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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 - crm_diff can compare two Pacemaker configurations (in XML format) to produce a custom diff-like output, or apply such an output as a patch

OPTIONS

-?, --help
This text
-$, --version
Version information
Increase debug output

Original XML:

XML is contained in the named file
XML is contained in the supplied string

Operation:

Compare the original XML to the contents of the named file
Compare the original XML to the contents of the supplied string
Patch the original XML with the contents of the named file

Additional Options:

Compare/patch the inputs as a CIB (includes versions details)
Generate the difference without versions details

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 users@clusterlabs.org

December 2020 Pacemaker 1.1.23-1.el7_9.1