.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.16.
.TH PACEMAKER "8" "January 2021" "Pacemaker 2.0.5" "System Administration Utilities"
.SH NAME
Pacemaker \- Part of the Pacemaker cluster resource manager
.SH SYNOPSIS
crm_diff original_xml operation [options]
.SH DESCRIPTION
Compare two Pacemaker configurations (in XML format) to produce a custom diff\-like output, or apply such an output as a patch
.SH OPTIONS
.SS "Help Options:"
.TP
\fB\-h\fR, \fB\-\-help\fR
Show help options
.TP
\fB\-\-help\-all\fR
Show all help options
.TP
\fB\-\-help\-xml\fR
Show original XML options
.TP
\fB\-\-help\-operation\fR
Show operation options
.TP
\fB\-\-help\-additional\fR
Show additional options
.SS "Original XML:"
.TP
\fB\-o\fR, \fB\-\-original\fR=\fI\,FILE\/\fR
XML is contained in the named file
.TP
\fB\-O\fR, \fB\-\-original\-string\fR=\fI\,STRING\/\fR
XML is contained in the supplied string
.SS "Operation:"
.TP
\fB\-n\fR, \fB\-\-new\fR=\fI\,FILE\/\fR
Compare the original XML to the contents of the named file
.TP
\fB\-N\fR, \fB\-\-new\-string\fR=\fI\,STRING\/\fR
Compare the original XML with the contents of the supplied string
.TP
\fB\-p\fR, \fB\-\-patch\fR=\fI\,FILE\/\fR
Patch the original XML with the contents of the named file
.SS "Additional Options:"
.TP
\fB\-c\fR, \fB\-\-cib\fR
Compare/patch the inputs as a CIB (includes versions details)
.HP
\fB\-s\fR, \fB\-\-stdin\fR
.TP
\fB\-u\fR, \fB\-\-no\-version\fR
Generate the difference without versions details
.SS "Application Options:"
.TP
\-$, \fB\-\-version\fR
Display software version and exit
.TP
\fB\-V\fR, \fB\-\-verbose\fR
Increase debug output (may be specified multiple times)
.SH EXAMPLES
Obtain the two different configuration files by running cibadmin on the two cluster setups to compare:
.IP
# cibadmin \-\-query > cib\-old.xml
.IP
# cibadmin \-\-query > cib\-new.xml
.PP
Calculate and save the difference between the two files:
.IP
# crm_diff \-\-original cib\-old.xml \-\-new cib\-new.xml > patch.xml
.PP
Apply the patch to the original file:
.IP
# crm_diff \-\-original cib\-old.xml \-\-patch patch.xml > updated.xml
.PP
Apply the patch to the running cluster:
.IP
# cibadmin \-\-patch \-x patch.xml
.SH AUTHOR
Written by Andrew Beekhof