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    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/AFF_A700_FAS9000_reports_Uncorrectable_ECC_error_on_NVRAM_after_power_outage
      Applies to AFF-A700 FAS9000 Issue After a power outage the node reports warning during the first boot WARNING: The NVRAM DIMM1 has caused UECC in the past. WARNING: The NVRAM DIMM2 has caused UECC in ...Applies to AFF-A700 FAS9000 Issue After a power outage the node reports warning during the first boot WARNING: The NVRAM DIMM1 has caused UECC in the past. WARNING: The NVRAM DIMM2 has caused UECC in the past. Please replace it as soon as possible!!! *******************************************************
    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Where_can_I_learn_more_about_Consistency_Points
      Some questions regarding Common Consistency Point, it benefits, usage, types, and measures are answered in this article.
    • https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/How_to_troubleshoot_Metadata_drive_moves_to_available_as_soon_as_adding_it
      Applies to NetApp Element software Storage Node Description Metadata drive moves to available a few minutes later after adding it.
    • https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/How_to_change_IOPs_of_AWS_CVO_NVRAM_disk_Boot_disk
      In some rare circumstances customers may want to change the IOPS on the AWS CVO NVRAM disk (can be shared with boot disk). Typically this is only in response to working with the Performance team in Ne...In some rare circumstances customers may want to change the IOPS on the AWS CVO NVRAM disk (can be shared with boot disk). Typically this is only in response to working with the Performance team in NetApp Support or a NetApp architect/Cloud resource. Note: The IOPS on the boot disk can be increased on a running system without any negative impact. Example: The boot disk is identified by EBS volume mounted on /dev/sda1 to the EC2 instance as shown in the screenshot below.
    • https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/NetApp_Element_Software__NVRAM_Partition_not_mounted
      Applies to NetApp Element software Issue Metadata drive is constantly being ejected Slice service unhealthy after adding metadata drive NVRAM Partition not mounted NVRAM device critical={Device: 0x100...Applies to NetApp Element software Issue Metadata drive is constantly being ejected Slice service unhealthy after adding metadata drive NVRAM Partition not mounted NVRAM device critical={Device: 0x1000004 Key: armStatusSaveNArmed, Device: 0x1000004 Key: notEnoughEnergyForCatastrophicSave}
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Node_reports_NVRAM_battery_power_fault_while_booting
      KB provides solution when Node reports NVRAM battery power fault while booting in FAS and AFF.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/After_replacing_NVDIMM_on_FAS9000_AFF_A700_error_message_Data_loss_is_likely_seen_on_boot
      Applies to FAS9000 AFF-A700 Issue After replacing NVDIMM on FAS9000 / AFF-A700, 'Data loss is likely' seen on boot ****************************************************************** * CRITICAL ERROR *...Applies to FAS9000 AFF-A700 Issue After replacing NVDIMM on FAS9000 / AFF-A700, 'Data loss is likely' seen on boot ****************************************************************** * CRITICAL ERROR * * NVRAM has detected errors. Ontap cleared the error. * * Data loss is likely. * ******************************************************************
    • https://kb.netapp.com/on-prem/solidfire/hardware_Kbs/Node_boot_process_stops_with_UEFI0067_error
      Applies to SF9605 Issue When booting up a node, boot stops with UEFI0067 error code: UEFI0067: A PCIe link training failure is observed in PCIe Slot 3 and the link is disabled. Check Additional Inform...Applies to SF9605 Issue When booting up a node, boot stops with UEFI0067 error code: UEFI0067: A PCIe link training failure is observed in PCIe Slot 3 and the link is disabled. Check Additional Information section for full screenshot
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_troubleshoot_correctable_memory_errors
      KBs covers information on how to troubleshoot correctable memory errors in AFF, FAS and V-Series systems
    • https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Azure_instance_shut_down_and_is_unable_to_boot_back_up
      Azure CVO instance shut down and won't boot back into ONTAP. When attempting to boot, it shuts itself down again. The Azure console reports the following upon boot up: PANIC: NVRAM jettison for dirty ...Azure CVO instance shut down and won't boot back into ONTAP. When attempting to boot, it shuts itself down again. The Azure console reports the following upon boot up: PANIC: NVRAM jettison for dirty shutdown of panic-mode vsim/vsa. in SK process rc on release 9.8P1 (C) on Thu Sep 23 17:45:53 GMT 2021 Writing panic info to HA mailbox disks. HA: current time (in sk_msecs) 10145 (in sk_cycles) 379727184508 coredump: warning: dump is aborted because a core in the dump device is not saved yet.
    • https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Cloud_Volumes_ONTAP_HA_for_AWS_NVRAM_Performance
      Applies to Cloud Volumes ONTAP (CVO) High Availability (HA) Amazon Web Services (AWS) Issue When CVO is used in an HA configuration on AWS with ONTAP 9.8 or earlier, increased NVRAM latency may be obs...Applies to Cloud Volumes ONTAP (CVO) High Availability (HA) Amazon Web Services (AWS) Issue When CVO is used in an HA configuration on AWS with ONTAP 9.8 or earlier, increased NVRAM latency may be observed