OPERATIONAL DEFECT DATABASE
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BugZero found this defect 3802 days ago.
Failures occur during the File to tape or Backup to tape jobs. The jobname.log shows error messages similar to: error: The request could not be performed because of an I/O device error error: Tape fatal error.\nThe I/O bus was reset
Depending on the type of connection, controller or library used, periodic status requests may be handled too slowly and fill up the queue. As a result, Windows may try to recover by resetting the bus.
You may need to increase StorPort timeouts by creating a "StorPort" key with entries for all tape devices. You can get DEVICEID & INSTANCE with the following PowerShell command:
