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    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/FAQ__NVMe_Flash_Cache_module_firmware_update
      Unlike previous iterations of Flash Cache where FW was available with system firmware, the NVMe Flash Cache FW is available on the NetApp Support Site Drive Firmware Page as part of the All FW package...Unlike previous iterations of Flash Cache where FW was available with system firmware, the NVMe Flash Cache FW is available on the NetApp Support Site Drive Firmware Page as part of the All FW package or as individual downloads. Unlike storage HDD or SSD firmware, there are no messages indicating that "firmware will now be updated". However, there are three EMS events that are logged in ONTAP 9.1 or later that track completion of the firmware update:
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Unable_to_determine_the_sharing_method_for_disk
      Ownership of the disks need to be assigned to the new system "B" Failure occurs when removing the owner of the root and the data partition of a disk formerly owned by system "A" Error: command failed:...Ownership of the disks need to be assigned to the new system "B" Failure occurs when removing the owner of the root and the data partition of a disk formerly owned by system "A" Error: command failed: Failed to remove the owner of disk "node02:1d.10.0". Reason: Cannot remove owner of disk "1d.10.0" because it is shared. The disk is partitioned for root-data partitioning, remove ownership from the partitions by entering both of the following commands:
    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/e0a_e0b_link_flaps_on_A300_FAS8200_A200_FAS2600_A220_FAS2700_C190_may_cause_a_Takeover
      Cluster ports e0a/e0b links flap or go down at the same time, with or without a node takeover. This could be caused by hardware failure on one of the nodes. KB article provides steps to identify the a...Cluster ports e0a/e0b links flap or go down at the same time, with or without a node takeover. This could be caused by hardware failure on one of the nodes. KB article provides steps to identify the affected node and resolve the issue.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/DIMM_mapped_out_with_error_0x30_during_boot_on_A300_A220_A200_FAS8200_FAS27xx_FAS26xx
      Applies to AFF A300 AFF A220 AFF A200 FAS8200 After a reboot, the system fails to boot with the error DIMM:x mapped out with the error code 0x30. Error on boot: System DIMM configuration is not suppor...Applies to AFF A300 AFF A220 AFF A200 FAS8200 After a reboot, the system fails to boot with the error DIMM:x mapped out with the error code 0x30. Error on boot: System DIMM configuration is not supported on FAS2650 Please check the DIMM placement on SLOT-2 ... BIOS Version: 11.2.1 Portions Copyright (C) 2014-2018 NetApp, Inc. All Rights Reserved. Initializing System Memory ... DIMM:2 mapped out. BIOS MRC HW R/W test error. Major / Minor Error Code: 0x30 / 0x1C Complete channel mapped out.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/INVALID_CHASSIS_CONFIGURATION_Incompatible_Partner_PCM
      Applies to FAS2500 series FAS2620 FAS2650 Issue The system might report something similar to: System Alert from SP of netapp02-01 (INVALID CHASSIS CONFIGURATION (Incompatible Partner PCM)) In the SP-S...Applies to FAS2500 series FAS2620 FAS2650 Issue The system might report something similar to: System Alert from SP of netapp02-01 (INVALID CHASSIS CONFIGURATION (Incompatible Partner PCM)) In the SP-SYSTEM-EVENT-LOG, you might also see: [SP.critical]: Rebooting SP due to loss of ACP comms
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/NetApp_adds_new_MAC_address_OUI_range_to_shipping_systems
      Storage controllers with MAC addresses from the new pool that are reverted to versions of ONTAP prior to those listed in the above section and joined to existing ONTAP clusters will continue to functi...Storage controllers with MAC addresses from the new pool that are reverted to versions of ONTAP prior to those listed in the above section and joined to existing ONTAP clusters will continue to function normally until such time as the final storage controller from the old MAC address pool is removed.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Service_processor_SP_firmware_upgrade_is_hung_not_completed_when_checked_from_system_service-processor_image_update-progress_show
      When firmware upgrade is performed via Service processor, error '(SPError splog_main: splog.warnings:error]: splogd is running in degraded mode and having difficulty getting splogs from the SP FW' is ...When firmware upgrade is performed via Service processor, error '(SPError splog_main: splog.warnings:error]: splogd is running in degraded mode and having difficulty getting splogs from the SP FW' is reported