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What is Fast IO Timeout in the major event log ?

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Applies to

  • NetApp StorageGRID
  • NetApp E-Series
  • E2600
  • E2700
  • E2800 & EF280
  • E5400 & EF540
  • E5500 & EF550
  • E5600 & EF560
  • E5700 & EF570
  • SANtricity Rev 11.x

Answer

  • A Fast IO Timeout is logged when a drive’s response time to a fast flagged READ, sent to the array from a host exceeds the Controller Firmware’s 'fastIOTimeout' value threshold.
  • When a Fast IO Timeout occurs, the drive is placed on probation for up to 60 seconds or until the next READ or WRITE completes

Additional Information

  • Events can be seen in the major event log ( MEL ) with text including, for Solution

IOP_FAST_TIMEOUT_ERROR, Detection

 

 

 

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