.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.46.4.
.TH PACEMAKER "8" "June 2017" "Pacemaker 1.1.16" "System Administration Utilities"
.SH NAME
Pacemaker \- Part of the Pacemaker cluster resource manager
.SH SYNOPSIS
.B crm_diff
\fI\,original_xml operation \/\fR[\fI\,options\/\fR]
.SH DESCRIPTION
crm_diff \- A utility for comparing Pacemaker configurations (XML format)
.PP
The tool produces a custom (diff\-like) output which it can also apply like a patch
.SH OPTIONS
.TP
\-?, \fB\-\-help\fR
This text
.TP
\-$, \fB\-\-version\fR
Version information
.TP
\fB\-V\fR, \fB\-\-verbose\fR
Increase debug output
.SS "Original XML:"
.TP
\fB\-o\fR, \fB\-\-original\fR=\fI\,value\/\fR
XML is contained in the named file
.TP
\fB\-O\fR, \fB\-\-original\-string\fR=\fI\,value\/\fR
XML is contained in the supplied string
.SS "Operation:"
.TP
\fB\-n\fR, \fB\-\-new\fR=\fI\,value\/\fR
Compare the original XML to the contents of the named file
.TP
\fB\-N\fR, \fB\-\-new\-string\fR=\fI\,value\/\fR
Compare the original XML to the contents of the supplied string
.TP
\fB\-p\fR, \fB\-\-patch\fR=\fI\,value\/\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)
.TP
\fB\-u\fR, \fB\-\-no\-version\fR
Generate the difference without versions details
.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 patch.xml
.SH AUTHOR
Written by Andrew Beekhof
.SH "REPORTING BUGS"
Report bugs to users@clusterlabs.org