How To Fix SMMSS_SQLJOBS090 - Do not mix tape and disk devices.

SAP Error Message - Details

• Message type: E = Error

• Message class: SMMSS_SQLJOBS - Message class for SMSS_SQLJOBS

• Message number: 090

• Message text: Do not mix tape and disk devices.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMMSS_SQLJOBS090 - Do not mix tape and disk devices. ?

  The SAP error message SMMSS_SQLJOBS090 indicates that there is a configuration issue related to the backup devices being used in your SAP system. Specifically, this error occurs when there is an attempt to mix tape and disk devices for backup operations, which is not allowed.
  Cause:
  The primary cause of this error is the configuration of the backup devices in the SAP system. If you have defined both tape and disk devices for backups and attempt to use them interchangeably in a single backup job, the system will raise this error. This can happen if:
  
  The backup job is configured to use both tape and disk devices.
  The backup strategy or policy is not clearly defined, leading to confusion in device usage.
  
  Solution:
  To resolve the SMMSS_SQLJOBS090 error, you can follow these steps:
  
  
  Check Backup Device Configuration:
  
  Go to the SAP system and check the configuration of your backup devices. Ensure that you are not mixing tape and disk devices in the same backup job.
  
  
  
  Modify Backup Job:
  
  If you have a backup job that is configured to use both types of devices, modify it to use only one type (either tape or disk). You can do this in the SAP GUI under the relevant backup job settings.
  
  
  
  Review Backup Strategy:
  
  Review your backup strategy to ensure that it clearly defines which devices should be used for backups. This will help prevent future occurrences of this error.
  
  
  
  Test Backup Job:
  
  After making the necessary changes, test the backup job to ensure that it runs successfully without any errors.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration or need more detailed guidance, refer to the SAP documentation or consult with your SAP Basis administrator.
  
  
  
  Related Information:
  
  Backup Types: Understand the differences between tape and disk backups, as well as their respective advantages and disadvantages.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other SAP users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and ensure that your backup processes run smoothly without mixing tape and disk devices.