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    • TDP initialization interrupted during CVO reboot
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/TDP_initialization_interrupted_during_CVO_reboot
      During initialization of a TDP SnapMirror to CVO, the CVO was rebooted and the volume was left in a inconsistent state and offline. vol online: Error onlining volume "SVM:volume". Unable to set volume...During initialization of a TDP SnapMirror to CVO, the CVO was rebooted and the volume was left in a inconsistent state and offline. vol online: Error onlining volume "SVM:volume". Unable to set volume attributes for volume "volume" on Vserver "SVM". Reason: Volume was left in an inconsistent state by an aborted copy or an aborted snapmirror initial (level 0) transfer. In order to bring it online, you must either destroy and recreate the volume, or complete an initial snapmirror transfer or copy.
    • Does shutdown BlueXP Connector for maintenance affect Client I/O access to Cloud Volumes ONTAP?
      https://kb.netapp.com/Cloud/BlueXP/Cloud_Manager/Does_shutdown_BlueXP_Connector_for_maintenance_affect_Client_I_O_access
      Applies to BlueXP Connector Answer No, it doesn't affect client I/O access. Additional Information additionalInformation_text
    • How to reboot an Element storage node
      https://kb.netapp.com/on-prem/solidfire/Element_OS_Kbs/How_to_reboot_an_Element_storage_node
      This article outlines the procedure to reboot a storage node that is running Element Software. In rare instances, it may be necessary to reboot a storage node that is running Element software. This s...This article outlines the procedure to reboot a storage node that is running Element Software. In rare instances, it may be necessary to reboot a storage node that is running Element software. This should be done only when needed and under the direction of NetApp Support.
    • Host reboot causes other hosts to lose FC connections
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Host_reboot_causes_other_hosts_to_lose_FC_connections
      Applies to NetApp AFF-A200 Brocade Fibre Channel (FC) switches Windows and VMware ESXi hosts Issue When a host connected to NetApp storage via Brocade FC switches reboots, other hosts may lose connect...Applies to NetApp AFF-A200 Brocade Fibre Channel (FC) switches Windows and VMware ESXi hosts Issue When a host connected to NetApp storage via Brocade FC switches reboots, other hosts may lose connection to their NetApp FC LUNs
    • Single node Azure CVO reboots without Azure maintenance events
      https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Single_node_Azure_CVO_reboots_without_Azure_maintenance_events
      Azure CVO Single Node No Maintenance Events like freeze or NIC detach reboot Hyper-V shutdown of guest VM Single node Azure CVO is not reachable for an hour and rebooted Fri May 28 02:02:00 -0400 [Clu...Azure CVO Single Node No Maintenance Events like freeze or NIC detach reboot Hyper-V shutdown of guest VM Single node Azure CVO is not reachable for an hour and rebooted Fri May 28 02:02:00 -0400 [Cluster-01: mgwd: clus.reboot.rebootDetected:notice]: Cluster reboot was detected at 01/01/2021 00:00:00. Sequence number for the cluster reboot was 5. Estimated beginning time of the cluster reboot was 01/01/2021 CVO was stopped and Azure activity log showed that it was stopped by Cloud Manager.
    • AWS connector failed to upgrade
      https://kb.netapp.com/Cloud/BlueXP/Cloud_Manager/AWS_connector_failed_to_upgrade
      Applies to Cloud Manager Connector using proxy AWS cloud platform Issue AWS connector failed to upgrade.
    • E-Series EF600 unexpected reboot due to ancient IO with reason 0x429c002
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_EF600_unexpected_reboot_due_to_ancient_IO_with_reason_0x429c002
      Applies to E-Series EF600 Santricity OS version is earlier than 11.81 Issue Controller experienced unexpected reboot for ancient I/O. This triggered a core dump collection. ---- Log Entry #18 (Core 1)...Applies to E-Series EF600 Santricity OS version is earlier than 11.81 Issue Controller experienced unexpected reboot for ancient I/O. This triggered a core dump collection. ---- Log Entry #18 (Core 1) Jan-08-2024 10:30:59 AM ---- Reboot due to ancient IO, scsiOp=0x1464bedc0 poolId=0 opCode=28 age=330000ms 2024-01-08 08:57:17.131785 rebootReason 0x429c002, rebootReasonExtra 0x0
    • Panic after syncmirror plex failure - PANIC MSG = Process mgwd unresponsive
      https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Panic_after_syncmirror_plex_failure_PANIC_MSG_Process_mgwd_unresponsive
      Applies to Cloud Volumes ONTAP (CVO) Amazon Web Services (AWS) Issue MGWD panic after losing access to several disks PANIC MSG = Process mgwd unresponsive for 839 seconds (mgwd startup: "(4341)") in p...Applies to Cloud Volumes ONTAP (CVO) Amazon Web Services (AWS) Issue MGWD panic after losing access to several disks PANIC MSG = Process mgwd unresponsive for 839 seconds (mgwd startup: "(4341)") in process nodewatchdog on release 9.8P1 (C)
    • High disk latency after upgrade due to Flash Cache options being disabled
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/High_disk_latency_after_upgrade_due_to_Flash_Cache_options_being_disabled
      Applies to ONTAP 9.3 and later External cache options Issue High latency is seen after an ONTAP upgrade from 9.3 to higher releases Note: This can be seen due to an Active IQ alert and not due to late...Applies to ONTAP 9.3 and later External cache options Issue High latency is seen after an ONTAP upgrade from 9.3 to higher releases Note: This can be seen due to an Active IQ alert and not due to latency Disk utilization is at 100% but before was lower before upgrade Flash Cache options are off Cluster1::> system node external-cache show Node enabled rewarm mbuf-inserts pcs-size hya-caching ---------- ------- ------ ------------ -------- ----------- node1 true false false 256 false
    • ONTAP Select Node Unexpectedly Restarted
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/ONTAP_Select_Node_Unexpectedly_Restarted
      Applies to NetApp ONTAP Select VMware ESXi Description An ONTAP Select node/VM restarted unexpectedly restarted and automatically returned online
    • E-Series Controller reboots due to PANIC Exception caught in UTM initialize
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_Controller_due_to_PANIC_Exception_caught_in_UTM_initialize
      Applies to StorageGRID Appliances Simplex Configurations Issue Controller reboots and generates a controller health image. ---- Log Entry #0 (Core 0) Apr-18-2021 09:34:35 AM ---- 04/18/21-14:31:35 (tR...Applies to StorageGRID Appliances Simplex Configurations Issue Controller reboots and generates a controller health image. ---- Log Entry #0 (Core 0) Apr-18-2021 09:34:35 AM ---- 04/18/21-14:31:35 (tRAID): PANIC: Exception caught in UTM initialize, std::bad_alloc 2021-04-18 14:31:40.082239 Exception caught in UTM initialize, std::bad_alloc