| PACEMAKER(8) | System Administration Utilities | PACEMAKER(8) |
NAME¶
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS¶
crm_shadow <query>|<command> [options]
DESCRIPTION¶
perform Pacemaker configuration changes in a sandbox
This command 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 Options:¶
- -h, --help
- Show help options
- --help-all
- Show all help options
- --help-output
- Show output help
- --help-queries
- Show query help
- --help-commands
- Show command help
- --help-additional
- Show additional 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)
- --text-fancy
- Use more highly formatted output (requires --output-as=text)
Queries:¶
- -w, --which
- Indicate the active shadow copy
- -p, --display
- Display the contents of the active shadow copy
- -d, --diff
- Display the changes in the active shadow copy
- -F, --file
- Display the location of the active shadow copy file
Commands:¶
- -c, --create=name
- Create the named shadow copy of the active cluster configuration
- -e, --create-empty=name
- Create the named shadow copy with an empty cluster configuration. Optional: --validate-with
- -C, --commit=name
- Upload the contents of the named shadow copy to the cluster
- -D, --delete=name
- Delete the contents of the named shadow copy
- -E, --edit
- Edit the contents of the active shadow copy with your favorite $EDITOR
- -r, --reset=name
- Recreate named shadow copy from the active cluster configuration
- -s, --switch=name
- (Advanced) Switch to the named shadow copy
Additional Options:¶
- -f, --force
- (Advanced) Force the action to be performed
- -b, --batch
- (Advanced) Don't spawn a new shell
- -a, --all
- (Advanced) Upload entire CIB, including status, with --commit
- -v, --validate-with
- (Advanced) Create an older configuration version
Application Options:¶
- -$, --version
- Display software version and exit
- -V, --verbose
- Increase debug output (may be specified multiple times)
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 --force
Upload current shadow configuration (named myShadow) to running cluster:
- # crm_shadow --commit myShadow
AUTHOR¶
Written by Andrew Beekhof and the Pacemaker project contributors
| April 2024 | Pacemaker 2.1.7+20231219.0f7f88312-150600.4.7 |