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    • Node reporting false IO latency for partner owned disks
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Node_reporting_false_IO_latency_for_partner_owned_disks
      High latency is reported against a disk, but the reporting node does not own the disk. [Node01: disk_latency_monitor:shm.threshold.ioLatency:debug]: Disk 11d.63.9 has exceeded the expected IO latency ...High latency is reported against a disk, but the reporting node does not own the disk. [Node01: disk_latency_monitor:shm.threshold.ioLatency:debug]: Disk 11d.63.9 has exceeded the expected IO latency in the current window with average latency of 580 msecs and average utilization of 29 percent. Node that owns the disk reports no latency issue with the drive.
    • New Cisco Nexus 9336C-FX2 cluster switch is unsupported
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/New_Cisco_Nexus_9336C-FX2_cluster_switch_is_unsupported
      Applies to Cisco 9336C-FX2 ONTAP 9.1 - 9.4 ONTAP 9.5P1 - 9.5P15 ONTAP 9.6P1 - 9.6P11 ONTAP 9.7P1 - 9.7P9 Issue Cisco Nexus 9336C-FX2 showing as unsupported: HA Group Notification (Health Monitor proce...Applies to Cisco 9336C-FX2 ONTAP 9.1 - 9.4 ONTAP 9.5P1 - 9.5P15 ONTAP 9.6P1 - 9.6P11 ONTAP 9.7P1 - 9.7P9 Issue Cisco Nexus 9336C-FX2 showing as unsupported: HA Group Notification (Health Monitor process cshm: UnsupportedSwitch_Alert[Switch_Name]) ALERT CSHM-SWITCH-CONFIG.XML autosupport shows the switches as Unsupported Model System health alert for Unsupported cluster switch is detected
    • Service Processor status not visible on command line after upgrade
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Service_Processor_status_not_visible_on_command_line_after_upgrade
      Applies to FAS2650 ONTAP version: 9.3P4 SP version: 5.6P1 Issue After performing an SP (Service Processor) firmware upgrade to version 5.6P1, the SP status on one of the nodes might not be visible fro...Applies to FAS2650 ONTAP version: 9.3P4 SP version: 5.6P1 Issue After performing an SP (Service Processor) firmware upgrade to version 5.6P1, the SP status on one of the nodes might not be visible from the command line. cluster::> system service-processor show IP Firmware Node Type Status Configured Version IP Address ------------- ---- ----------- ------------ --------- ------------------------- Node1 SP online true 5.6P1 128.1.50.171 Error: show failed: Database is not open.
    • FAS8060: Environmental Reason Shutdown (Battery PCT capacity critical)
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/FAS8060__Environmental_Reason_Shutdown_Battery_PCT_capacity_critical
      FAS8060 The node just replaced motherboard suddenly shutdown and console log indicates below message. Tue Dec 15 19:08:48 KST [Nodename:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Envir...FAS8060 The node just replaced motherboard suddenly shutdown and console log indicates below message. Tue Dec 15 19:08:48 KST [Nodename:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Battery PCT capacity critical) The "system sensors" command displays "na": SP> system sensors filter Bat_Initial_Fcc Sensor Name | Current | Unit | Status | LCR | LNC | UNC | UCR Bat_Initial_Fcc | na | Amps * hour | ok | na | na | na | na
    • How does NetApp ensure the integrity of data on returned disks?
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_does_NetApp_ensure_the_integrity_of_data_on_returned_disks
      Disk Drives While handling Return Merchandise Authorization (RMA) disks: NetApp has established procedures for the management of Hard Disk Drives returned through the RMA process from the point of shi...Disk Drives While handling Return Merchandise Authorization (RMA) disks: NetApp has established procedures for the management of Hard Disk Drives returned through the RMA process from the point of shipment through testing, overwriting, and final disposition. At no point in this process do any NetApp or NetApp-contracted personnel access customer data residing on a returned drive. For more information regarding this process, refer to the Hard Disk Drive RMA & Data Overwriting Process page.
    • H610S NVDIMM persistenceLost True alert
      https://kb.netapp.com/on-prem/solidfire/hardware_Kbs/H610S_NVDIMM_persistenceLost_True_alert
      ‘persistenceLost’, True alert messages occur in NetApp SolidFire H610S NVDIMM. Refer to KB article to check the cause and appropriate steps to fix the issue.
