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    • StorageGRID nodes in unknown state after improper shutdown
      https://kb.netapp.com/hybrid/StorageGRID/Maintenance/StorageGRID_nodes_in_unknown_state_after_improper_shutdown
      Applies to NetApp StorageGRID Issue One or more GRID nodes are in unknown state Unknown node's storagegrid-status reports services are running ​​​​​​​ Storage node's nodetool status reports UN for som...Applies to NetApp StorageGRID Issue One or more GRID nodes are in unknown state Unknown node's storagegrid-status reports services are running ​​​​​​​ Storage node's nodetool status reports UN for some nodes /var/local/log/nms.log on Primary Admin reports the following: MariaDBWrapper.java:1280: Cannot lock table. tempwritetree exists.
    • Some StorageGRID nodes irregularly change their status to unknown
      https://kb.netapp.com/hybrid/StorageGRID/Maintenance/Some_StorageGRID_nodes_irregularly_change_their_status_to_unknown
      Applies to NetApp StorageGRID 11.3 and above Issue State Changed Unknown Alarms for newly deployed Grid. Some StorageGRID nodes irregularly change their status to unknown. Some admin node services cha...Applies to NetApp StorageGRID 11.3 and above Issue State Changed Unknown Alarms for newly deployed Grid. Some StorageGRID nodes irregularly change their status to unknown. Some admin node services changing to the same state. The installation process also took longer than usual with some nodes losing connection.
    • StorageGRID storage node in unknown state due to power outage
      https://kb.netapp.com/hybrid/StorageGRID/Object_Mgmt/StorageGRID__a_storage_node_is_in_unknown_state
      Applies to StorageGRID Appliance Issue StorageGRID appliance in unknown state in storage grid graphical interface Storage node through ssh connection reports connection refused
    • AFF A800 internal disk partitions in unknown state
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/AFF_A800_internal_disk_partitions_in_unknown_state
      Applies to AFF A800 9.12.1P2 Issue Disk is seen normally by both nodes. All the partitions of a drive was reporting unknown state. 2.0.38.P1 6.98TB unknown - US-QAS-GC-NC03-D011C11305R0203 2.0.38.P2 -...Applies to AFF A800 9.12.1P2 Issue Disk is seen normally by both nodes. All the partitions of a drive was reporting unknown state. 2.0.38.P1 6.98TB unknown - US-QAS-GC-NC03-D011C11305R0203 2.0.38.P2 - - - US-QAS-GC-NC04-D011C11305R0203 2.0.38.P3 - unknown - US-QAS-GC-NC03-D011C11305R0203
    • StorageGRID node in unknown state with file system corruption
      https://kb.netapp.com/hybrid/StorageGRID/Platforms/StorageGRID_node_in_unknown_state_with_file_system_corruption
      StorageGRID storage node is in unknown state. Feb 17 15:42:22 StorageGRID-PGE kernel: [ 637.808897] XFS (dm-19): Corruption warning: Metadata has LSN (3280:189568) ahead of current LSN (3280:181209). ...StorageGRID storage node is in unknown state. Feb 17 15:42:22 StorageGRID-PGE kernel: [ 637.808897] XFS (dm-19): Corruption warning: Metadata has LSN (3280:189568) ahead of current LSN (3280:181209). Feb 17 15:42:22 StorageGRID-PGE kernel: [ 637.823863] XFS (dm-19): Metadata corruption detected at xfs_agi_read_verify+0x5a/0x100 [xfs], xfs_agi block 0x2 Feb 17 15:42:22 StorageGRID-PGE kernel: [ 637.834003] XFS (dm-19): Unmount and run xfs_repair
    • Storage Node losing connection to the GRID (Unknown state)
      https://kb.netapp.com/hybrid/StorageGRID/Alerts/Storage_Node_losing_connection_to_the_GRID_Unknown_state
      Applies to StorageGRID appliance 57xx Issue Storage node losing connection to StorageGRID and wont reconnect automatically: