1PACEMAKER(8) System Administration Utilities PACEMAKER(8)
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6 Pacemaker - Part of the Pacemaker cluster resource manager
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9 crm_diff original_xml operation [options]
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12 Compare two Pacemaker configurations (in XML format) to produce a cus‐
13 tom diff-like output, or apply such an output as a patch
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16 Help Options:
17 -h, --help
18 Show help options
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20 --help-all
21 Show all help options
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23 --help-xml
24 Show original XML options
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26 --help-operation
27 Show operation options
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29 --help-additional
30 Show additional options
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32 Original XML:
33 -o, --original=FILE
34 XML is contained in the named file
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36 -O, --original-string=STRING
37 XML is contained in the supplied string
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39 Operation:
40 -n, --new=FILE
41 Compare the original XML to the contents of the named file
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43 -N, --new-string=STRING
44 Compare the original XML with the contents of the supplied
45 string
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47 -p, --patch=FILE
48 Patch the original XML with the contents of the named file
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50 Additional Options:
51 -c, --cib
52 Compare/patch the inputs as a CIB (includes versions details)
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54 -s, --stdin
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56 -u, --no-version
57 Generate the difference without versions details
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59 Application Options:
60 -$, --version
61 Display software version and exit
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63 -V, --verbose
64 Increase debug output (may be specified multiple times)
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67 Obtain the two different configuration files by running cibadmin on the
68 two cluster setups to compare:
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70 # cibadmin --query > cib-old.xml
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72 # cibadmin --query > cib-new.xml
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74 Calculate and save the difference between the two files:
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76 # crm_diff --original cib-old.xml --new cib-new.xml > patch.xml
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78 Apply the patch to the original file:
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80 # crm_diff --original cib-old.xml --patch patch.xml > up‐
81 dated.xml
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83 Apply the patch to the running cluster:
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85 # cibadmin --patch -x patch.xml
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88 Written by Andrew Beekhof and the Pacemaker project contributors
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92Pacemaker 2.1.7-0.1.rc1.fc39 November 2023 PACEMAKER(8)