node online

Brings the specified node or all nodes online.

For examples of how to use this command, see Examples.

Syntax

node online [/scheduler:<name>] {<node_name> | /all}  
  
node online {/? | /help}  

Parameters

Parameter Description
/scheduler:<name> Specifies the host name or IP address of the head node for the cluster that contains the node. The value must be a valid computer name or IP address. If you do not specify the /scheduler parameter, this command uses the scheduler on the head node that the CCP_SCHEDULER environment variable specifies.
<node_name> Specifies the name of the node that you want to bring online.
/all Brings all nodes online.
/? Displays Help at the command prompt.
/help Displays Help at the command prompt.

Remarks

  • If you specify a node that is already online, in the process of coming online, or in the process of going offline, this command fails. Specify only valid nodes that are currently offline for this command.

  • You must be a cluster administrator to run this command successfully.

Examples

To bring the node named computenode82 online, use the following command:

node online computenode82  

To bring all of the nodes in the HPC cluster online, use the following command:

node online /all  

To bring all of the nodes in the node group named MyNodeGroup online, use the following command at the command prompt:

for /f ″usebackq tokens=1 skip=2″ %i in (`node list /group:MyNodeGroup`) do node online %i  

To use the previous example in a .cmd or .bat file, replace each occurrence of %i with %%i.

Additional references