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