PACEMAKER - Online Linux Manual PageSection : 8
Updated : June 2018
Source : Pacemaker 1.1.18-3.el6
Note : System Administration Utilities
NAMEPacemaker − Part of the Pacemaker cluster resource manager
SYNOPSIScrm_shadow (query|command) [modifiers]
DESCRIPTIONcrm_shadow − Perform configuration changes in a sandbox before updating the live cluster. Sets up an environment in which configuration tools (cibadmin, crm_resource, etc) work offline instead of against a live cluster, allowing changes to be previewed and tested for side−effects.
OPTIONS−?, −−help This text −$, −−version Version information −V, −−verbose Increase debug output
Queries:−w, −−which Indicate the active shadow copy −p, −−display Display the contents of the active shadow copy −E, −−edit Edit the contents of the active shadow copy with your favorite $EDITOR −d, −−diff Display the changes in the active shadow copy −F, −−file Display the location of the active shadow copy file
Commands:−c, −−create=value Create the named shadow copy of the active cluster configuration −e, −−create−empty=value Create the named shadow copy with an empty cluster configuration. Optional: −−validate−with −C, −−commit=value Upload the contents of the named shadow copy to the cluster −D, −−delete=value Delete the contents of the named shadow copy −r, −−reset=value Recreate the named shadow copy from the active cluster configuration −s, −−switch=value (Advanced) Switch to the named shadow copy
Additional Options:−f, −−force (Advanced) Force the action to be performed −b, −−batch (Advanced) Don't spawn a new shell −a, −−all (Advanced) Upload the entire CIB, including status, with −−commit −v, −−validate−with=value (Advanced) Create an older configuration version
EXAMPLESCreate a blank shadow configuration: # crm_shadow −−create−empty myShadow Create a shadow configuration from the running cluster: # crm_shadow −−create myShadow Display the current shadow configuration: # crm_shadow −−display Discard the current shadow configuration (named myShadow): # crm_shadow −−delete myShadow Upload the current shadow configuration (named myShadow) to the running cluster: # crm_shadow −−commit myShadow
AUTHORWritten by Andrew Beekhof
REPORTING BUGSReport bugs to users@clusterlabs.org 0
Johanes Gumabo
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