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LUNs going offline after Host migrations due to incorrect host mappings on E-Series

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Applies to

  • NetApp E-Series
  • SANtricity OS
  • Windows Hosts

Issue

  • Following a Host migration, reports of LUNs going offline from the Host with direct connections to E-Series array.
  • Windows event logs report: 

    • Volume needs to be taken offline to perform a Full Disk Check

    • A corruption was discovered in the filesystem structure on Volume. The exact nature of the corruption is unknown. The filesystem structure needs to be scanned online

  • E-Series MAJOR-EVENT-LOG reports intermittent Fibre Channel link errors:

B:7/22/26, 11:47:53 AM (11:47:53) 3184 1019 Extended Fibre Channel link down (greater than one minute) - Host-side: controller in bay B, port 3

A:7/22/26, 11:47:52 AM (11:47:52) 3183 1019 Extended Fibre Channel link down (greater than one minute) - Host-side: controller in bay A, port 3

A:7/22/26, 11:45:24 AM (11:45:24) 3180 1019 Extended Fibre Channel link down (greater than one minute) - Host-side: controller in bay A, port 5

B:7/22/26, 11:45:25 AM (11:45:25) 3179 1019 Extended Fibre Channel link down (greater than one minute) - Host-side: controller in bay B, port 5

  • STORAGE-ARRAY-PROFILE.TXT > HOST-TO-VOLUME ASSIGNMENTS reports Unassociated Host Ports and mappings to old Windows server:

    • STORAGE ARRAY                       
      Unassociated Host Ports             
      Host Port:  21:00:00:24:ff:xx:xx:xx 
      Host Port:  21:00:00:24:ff:xx:xx:xx 
      Host Port:  21:00:f4:e9:d4:xx:xx:xx 
      Host Port:  21:00:f4:e9:d4:xx:xx:xx 

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