pcluster start - Amazon ParallelCluster
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

pcluster start

Starts the compute fleet for a cluster that has been stopped.

pcluster start [ -h ] [ -c CONFIG_FILE ] [ -r REGION ] cluster_name

Positional arguments


Starts the compute fleet of the provided cluster name.

Named arguments

-h, --help

Shows the help text for pcluster start.


Specifies the alternative configuration file to use.

Defaults to ~/.parallelcluster/config.

-r REGION, --region REGION

Specifies the Amazon Web Services Region to use. Defaults to the Amazon Web Services Region specified by using the pcluster configure command.

Example using Amazon ParallelCluster version 2.11.7:

$ pcluster start mycluster Compute fleet status is: RUNNING. Submitting status change request. Request submitted successfully. It might take a while for the transition to complete. Please run 'pcluster status' if you need to check compute fleet status

This command sets the Auto Scaling Group parameters to one of the following:

  • The initial configuration values (max_queue_size and initial_queue_size) from the template that was used to create the cluster.

  • The configuration values that were used to update the cluster since it was first created.