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    • EMS message 'fcp.io.status: state=8' frequently occurring
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/EMS_message_fcp_io_status__state_8_frequently_occurring
      Applies to All NetApp FAS / AFF Hardware Platforms All Data ONTAP Versions Issue The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_2: fcp.io.status:debug]: STIO Adapter:0f, fou...Applies to All NetApp FAS / AFF Hardware Platforms All Data ONTAP Versions Issue The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_2: fcp.io.status:debug]: STIO Adapter:0f, found hung cmd:0xffffff02023592b0(state=8, flags=0x1, ctio_sent=0/1,RecvExAddr=0x1222b0, OX_ID=0x5dc2, RX_ID=0xffff,SID=0x40004, Cmd[88])
    • EMS message 'fcp.io.status: Ext_Status 0x1d' frequently occurring
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/EMS_message_fcp_io_status__Ext_Status_0x1d_frequently_occurring
      The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_4: fcp.io.status:debug]: STIO Adapter:6b IO WQE failure, Handle 0x4, S_ID: 4A12xx, OX_ID: 362, Status 0x3 Ext_Status 0x1d STIO...The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_4: fcp.io.status:debug]: STIO Adapter:6b IO WQE failure, Handle 0x4, S_ID: 4A12xx, OX_ID: 362, Status 0x3 Ext_Status 0x1d STIO Adapter:2b IO WQE failure, Handle 0x1, Type 8, S_ID: 79DBxx, VPI: 275, OX_ID: DB7, Status 0x3 Ext_Status 0x1d Only the volume which is mount from VMware ESX using FC can not be accessed, but it is restored in less than a second. This results in a degradation of performance on the guest OS side.
    • EMS message 'fcp.io.status: state=5' frequently occurring
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/EMS_message_fcp_io_status__state_5_frequently_occurring
      fcp.io.status:debug:STIO Adapter:0x,found hung cmd state=5 errors observed in EMS logs from the same host SID: Performance issues observed on the affected ESXi host and when the VM is moved to other h...fcp.io.status:debug:STIO Adapter:0x,found hung cmd state=5 errors observed in EMS logs from the same host SID: Performance issues observed on the affected ESXi host and when the VM is moved to other host no performance issues observed For fault isolation, move the cable from the host to a different switch port and verify if the error persists
    • EMS message 'fcp.io.status: state=7' frequently occurring
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/EMS_message_fcp_io_status__state_7_frequently_occurring
      Applies to All NetApp FAS / AFF Hardware Platforms All Data ONTAP Versions Issue The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_2: fcp.io.status:debug]: STIO Adapter:5c, fou...Applies to All NetApp FAS / AFF Hardware Platforms All Data ONTAP Versions Issue The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_2: fcp.io.status:debug]: STIO Adapter:5c, found hung cmd:0xffffff012b273178(state=7, flags=0x1, ctio_sent=1/2,RecvExAddr=0x116cf8, OX_ID=0x1f, RX_ID=0xffff,SID=0x3a0900, Cmd[A3])
    • EMS message 'fcp.io.status: Ext_Status 0x5' frequently occurring
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/EMS_message_fcp_io_status__Ext_Status_0x5_frequently_occurring
      Applies to All NetApp FAS / AFF Hardware Platforms All Data ONTAP Versions Issue The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_1: fcp.io.status:debug]: STIO Adapter:4a IO W...Applies to All NetApp FAS / AFF Hardware Platforms All Data ONTAP Versions Issue The following error string appears in EMS logs: [NETAPP01: fct_tpd_thread_1: fcp.io.status:debug]: STIO Adapter:4a IO WQE failure, Handle 0x1, S_ID: 3D1F00, OX_ID: 52C, Status 0x3 Ext_Status 0x5 High WQE Errors reported in the EMS
    • VMs on FC datastore experience continuous/frequent disconnections along with fcp.io.status: AEN 0x8048 events due to faulty storage SFP
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/VMs_on_FC_datastore_with_continuous_disconnections_and_slow_response_on_single_node_with_AEX_0x8048_RECV_ERROR_messages_in_event_logs
      AEN 0x8048 (RECV_ERROR) messages frequently detected in event logs for the affected node, in specific FCP adapter. The target virtual port is:'NetApp FC Target Port (8324) Xxxx:xxxx_1x_0f'. The target...AEN 0x8048 (RECV_ERROR) messages frequently detected in event logs for the affected node, in specific FCP adapter. The target virtual port is:'NetApp FC Target Port (8324) Xxxx:xxxx_1x_0f'. The target virtual port is:'NetApp FC Target Port (8324) XGxxx3:xxx_1x_0f'. Check that the AEN 0X8048 messages are no longer present in the event logs. Verify that the "received optical power" for all the FC adapters is within expected values.
    • EMS message fcp.io.status AEN 0x8048 RECV_ERROR occurring
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/fcp_io_status_AEN_0x8048_RECV_ERROR
      If the SFP in the port reported has an unusually low TX value compared to the others (rule of thumb: less than 50%), replace the SFP If the SFP in the port reported has an unusually low RX value compa...If the SFP in the port reported has an unusually low TX value compared to the others (rule of thumb: less than 50%), replace the SFP If the SFP in the port reported has an unusually low RX value compared to the others (rule of thumb: less than 50%), check the TX value of the switch-side SFP If the SFP in the corresponding switch port has an unusually low TX value compared to the others, replace the SFP.