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E-Series controller reboots for ancient IO during SCSI unmap

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Applies to

  • E-Series Controller Firmware: 08.25.09.00; 08.30.10.01 
  • E-Series Platforms: E27XX, E28XX, E55XX, E56XX, E57XX 
  • Configuration: Thin volumes with SCSI Unmap 

Issue

A controller reset for ancient IO occurs when doing an unmap operation on thin volumes.  A core capture is triggered by the reset:

Reboot due to ancient IO, scsiOp=0xffff800003784520 poolId=0 opCode=42 age=300023ms 

 

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