P, −−mail−prefix=value
Subjects for mail alerts should start with this string
−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
Start crm_mon as a background daemon and have it send email alerts:
# crm_mon −−daemonize −−mail−to user AT example DOT com −−mail−host mail.example.com
Start crm_mon as a background daemon and have it send SNMP alerts:
# crm_mon −−daemonize −−snmp−traps snmptrapd.example.com
Written by Andrew Beekhof
Report bugs to users AT clusterlabs DOT org