table of contents
PACEMAKER(8) | System Administration Utilities | PACEMAKER(8) |
NAME¶
Pacemaker - Part of the Pacemaker cluster resource managerSYNOPSIS¶
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:¶
- -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).
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
Start crm_mon as a background daemon and have it send email alerts:
- # crm_mon --daemonize --mail-to user@example.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
AUTHOR¶
Written by Andrew BeekhofREPORTING BUGS¶
Report bugs to users@clusterlabs.orgDecember 2016 | Pacemaker 1.1.16 |