05-16-2017
Yes of course. You didn't copy RavinderSingh13's entire proposal.
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LEARN ABOUT CENTOS
crm_shadow
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
-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
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 pacemaker@oss.clusterlabs.org
Pacemaker 1.1.10-29.el7 June 2014 PACEMAKER(8)