PACEMAKER(8) System Administration Utilities PACEMAKER(8)
NAME
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS
crm_diff original_xml operation [options]
DESCRIPTION
crm_diff - A utility for comparing Pacemaker configurations (XML format)
The tool produces a custom (diff-like) output which it can also apply like a patch
OPTIONS
-?, --help
This text
-$, --version
Version information
-V, --verbose
Increase debug output
Original XML:
-o, --original=value
XML is contained in the named file
-O, --original-string=value
XML is contained in the supplied string
Operation:
-n, --new=value
Compare the original XML to the contents of the named file
-N, --new-string=value
Compare the original XML to the contents of the supplied string
-p, --patch=value
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)
-f, --filter
Suppress irrelevant differences between the two inputs
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 patch.xml
AUTHOR
Written by Andrew Beekhof
REPORTING BUGS
Report bugs to pacemaker@oss.clusterlabs.org
Pacemaker 1.1.7 April 2012 PACEMAKER(8)
