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FabricPool Windows SAN host remediation

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Applies to

  • ONTAP FabricPool
  • Microsoft Windows
    • Baremetal or Guest OS
    • Microsoft Windows Hyper-V
    • Windows Failover Cluster (WFC)
  • NTFS, ReFS Filesystems

Issue

  • During ONTAP FabricPool S3 tiering connection outage, Microsoft Windows may report:
    • I/O failures
    • BSOD
    • bad blocks, etc.
  • This may end up reflecting as Windows event log errors due to failures in flushing data or delayed writes.
  • Sample Windows error messages are shown below:

FabricPool bad block error.jpg

FabricPool Flush Data error.jpg

FabricPool write failure error.jpg

  • In case of ESXi based Windows GOS, ESXi  reports medium error: 
ESXi Medium error
2023-07-03T17:24:37.462Z cpu24:1049317)ScsiDeviceIO: 4161: Cmd(0x4598c07cac48) 0x2a, CmdSN 0x80000061 from world 1060283 to dev "naa.600a098038314b39335d554871744465" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x3 0x11 0xc Medium Error, LBA: 2023-07-03T17:24:37.462Z cpu24:1049317)122092400

 

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