# BOOTSTRAP\$1FAILURE\$1INSUFFICIENT\$1DISK\$1SPACE\$1WORKER
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## Overview
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 The `BOOTSTRAP_FAILURE_INSUFFICIENT_DISK_SPACE_WORKER` error indicates that one or more worker instances do not have enough disk space when installing necessary software. 

## Resolution
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 To resolve this error, confirm that your worker instances have sufficient disk space on the root volume. 

To troubleshoot the failed EMR cluster, refer to the `ErrorDetail` information returned from the `DescribeCluster` and `ListClusters` APIs. For more information, see [Error codes with ErrorDetail information in Amazon EMR](emr-troubleshoot-error-errordetail.md). The `ErrorData` array within `ErrorDetail` returns the following information for this error code:

**`worker-instance-ids`**  
The IDs of the worker instances with insufficient disk space.

**`public-doc`**  
The public URL of the documentation for the error code.

## Steps to complete
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1.  Review the best practices for your cluster’s EBS root device volume. See [Customizing the Amazon EBS root device volume](emr-custom-ami-root-volume-size.md) in the *Amazon EMR Management Guide*. 

1. Launch a new cluster with a larger EBS root device volume size.