How To Fix 1R421 - Insufficient disk space on file server

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 421

• Message text: Insufficient disk space on file server

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1R421 - Insufficient disk space on file server ?

  The SAP error message 1R421 indicates that there is insufficient disk space on the file server where SAP is trying to write data. This can occur during various operations, such as data uploads, backups, or when the system attempts to create temporary files.
  Causes:
  
  Full Disk: The most common cause is that the disk partition where the SAP application server or database is trying to write data is full.
  Large Files: Large files or logs may have accumulated over time, consuming available disk space.
  Temporary Files: Temporary files created during processing may not have been cleared out.
  Configuration Issues: Incorrect configuration of file paths or storage locations can lead to writing to a full disk.
  Backup Issues: If backups are not managed properly, they can consume significant disk space.
  
  Solutions:
  
  
  Free Up Disk Space:
  
  Identify and delete unnecessary files, such as old logs, temporary files, or unused backups.
  Archive old data that is not frequently accessed to a different storage medium.
  Use tools to analyze disk usage and identify large files or directories.
  
  
  
  Increase Disk Space:
  
  If possible, increase the size of the disk partition where SAP is installed.
  Add additional storage to the server if it is a virtual machine or cloud-based environment.
  
  
  
  Configure Automatic Cleanup:
  
  Set up automatic cleanup jobs for temporary files and logs to prevent future occurrences.
  Review and adjust retention policies for backups and logs.
  
  
  
  Check Configuration:
  
  Verify that the file paths configured in SAP are pointing to the correct locations and that those locations have sufficient space.
  Ensure that the SAP system is configured to use the appropriate directories for temporary files and backups.
  
  
  
  Monitor Disk Usage:
  
  Implement monitoring tools to keep track of disk usage and receive alerts when space is running low.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error.
  System Logs: Review system logs for additional context or related errors that may provide more insight into the issue.
  SAP Basis Team: Involve your SAP Basis team to assist with system configuration and maintenance tasks.
  
  By addressing the underlying cause of the insufficient disk space, you can resolve the error and prevent it from occurring in the future.