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_shadow (query|command) [modifiers]
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12 crm_shadow - Perform configuration changes in a sandbox before updating
13 the live cluster.
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15 Sets up an environment in which configuration tools (cibadmin,
16 crm_resource, etc) work offline instead of against a live cluster,
17 allowing changes to be previewed and tested for side-effects.
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20 -?, --help
21 This text
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23 -$, --version
24 Version information
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26 -V, --verbose
27 Increase debug output
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29 Queries:
30 -w, --which
31 Indicate the active shadow copy
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33 -p, --display
34 Display the contents of the active shadow copy
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36 -E, --edit
37 Edit the contents of the active shadow copy with your favorite
38 $EDITOR
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40 -d, --diff
41 Display the changes in the active shadow copy
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43 -F, --file
44 Display the location of the active shadow copy file
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46 Commands:
47 -c, --create=value
48 Create the named shadow copy of the active cluster configuration
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50 -e, --create-empty=value
51 Create the named shadow copy with an empty cluster configura‐
52 tion. Optional: --validate-with
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54 -C, --commit=value
55 Upload the contents of the named shadow copy to the cluster
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57 -D, --delete=value
58 Delete the contents of the named shadow copy
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60 -r, --reset=value
61 Recreate the named shadow copy from the active cluster configu‐
62 ration
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64 -s, --switch=value
65 (Advanced) Switch to the named shadow copy
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67 Additional Options:
68 -f, --force
69 (Advanced) Force the action to be performed
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71 -b, --batch
72 (Advanced) Don't spawn a new shell
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74 -a, --all
75 (Advanced) Upload the entire CIB, including status, with --com‐
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78 -v, --validate-with=value
79 (Advanced) Create an older configuration version
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82 Create a blank shadow configuration:
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84 # crm_shadow --create-empty myShadow
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86 Create a shadow configuration from the running cluster:
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88 # crm_shadow --create myShadow
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90 Display the current shadow configuration:
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92 # crm_shadow --display
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94 Discard the current shadow configuration (named myShadow):
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96 # crm_shadow --delete myShadow
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98 Upload the current shadow configuration (named myShadow) to the running
99 cluster:
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101 # crm_shadow --commit myShadow
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104 Written by Andrew Beekhof
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107 Report bugs to users@clusterlabs.org
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111Pacemaker 1.1.19-8.el7_6.4 January 2019 PACEMAKER(8)