DLm: DLm3451E: Device SCRATCH: Internal error while writing tape statistics for (SCRATCH)

Summary: Benign event, applicable only to scratch processing for Dynamic Data Retention Library (DDRL) volumes at DLm V5.4.0.0 and later firmware releases. Following successful scratch and erase, subsequent DLm3451E may trigger for the same volser but for a different file system. The file system in DLm3451E is the same as for the most recent mount on the same device. ...

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Symptoms

The following message sequence is observed in btilog, and where the file system name is different in DLm0501E vs. DLm3451E):
  
DLm0440I: Device <addr> scratch volume <volser> (/tapelibXXXXXX/DD1_FSB_FS2/<scratch volser>) mounted
…
DLm0500I: Scratch of volume <volser> requested by host via device <addr>, dsn=<DSN17>
DLm0501I: Volume <volser> (/tapelibXXXXXX/DD1_FSA_FS1/<volser>) scratched and erased
DLm3451E: Device *SCRATCH: Internal error while writing tape statistics for <volser> (SCRATCH): unable to stat tape file /tapelibXXXXXX/DD1_FSB_FS2/<volser>: No such file or directory


Cause

This is a Virtuent code issue that was introduced in V5.4.0.0.

 

Resolution

This is a benign event.
The scratch and erase processing completes successfully. Only statistical information for the scratch and erase event is not recorded. This is a new statistic in V5.4.0.0 and later releases.

This is under DLm Engineering review to be addressed in a later DLm firmware release.

 

This applies only to scratch processing for DDRL volumes at DLm V5.4.0.0 and later firmware releases. 
Following successful scratch and erase, subsequent DLm3451E may trigger for the same volser but for a different file system.
The file system in DLm3451E is the same as for the most recent mount on the same device.

Affected Products

Disk Library for mainframe DLm8500
Article Properties
Article Number: 000200245
Article Type: Solution
Last Modified: 15 Apr 2025
Version:  2
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