    • Incorrect Shelf Sensor Thresholds after maintenance or replacement
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Incorrect_Shelf_Sensor_Thresholds_after_maintenance_or_replacement
      Temperature thresholds by element: [1] High critical: 52 C (125 F); high warning: 47 C (116 F) Low critical: 0 C (32 F); low warning: 5 C (41 F) [2] High critical: 60 C (140 F); high warning: 55 C (13...Temperature thresholds by element: [1] High critical: 52 C (125 F); high warning: 47 C (116 F) Low critical: 0 C (32 F); low warning: 5 C (41 F) [2] High critical: 60 C (140 F); high warning: 55 C (131 F) Low critical: 0 C (32 F); low warning: 5 C (41 F) [3] High critical: 60 C (140 F); high warning: 55 C (131 F) Low critical: 0 C (32 F); low warning: 5 C (41 F) [4] High critical: 60 C (140 F); high warning: 55 C (131 F) Low critical: 0 C (32 F); low warning: 5 C (41 F) [5] High critical: 60 C …
    • How to calculate and confirm how long drive firmware upgrade takes on E-Series
      https://kb.netapp.com/on-prem/E-Series/Management-Apps-KBs/How_to_calculate_how_long_drive_firmware_upgrade_will_take_on_E_Series
      The parallel drive firmware download operation can take as long as 90 seconds to complete if all drives are updated on a 24-drive system. I/O load on the storage array and the amount of I/O activity o...The parallel drive firmware download operation can take as long as 90 seconds to complete if all drives are updated on a 24-drive system. I/O load on the storage array and the amount of I/O activity occurring during an online firmware download operation (write-heavy workloads will cause the online firmware download time to increase) The start and complete time of Online Drive Firmware Upgrade (ODFU) can be confirmed by the following event from MAJOR-EVENT-LOG:
    • Single Path HA to NS224 Shelf
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Single_Path_HA_to_NS224_Shelf
      Applies to ONTAP 9 NS224 Issue Call home alerts for NoPathToNSMA/NoPathToNSMB Single path HA reported Jul 24, 2022 00:38:04 -0700 HA Group Notification (Health Monitor process nchm: NoPathToNSMB_Alert...Applies to ONTAP 9 NS224 Issue Call home alerts for NoPathToNSMA/NoPathToNSMB Single path HA reported Jul 24, 2022 00:38:04 -0700 HA Group Notification (Health Monitor process nchm: NoPathToNSMB_Alert[1234567890]) ALERT
    • NS224 sensors periodically go unavailable then recover
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/NS224_sensors_periodically_go_unavailable_then_recover
      Wed Oct 12 23:26:02 -0700 [Node-05: dsa_worker5: ses.status.ACPWarn:error]: NS224NSM100 (S/N SHFGB2118000055) shelf 10 on channel 0x ACP Processor warning for shelf ACP processor 1: communication erro...Wed Oct 12 23:26:02 -0700 [Node-05: dsa_worker5: ses.status.ACPWarn:error]: NS224NSM100 (S/N SHFGB2118000055) shelf 10 on channel 0x ACP Processor warning for shelf ACP processor 1: communication error. ; Alternate Control Path hardware failed . Wed Oct 12 23:26:02 -0700 [Node-05: dsa_worker5: ses.status.battery.error:error]: NS224NSM100 (S/N SHFGB2118000055) shelf 10 on channel 0x battery failure error for Coin Battery 1: not installed or hardware failure.
    • SwitchIfIslDownWarn_Alert alert from Link Aggregate XX
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/SwitchIfIslDownWarn_Alert_alert_from_Link_Aggregate_XX
      After upgrading ONTAP to 9.5P4, you are seeing the following health monitor alert: Probable Cause: The cable used to connect switch "netapp_switch_01/ Link Aggregate 10" to the ISL port might be fault...After upgrading ONTAP to 9.5P4, you are seeing the following health monitor alert: Probable Cause: The cable used to connect switch "netapp_switch_01/ Link Aggregate 10" to the ISL port might be faulty. Corrective Actions: 1) Check whether the cable is fully inserted into the interface port on both ends. reconnecting it, verify whether the link of the ISL port is up by executing the commands as per switch configuration guide or by checking whether the Link