| PACEMAKER(8) | System Administration Utilities | PACEMAKER(8) |
NAME¶
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS¶
crm_diff original_xml operation [options]
DESCRIPTION¶
Compare two Pacemaker configurations (in XML format) to produce a custom diff-like output, or apply such an output as a patch
OPTIONS¶
Help Options:¶
- -h, --help
- Show help options
- --help-all
- Show all help options
- --help-xml
- Show original XML options
- --help-operation
- Show operation options
- --help-additional
- Show additional options
Original XML:¶
- -o, --original=FILE
- XML is contained in the named file
- -O, --original-string=STRING
- XML is contained in the supplied string
Operation:¶
- -n, --new=FILE
- Compare the original XML to the contents of the named file
- -N, --new-string=STRING
- Compare the original XML with the contents of the supplied string
- -p, --patch=FILE
- Patch the original XML with the contents of the named file
Additional Options:¶
- -c, --cib
- Compare/patch the inputs as a CIB (includes versions details)
-s, --stdin
- -u, --no-version
- Generate the difference without versions details
Application Options:¶
- -$, --version
- Display software version and exit
- -V, --verbose
- Increase debug output (may be specified multiple times)
EXAMPLES¶
Obtain the two different configuration files by running cibadmin on the two cluster setups to compare:
- # cibadmin --query > cib-old.xml
- # cibadmin --query > cib-new.xml
Calculate and save the difference between the two files:
- # crm_diff --original cib-old.xml --new cib-new.xml > patch.xml
Apply the patch to the original file:
- # crm_diff --original cib-old.xml --patch patch.xml > updated.xml
Apply the patch to the running cluster:
- # cibadmin --patch -x patch.xml
AUTHOR¶
Written by Andrew Beekhof and the Pacemaker project contributors
| July 2022 | Pacemaker 2.1.4 |