SIMPLE SOLUTIONS

CRM_SHADOW(8) - Linux man page online | Administration and privileged commands

Part of the Pacemaker cluster resource manager.

Chapter
March 2020
PACEMAKER(8) System Administration Utilities PACEMAKER(8)

NAME

Pacemaker - Part of the Pacemaker cluster resource manager

SYNOPSIS

crm_shadow (query|command) [modifiers]

DESCRIPTION

crm_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: --vali‐ date-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

EXAMPLES

Create 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

AUTHOR

Written by Andrew Beekhof

REPORTING BUGS

Report bugs to @clusterlabs.org
Pacemaker 1.1.18 March 2020 PACEMAKER(8)
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