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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/OHW/OHW-KBs/FAS2750_down_due_to_a_power_outage
      Applies to After a power outage one node does not come back online system health alert show point out PSU2 issue cluster::> system health alert show Probable Cause: PSU2 FRU is off. The nodes in this ...Applies to After a power outage one node does not come back online system health alert show point out PSU2 issue cluster::> system health alert show Probable Cause: PSU2 FRU is off. The nodes in this chassis are Possible Effect: The system might switch off if the other redundant power supply units (PSUs) become faulty. Check PSU2 FRU and switch it on. Refer to the Hardware specification guide for more information on the position of the power supply unit (PSU) and ways to check or replace it.
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/System_does_not_start_after_reboot_due_to_Unable_to_recover_the_local_database_of_Data_Replication_Module
      EMS log shows: NODE_B:rdb.recovery.failed:EMERGENCY]: Error: Unable to find a master. Unable to recover the local database of Data Replication Module: Management
    • https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/Volumes_are_missing_after_power_outage_of_ONTAP_Select_node
      Applies to ONTAP Select Issue Environment power issue causes ONTAP Select node/'s to go down ESXi hosts, Deploy node and ONTAP Select nodes powered on Running vol show at the clustershell shows vol's ...Applies to ONTAP Select Issue Environment power issue causes ONTAP Select node/'s to go down ESXi hosts, Deploy node and ONTAP Select nodes powered on Running vol show at the clustershell shows vol's are missing Running node run local then vol status shows all volumes online
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Node_reboot_because_of_Multi_Disk_Panic_with_one_or_more_shelves_missing
      raid type raid_dp in SK process config_thread on release 8.2.3P4 on Mon Feb 10 07:52:07 CET 2020version: 8.2.3P4: Fri May 29 14:06:54 PDT 2015compile flags: x86_64Writing panic info to HA mailbox disk...raid type raid_dp in SK process config_thread on release 8.2.3P4 on Mon Feb 10 07:52:07 CET 2020version: 8.2.3P4: Fri May 29 14:06:54 PDT 2015compile flags: x86_64Writing panic info to HA mailbox disks.HA: current time (in sk_msecs) 128169944521 (in sk_cycles) 299073053244098161CF monitor: takeover will occur on reboot If the shelf containing root aggregate disks, which includes mailbox disks, goes offline, partner will be unable to takeover and will generate Active IQ alert:
    • https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/Ontap_Select_won_t_start_after_power_outage
      Applies to ONTAP Select Issue After power outage, ONTAP Select is stuck at VLOADER. Any attempt to boot fails with VLOADER> boot can't find 'kernel' or hangs indefinitely:
    • https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/PANIC__nvram_mgr__cannot_read_nvramfile_disk_err_5
      Applies to NetApp ONTAP Select NetApp ONTAP Select Deploy VMware ESXi HPE ProLiant DL380 Gen10 (or other vendors) Issue HPE ProLiant DL380 Gen10 ESXi hosts are experiencing issues where the datastores...Applies to NetApp ONTAP Select NetApp ONTAP Select Deploy VMware ESXi HPE ProLiant DL380 Gen10 (or other vendors) Issue HPE ProLiant DL380 Gen10 ESXi hosts are experiencing issues where the datastores used by OTS sporadically go into an "inaccessible" state. Rebooting the host temporarily restores connectivity but the OTS node is unable to boot as it will panic: PANIC: nvram_mgr: cannot read nvramfile/disk, err=5
    • https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/ONTAP_iSCSI_LUNs_not_accessible_after_power_outage
      Applies to ONTAP 9 iSCSI Envronments Issue Hosts are unable to access iSCSI LUNs presented from NetApp Storage
    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Root_Volume_Recovery_required_after_an_unexpected_Power_Outage_or_HeadSwap
      Unexpected power outage causes ONTAP to boot with ‘Root Volume Recovery required’ message, '[cluster:callhome.root.vol.recovery.reqd:EMERGENCY]: Call home for ROOT VOLUME NOT WORKING PROPERLY: RECOVER...Unexpected power outage causes ONTAP to boot with ‘Root Volume Recovery required’ message, '[cluster:callhome.root.vol.recovery.reqd:EMERGENCY]: Call home for ROOT VOLUME NOT WORKING PROPERLY: RECOVERY REQUIRED'. KB articles provides recovery steps for ONTAP 9.4 or later and ONTAP 9.3 or earlier.
    • https://kb.netapp.com/on-prem/Switches/Brocade-KBs/Unable_to_save_Brocade_VDX_switch_configuration
      Applies to Brocade VDX6740 NOS 7.0.2, 7.1.0, 7.2.0, 7.3.0 Issue Brocade VDX switches are losing configuration after a power cycle or power failure.
    • https://kb.netapp.com/on-prem/E-Series/Hardware-KBs/How_to_determine_if_an_E-Series_expansion_tray_has_lost_power
      Applies to NetApp E-Series and EF-Series with expansion trays Description This article explains the symptoms that can be seen when an expansion tray loses and regains power.