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    • Controller resets: WARNING: Restart by watchdog time out on EOS domain and no Core Dump generated
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/Controller_reboots_with_Panic_message_WARNING__Restart_by_watchdog_time_out_on_EOS_domain
      No Core Dump has been captured on controller reset. The controller resets in the MAJOR-EVENT-LOG: A:7/3/20 2:12:01 PM (18:12:01) 47962 400f Controller reset by its alternate - Tray 0, Slot B ----> Reb...No Core Dump has been captured on controller reset. The controller resets in the MAJOR-EVENT-LOG: A:7/3/20 2:12:01 PM (18:12:01) 47962 400f Controller reset by its alternate - Tray 0, Slot B ----> Reboot Reason : VTM: REBOOTALT_VTM_UNTIL_FORCED_TRANSFER_COMPLETION B:7/3/20 2:14:01 PM (18:14:01) 48063 4010 Controller reset - Tray 0, Slot B ----> Reboot Reason : CMGR: REBOOT_CMGR_BY_ALTERNATE In the excLogShow of the STATE-CAPTURE-DATA: WARNING: Restart by watchdog time out on EOS domain
    • FlexArray controller reboot after disk failure on E-Series back-end
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/FlexArray_controller_reboot_after_disk_failure_on_E-Series_back-end
      Applies to FlexArray/V-Series E-Series ONTAP 9 Issue FAS controller reboots after disk failure on E-Series back-end.
    • Controller rebooted due to ALT NMI panic
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/Controller_rebooted_due_to_ALT_NMI_panic
      B:6/25/21 7:54:53 PM (02:54:53) 11236 400f Controller reset by its alternate - Tray 99, Slot A B:6/25/21 7:46:30 PM (02:46:30) 11206 1712 Controller wide port has gone to optimal state - Tray 99, Slot...B:6/25/21 7:54:53 PM (02:54:53) 11236 400f Controller reset by its alternate - Tray 99, Slot A B:6/25/21 7:46:30 PM (02:46:30) 11206 1712 Controller wide port has gone to optimal state - Tray 99, Slot A B:6/25/21 7:46:30 PM (02:46:30) 11205 1712 Controller wide port has gone to optimal state - Tray 99, Slot B B:6/25/21 7:46:30 PM (02:46:30) 11204 1712 Controller wide port has gone to optimal state - Tray 99, Slot B
    • E-Series unscheduled reboot with MPIO and DA error
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_unscheduled_reboot_with_MPIO_and_DA_error
      Volumes created between 11.40.2 and 11.50.2 with Data Assurance (DA) feature Using Storage Accelerator Features: Microsoft ODX or VMware VAAI Storage-assisted copy operations (Windows ODX or VMware VA...Volumes created between 11.40.2 and 11.50.2 with Data Assurance (DA) feature Using Storage Accelerator Features: Microsoft ODX or VMware VAAI Storage-assisted copy operations (Windows ODX or VMware VAAI) may result in false DA errors and/or controller reboot Controller report multipath (MPIO) error Major Event Log (MEL) may report the following: Data assurance mismatch detected - probable cause is cached data Host multipath driver configuration error detected Recovery Guru may report
    • Failed E-Series thin volumes resulting in recursive controller(s) reboot
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/Failed_E_Series_thin_volumes_resulting_in_recursive_controller_s_reboot
      Potentially, one or more failed thin provisioned volumes are reported in SANtricity management application. Controller(s) is/are recursively rebooting due to a software page fault exception. rbx = 0xf...Potentially, one or more failed thin provisioned volumes are reported in SANtricity management application. Controller(s) is/are recursively rebooting due to a software page fault exception. rbx = 0xffff800020856d30 rdx = 0xffff800020857a50 rcx = 0x0000000000000000 rax = 0xffff800020857a50 r11 = 0xffff80002069dfe0 r10 = 0x0000000000000000 r9 = 0x0000000000000000 r8 = 0x0000000000000200 rbx = 0xffff8000516260c0 rdx = 0x0000000000000005 rcx = 0x0000000000000800 rax = 0x0000000000000000
    • E-Series controller(s) reboots while performing unremoveDrive operation
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E_Series_controller_s_reboots_while_performing_unremoveDrive_operation
      Applies to NetApp E-Series Issue Controllers reclusively reboot and eventually lockdown due to Start of Day reboot limit exceed. When running commands against drive or configuration system reboot due ...Applies to NetApp E-Series Issue Controllers reclusively reboot and eventually lockdown due to Start of Day reboot limit exceed. When running commands against drive or configuration system reboot due to assertion. "ASSERT: Assertion failed: template N3vdm17RAIDVolumeManagerE"