PACEMAKER

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