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    • Trident provisioned LUN turns offline due to volume full and filesystem goes 'read-only'
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/Trident_provisioned_LUN_turns_offline_due_to_volume_full_and_filesystem_goes_'read-only'
      level=warn ts=<time> caller=grpc_logging.go:76 method=/logproto.Pusher/Push duration=234.509µs msg=gRPC err="create new segment file: open <filepath>: read-only file system" Data ONTAP sends an alert ...level=warn ts=<time> caller=grpc_logging.go:76 method=/logproto.Pusher/Push duration=234.509µs msg=gRPC err="create new segment file: open <filepath>: read-only file system" Data ONTAP sends an alert that a Trident volume (ontap-san backend) is full The volume and LUN are provided by Trident automatically according to below rule:
    • Is it possible to filter initiator groups or initiators in LUN mapping process in System Manager?
      https://kb.netapp.com/on-prem/ontap/DM/System_Manager/SM-KBs/Is_it_possible_to_filter_initiator_groups_or_initiators_in_LUN_mapping_process_in_System_Manager
      Applies to ONTAP System Manager (OSM) 9.8 Answer System Manager does not offer filters in the LUN mapping process​. In System Manager 9.8, filtering by initiator groups or initiators in LUN mapping pr...Applies to ONTAP System Manager (OSM) 9.8 Answer System Manager does not offer filters in the LUN mapping process​. In System Manager 9.8, filtering by initiator groups or initiators in LUN mapping process is not available. Users with large number of iGroups will need to scroll through the pages. Map a LUN to an initiator group using CLI Additional Information Please contact your NetApp or partner team for roadmap information.
    • IOPS only seen on one node due to indirect iscsi traffic
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/IOPS_only_seen_on_one_node_due_to_indirect_iscsi_traffic
      Applies to ONTAP 9.x Clustered Data ONTAP iSCSI Issue Indirect access on iSCSI SAN
    • Brocade Switch 5100 fan failure
      https://kb.netapp.com/on-prem/Switches/Brocade-KBs/Brocade_Switch_5100_fan_failure
      sensor 1: (Temperature ) is Ok, value is 23 C sensor 2: (Temperature ) is Ok, value is 9 C sensor 3: (Temperature ) is Ok, value is 17 C sensor 4: (Temperature ) is Ok, value is 11 C sensor 5: (Fan ) ...sensor 1: (Temperature ) is Ok, value is 23 C sensor 2: (Temperature ) is Ok, value is 9 C sensor 3: (Temperature ) is Ok, value is 17 C sensor 4: (Temperature ) is Ok, value is 11 C sensor 5: (Fan ) is Faulty sensor 6: (Fan ) is Faulty sensor 7: (Power Supply) is Ok sensor 8: (Power Supply) is Ok psshow: Power Supply #1 is OK Power Supply #2 is OK fanshow: Fan 1 is Faulty Fan 2 is Faulty
    • Multiple luns show paths unavailable on the windows host
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Multiple_luns_are__show_paths_unavailable_on_the_windows_host
      Windows host Multiple luns show path unavailable on the windows host. MPIO_confguration on host shows: Controller: xxxxxxxxxxxxx (State: Active) Controller: xxxxxxxxxxx (State: Active) TPG_State: Acti...Windows host Multiple luns show path unavailable on the windows host. MPIO_confguration on host shows: Controller: xxxxxxxxxxxxx (State: Active) Controller: xxxxxxxxxxx (State: Active) TPG_State: Active/Unoptimized, TPG_Id: 1001, TP_Id: 2 Controller: xxxxxxxxxxxxxx (State: Active) TPG_State: Active/Unoptimized, TPG_Id: 1001, TP_Id: 4 Adapter: Microsoft iSCSI Initiator... (B|D|F: 000|000|000) Controller: xxxxxxxxxxxxxxx (State: Active) ONTAP shows the paths are in transitioning state:
    • What privilege level is required to perform a firmware upgrade on Brocade switches?
