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PACEMAKER(8) System Administration Utilities PACEMAKER(8) NAME Pacemaker - Part of the Pacemaker cluster resource manager SYNOPSIS crm_simulate <data source> <operation> [options] DESCRIPTION crm_simulate - simulate a Pacemaker cluster's response to events OPTIONS Help Options: -h, --help Show help options --help-all Show all help options --help-output Show output help --help-operations Show operations options --help-synthetic Show synthetic cluster event options --help-artifact Show artifact options --help-source Show data source options Output Options: --output-as=FORMAT Specify output format as one of: text (default), xml --output-to=DEST Specify file name for output (or "-" for stdout) Operations: -R, --run Process the supplied input and show what actions the cluster will take in response -S, --simulate Like --run, but also simulate taking those actions and show the re- sulting new status -X, --in-place Like --simulate, but also store the results back to the input file -A, --show-attrs Show node attributes -c, --show-failcounts Show resource fail counts -s, --show-scores Show allocation scores -U, --show-utilization Show utilization information -P, --profile=DIR Process all the XML files in the named directory to create profiling data -N, --repeat=N With --profile, repeat each test N times and print timings Synthetic Cluster Events: -u, --node-up=NODE Simulate bringing a node online -d, --node-down=NODE Simulate taking a node offline -f, --node-fail=NODE Simulate a node failing -i, --op-inject=OPSPEC Generate a failure for the cluster to react to in the simulation. See `Operation Specification` help for more information. -F, --op-fail=OPSPEC If the specified task occurs during the simulation, have it fail with return code ${rc}. The transition will normally stop at the failed action. Save the result with --save-output and re-run with --xml-file. See `Operation Specification` help for more informa- tion. -t, --set-datetime=DATETIME Set date/time (ISO 8601 format, see https://en.wikipedia.org/wiki/ISO_8601) -q, --quorum=QUORUM Set to '1' (or 'true') to indicate cluster has quorum -w, --watchdog=DEVICE Set to '1' (or 'true') to indicate cluster has an active watchdog device -g, --ticket-grant=TICKET Simulate granting a ticket -r, --ticket-revoke=TICKET Simulate revoking a ticket -b, --ticket-standby=TICKET Simulate making a ticket standby -e, --ticket-activate=TICKET Simulate activating a ticket Artifact Options: -I, --save-input=FILE Save the input configuration to the named file -O, --save-output=FILE Save the output configuration to the named file -G, --save-graph=FILE Save the transition graph (XML format) to the named file -D, --save-dotfile=FILE Save the transition graph (DOT format) to the named file -a, --all-actions Display all possible actions in DOT graph (even if not part of tran- sition) Data Source: -L, --live-check Connect to CIB manager and use the current CIB contents as input -x, --xml-file=FILE Retrieve XML from the named file -p, --xml-pipe Retrieve XML from stdin Application Options: -$, --version Display software version and exit -V, --verbose Increase debug output (may be specified multiple times) -Q, --quiet Display only essential output OPERATION SPECIFICATION Operation Specification: The OPSPEC in any command line option is of the form ${re- source}_${task}_${interval_in_ms}@${node}=${rc} (memcached_moni- tor_20000@bart.example.com=7, for example). ${rc} is an OCF return code. For more information on these return codes, refer to https://cluster- labs.org/pacemaker/doc/2.1/Pacemaker_Administra- tion/html/agents.html#ocf-return-codes EXAMPLES Pretend a recurring monitor action found memcached stopped on node fred.ex- ample.com and, during recovery, that the memcached stop action failed: crm_simulate -LS --op-inject memcached:0_monitor_20000@bart.exam- ple.com=7 --op-fail memcached:0_stop_0@fred.example.com=1 --save-output /tmp/memcached-test.xml Now see what the reaction to the stop failed would be: crm_simulate -S --xml-file /tmp/memcached-test.xml AUTHOR Written by Andrew Beekhof and the Pacemaker project contributors Pacemaker 2.1.11 August 2026 PACEMAKER(8)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | OPERATION SPECIFICATION | EXAMPLES | AUTHOR
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