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    • After FC migration end-users cannot log into applications and network slow
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/After_FC_migration_end-users_cannot_log_into_applications_and_network_slow
      Applies to ONTAP VMware Issue After completing Fiber channel (FC) vMotion storage migration to a new ONTAP system users report performance degradation or application access issues All ONTAP nodes are ...Applies to ONTAP VMware Issue After completing Fiber channel (FC) vMotion storage migration to a new ONTAP system users report performance degradation or application access issues All ONTAP nodes are impacted All ESXi/Virtual Machines (VM) servers accessing ONTAP LUN's are impacted
    • E-Series reports Fibre channel link errors - threshold exceeded  Critical error
      https://kb.netapp.com/on-prem/E-Series/Hardware-KBs/The_major_event_log_shows_the_Fibre_channel_link_errors_threshold_exceeded_Critical_error
      The controller has no sense data available for the requesting host and addressed logical unit combination.(0/00/00) Component type: Channel Component location: Host-side controller in bay A - port 3 L...The controller has no sense data available for the requesting host and addressed logical unit combination.(0/00/00) Component type: Channel Component location: Host-side controller in bay A - port 3 Logged by: Controller in bay A Internal checkpoint code:FCC_CODE_LINK_ERR_THRESHOLD_CRITICAL(16) Channel side:FC source side channel(0) Channel number:1003
    • VMWare hosts have only 1 path to storage out of 4 previously
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/VMWare_hosts_have_only_1_path_to_storage_out_of_4_previously
      Applies to ONTAP 9.x VMware Brocade Issue Path redundancy lost for multiple host types Negative performance impact Receive errors in EMS/Event log Admin down/up ports can temporarily get paths back Sh...Applies to ONTAP 9.x VMware Brocade Issue Path redundancy lost for multiple host types Negative performance impact Receive errors in EMS/Event log Admin down/up ports can temporarily get paths back Shutdown specific ports can resolve issues Example: fcp.io.status:debug]: STIO Adapter:0c AEN 0x8048 (RECV_ERROR) MboxStatus1 0x1008 MboxStatus2 0xc1 fcp.io.status:debug]: STIO Adapter:0c AEN 0x8048 (RECV_ERROR) MboxStatus1 0xfffe MboxStatus2 0x1