PACEMAKER

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
AUTHOR
REPORTING BUGS

NAME

Pacemaker − Part of the Pacemaker cluster resource manager

SYNOPSIS

crm_shadow (query|command) [modifiers]

DESCRIPTION

crm_shadow − Perform configuration changes in a sandbox before updating the live cluster.

Sets up an environment in which configuration tools (cibadmin, crm_resource, etc) work offline instead of against a live cluster, allowing changes to be previewed and tested for side−effects.

OPTIONS

−?, −−help

This text

−$, −−version

Version information

−V, −−verbose

Increase debug output

Queries:
−w
, −−which

Indicate the active shadow copy

−p, −−display

Display the contents of the active shadow copy

−E, −−edit

Edit the contents of the active shadow copy with your favorite $EDITOR

−d, −−diff

Display the changes in the active shadow copy

−F, −−file

Display the location of the active shadow copy file

Commands:
−c
, −−create=value

Create the named shadow copy of the active cluster configuration

−e, −−create−empty=value

Create the named shadow copy with an empty cluster configuration. Optional: −−validate−with

−C, −−commit=value

Upload the contents of the named shadow copy to the cluster

−D, −−delete=value

Delete the contents of the named shadow copy

−r, −−reset=value

Recreate the named shadow copy from the active cluster configuration

−s, −−switch=value

(Advanced) Switch to the named shadow copy

Additional Options:
−f
, −−force

(Advanced) Force the action to be performed

−b, −−batch

(Advanced) Don’t spawn a new shell

−a, −−all

(Advanced) Upload the entire CIB, including status, with −−commit

−v, −−validate−with=value

(Advanced) Create an older configuration version

EXAMPLES

Create a blank shadow configuration:

# crm_shadow −−create−empty myShadow

Create a shadow configuration from the running cluster:

# crm_shadow −−create myShadow

Display the current shadow configuration:

# crm_shadow −−display

Discard the current shadow configuration (named myShadow):

# crm_shadow −−delete myShadow

Upload the current shadow configuration (named myShadow) to the running cluster:

# crm_shadow −−commit myShadow

AUTHOR

Written by Andrew Beekhof

REPORTING BUGS

Report bugs to users@clusterlabs.org