      https://kb.netapp.com/on-prem/Switches/Broadcom-KBs/What_privilege_level_is_required_to_perform_a_firmware_upgrade_on_Brocade_switches
      Applies to All Brocade firmware levels All Brocade hardware platforms An account with Admin privileges will need to be logged into the switch in order to perform the 'firmwaredownload' command. Root p...Applies to All Brocade firmware levels All Brocade hardware platforms An account with Admin privileges will need to be logged into the switch in order to perform the 'firmwaredownload' command. Root privileges are not required for this scenario, but always recommended in case troubleshooting of an upgrade is needed after an attempt. Additional Information Please see How to upgrade Brocade switch firmware knowledge base article for further information on how to complete this type of procedure.
    • Vserver failed to initialize during switchover
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Vserver_failed_to_initialize_during_switchover
      Sat Sep 05 2020 12:53:10 GMT [netapp-01: bii_lu_qry: scsiblade.vol.lun.stale.map:ERROR]: Could not lookup the volume with MSID '0xc0002abclu' in Vserver 'svm_01'. This is an indication that there migh...Sat Sep 05 2020 12:53:10 GMT [netapp-01: bii_lu_qry: scsiblade.vol.lun.stale.map:ERROR]: Could not lookup the volume with MSID '0xc0002abclu' in Vserver 'svm_01'. This is an indication that there might be stale lun maps associated with the volume. Sat Sep 05 2020 12:53:10 GMT [netapp-01: bii_lu_qry: scsiblade.vol.lun.stale.map:ERROR]: Could not lookup the volume with MSID '0xc0002abblu' in Vserver 'svm_01'. This is an indication that there might be stale lun maps associated with the volume.
    • Node is out of CLAM quorum: Node Boot
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Node_is_out_of_CLAM_quorum__Node_Boot
      Applies to Clustered Data ONTAP 8 ONTAP 9 Issue A Node is out of 'CLAM quorum'. Autosupport: NODE(S) OUT OF CLUSTER QUORUM
    • ATTO Bridge Unexpected Reboot: Security scanner causing stale TCP connections
      https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/ATTO_Bridge_Unexpected_Reboot__Security_scanner_causing_stale_TCP_connections
      Applies to ONTAP 9.5 ATTO Bridge 7500 Platform ATTO Firmware 3.05 Issue Bridge Unexpected Reboot: Security scanner causing stale TCP connections
    • LIF is operationally down after unjoin the node
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/LIF_is_operationally_down_after_unjoin_the_node
      iSCSI LIF is down and unable to bring up after node unjoin/rejoin(node replacement) 2020-08-04T08:19:31.722Z cpu13:2314298)VMW_SATP_ALUA: satp_alua_issueCommandOnPath:735: Path "vmhba64:C11:T1:L6" (DO...iSCSI LIF is down and unable to bring up after node unjoin/rejoin(node replacement) 2020-08-04T08:19:31.722Z cpu13:2314298)VMW_SATP_ALUA: satp_alua_issueCommandOnPath:735: Path "vmhba64:C11:T1:L6" (DOWN) command 0xa3 failed with status Timeout. 2020-08-04T08:19:31.722Z cpu13:2314299)VMW_SATP_ALUA: satp_alua_issueCommandOnPath:735: Path "vmhba64:C11:T1:L7" (DOWN) command 0xa3 failed with status Timeout. H:0x5 D:0x0 P:0x0 Invalid sense data: 0x0 0x0 0x0.
    • SANnav Host Port connection is greyed out and Cannot be removed
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/SANnav_Host_Port_connection_is_greyed_out_and_Cannot_be_removed
      Applies to SANnav versions Below 2.2.2.1 Issue SANnav is showing an extra, possibly non-existent host that does not have redundant paths. Attempting to select the host/path to remove it does not work ...Applies to SANnav versions Below 2.2.2.1 Issue SANnav is showing an extra, possibly non-existent host that does not have redundant paths. Attempting to select the host/path to remove it does not work as the entry is greyed out and cannot be selected.