table of contents
| 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: --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
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 users@clusterlabs.org
| December 2020 | Pacemaker 1.1.23-1.el7_9.1 |