powermac:~ andrew$ crm_standby --help
usage: crm_standby [-?V] -(u|U) -(D|G|v) [-l]
Options
        --help (-?)     : this help message
        --verbose (-V)  : turn on debug info. additional instances increase verbosity
        --quiet (-Q)    : Print only the value on stdout (use with -G)
        --get-value (-G)        : Retrieve rather than set the attribute
        --delete-attr (-D)      : Delete rather than set the attribute
        --attr-value (-v) <string>      : Value to use (ignored with -G)
        --node-uuid (-u) <node_uuid>    : UUID of the node to change
        --node-uname (-U) <node_uuid>   : uname of the node to change
        --lifetime (-l) <string>        : How long the preference lasts (reboot|forever)
            If a forever value exists, it is ALWAYS used by the CRM
            instead of any reboot value

Examples

1. Putting a node into standby mode
   

   crm_standby -U c001n02 -v on

2. Putting a node into normal mode
   

   crm_standby -U c001n02 -v off

3. Checking the node's standby status
   

   crm_standby -G -U c001n02

4. Removing a node's standby setting (also returns it to active mode)
   

   crm_standby -D -U c001n02

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