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Thin LUN access is degraded and performance degradation

  1. Last updated
    Nov 22, 2021
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Category:
aff-series
Specialty:
san
Last Updated:
11/22/2021, 10:13:57 AM

Applies to

  • ONTAP 9.4P2
  • VMware
  • Linux
  • Windows

Issue

  • During SCSI UNMAP operations with thin LUN access becomes degraded and performance degradation occurs
  • tail -f /var/log/vmkernel.log indicates SCSI command failed Cmd 0x42 for SCSI UNMAP operations

 

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