Nonrecoverable I/O error occurred on file ‘%ls’.

Details
Product: SQL Server
Event ID: 3271
Source: MSSQLServer
Version: 10.0
Component: SQLEngine
Symbolic Name: DMPIO_IO_ERROR
Message: A nonrecoverable I/O error occurred on file “%ls:” %ls.
   
Explanation

This is a general error that occurs when the operating system raises an error while performing I/O during a backup or restore operation. In most situations the cause is simply that the backup medium is full.

The error may include additional text from the operating system indicating that the disk is full. When performing a backup or restore operation with third-party backup software an additional message may occur indicating that the backup failed. The message may look similar to the following text:

“2005-08-02 16:05:16.04 spid55 Error: 18210, Severity: 16, State: 1. 2005-08-02 16:05:16.04 spid55 BackupVirtualDeviceFile::RequestDurableMedia: Flush failure on backup device ‘VDINULL’. Operating system error 995(The I/O operation has been aborted because of either a thread exit or an application request.).”

This is an indication that the backup software requested a termination of the backup or restore operation.

   
User Action

Perform the following tasks as appropriate:

  • Review the underlying system error messages and SQL Server error messages preceding this one to identify the cause of the failure.

  • Ensure that the backup and restore medium has sufficient space.

  • Correct any errors raised by third-party backup and restore software.

   
   
Version: 9.00.1281.60
Symbolic Name: DMPIO_IO_ERROR
Message: A nonrecoverable I/O error occurred on file “%ls:” %ls.
   
Explanation

This is a general error that occurs when the operating system raises an error while performing I/O during a backup or restore operation. In most situations the cause is simply that the backup medium is full.

The error may include additional text from the operating system indication that the disk is full. When performing a backup or restore operation with third-party backup software an additional message may occur indicating that the backup failed. The message may look similar to the following text:

“2005-08-02 16:05:16.04 spid55 Error: 18210, Severity: 16, State: 1. 2005-08-02 16:05:16.04 spid55 BackupVirtualDeviceFile::RequestDurableMedia: Flush failure on backup device ‘VDINULL’. Operating system error 995(The I/O operation has been aborted because of either a thread exit or an application request.).”

This is an indication that the backup software requested a termination of the backup or restore operation.

   
User Action

Perform the following tasks as appropriate:

  • Review the underlying system error messages and SQL Server error messages preceding this one to identify the cause of the failure.

  • Ensure that the backup and restore medium has sufficient space.

  • Correct any errors raised by third-party backup and restore software.

   
   
Version: 9.0
Component: SQLEngine
Symbolic Name: DMPIO_IO_ERROR
Message: A nonrecoverable I/O error occurred on file “%ls:” %ls.
   
Explanation

This is a general error that occurs when the operating system raises an error while performing I/O during a backup or restore operation. In most situations the cause is simply that the backup medium is full.

The error may include additional text from the operating system indication that the disk is full. When performing a backup or restore operation with third-party backup software an additional message may occur indicating that the backup failed. The message may look similar to the following text:

“2005-08-02 16:05:16.04 spid55 Error: 18210, Severity: 16, State: 1. 2005-08-02 16:05:16.04 spid55 BackupVirtualDeviceFile::RequestDurableMedia: Flush failure on backup device ‘VDINULL’. Operating system error 995(The I/O operation has been aborted because of either a thread exit or an application request.).”

This is an indication that the backup software requested a termination of the backup or restore operation.

   
User Action

Perform the following tasks as appropriate:

Review the underlying system error messages and SQL Server error messages preceding this one to identify the cause of the failure.

Ensure that the backup and restore medium has sufficient space.

Correct any errors raised by third-party backup and restore software.

   
   
Version: 8.0
Component: SQL Engine
Message: Nonrecoverable I/O error occurred on file ‘%ls’.
   
Explanation
The BACKUP or RESTORE command cannot finish because of an I/O error at the hardware or operating system level.
   
User Action
Follow these steps:

  • Verify the integrity of the media where the backup file resides. If this is a RESTORE operation and the backup file originally resided on another drive or machine, verify the integrity of the media where the backup file originally resided.
  • Check the Event Viewer logs and the SQL Server error log for additional errors that may occur around the same time.

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