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Windows disk on E-Series volume rarely gets disconnected with Event ID 15

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Applies to

  • NetApp E-Series
  • SANtricity OS
  • SANtricity Windows Device Specific Module (DSM)
  • Automatic Load Balancing (ALB)
  • Multipath I/O (MPIO)
  • Volume ownership is changing

Issue

  • On rare occasions, Windows disk configured on E-Series volume suddenly gets disconnected
  • Windows system event indicates the following events:
    • Event ID 15  : The device, <PATH>, is not ready for access yet.
    • Event ID 157 : Disk X has been surprise removed
  • MPIO trace gathered by Windows host indicates DSM failed to return a path because of error c000000e

[control] utils_c7487 MPIOTokenOperationPath() - MPIOTokenOperationPath (FFFF9C0DE4F5B0A0): DSM failed to return a path because of error c000000e.

  • MAJOR-EVENT-LOG indicates implicit volume transfer happens almost at the same time

Event type: 2044
Event category: Internal
Description: IO shipping implicit volume transfer
Component type: Volume
Component location: Volume <VOLUME>
Logged by: Controller in bay <A/B>

Event type: 204A
Event category: Internal
Description: Auto Load Balancing implicit volume transfer
Component type: Volume
Component location: Volume <VOLUME>
Logged by: Controller in bay <A/B>

 

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