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    • Metrocluster OKM: The list of OKM hierarchy keys on one or both of the clusters is potentially corrupted
      https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/Metrocluster_OKM__The_list_of_OKM_hierarchy_keys_on_one_or_both_of_the_clusters_is_potentially_corrupted
      Applies to ONTAP 9.8 or later MetroCluster Onboard Key Management (OKM) Issue After a motherboard replacement, upgrade, or reboot the following was observed: km.mcc.okmkey.mismatch: This cluster is pa...Applies to ONTAP 9.8 or later MetroCluster Onboard Key Management (OKM) Issue After a motherboard replacement, upgrade, or reboot the following was observed: km.mcc.okmkey.mismatch: This cluster is part of a MetroCluster configuration. The list of OKM hierarchy keys on one or both of the clusters is potentially corrupted.
    • Trident backend definition update on MetroCluster switchover and -back made easy
      https://kb.netapp.com/Cloud/Astra/Trident/Trident_backend_definition_update_on_MetroCluster_switchover_and_-back_made_easy
      Applies to Trident for Kubernetes/Openshift (Clustered) ONTAP Metrocluster SVM-DR usage failover Description According to the online documentation, when an MetroCluster is in use, and a switchover or ...Applies to Trident for Kubernetes/Openshift (Clustered) ONTAP Metrocluster SVM-DR usage failover Description According to the online documentation, when an MetroCluster is in use, and a switchover or switchback happens (which fails over vserver-dr setups), several things need to be handled, the last of which is the adjustment of the SVM name (Point 6: SnapMirror SVM Disaster Recovery Workflow for Trident).
    • Node reports StorageFCAdapterFault_Alert for down or unused FC ports
      https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/Node_reports_StorageFCAdapterFault_Alert_for_down_or_unused_FC_ports
      FC ports in initiator mode The node sends AutoSupport alerts for StorageFCAdapterFault for down FC ports after every reboot. The reported port is not in use. The Metrocluster_Node subsystem health get...FC ports in initiator mode The node sends AutoSupport alerts for StorageFCAdapterFault for down FC ports after every reboot. The reported port is not in use. The Metrocluster_Node subsystem health gets degraded: cluster::> system health subsystem show Probable Cause: FC initiator adapter 4d is at fault. Ensure that the FC initiator link has not been tampered with. Verify the operational status of the FC initiator adapter by using the command "system node run -node
    • How to create RDM disks with Element VCP
      https://kb.netapp.com/Legacy/NetApp_HCI/OS/How_to_create_RDM_disks_with_Element_VCP
      Applies to NetApp HCI NetApp Element Plug-In for VMware vCenter (Element VCP) Raw device mapping (RDM) Description This article describes how to provision a volume directly to the virtual machine
    • Unable to restore SCSQL backup with RDM disks
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/Unable_to_restore_SCSQL_backup_with_RDM_disks
      Applies to SnapCenter Plug-in for SQL (SCSQL) SnapCenter Plugin for VMware vSphere (SCV) SQL DBs on RDM disks Attach/Clone/Restore failing to find an iSCSI initiators, although the connection of the d...Applies to SnapCenter Plug-in for SQL (SCSQL) SnapCenter Plugin for VMware vSphere (SCV) SQL DBs on RDM disks Attach/Clone/Restore failing to find an iSCSI initiators, although the connection of the disks is set to RDM Activity 'Cloning Resources' failed with error: Failed to clone resources, error isMount operation failed with error Failed to mount storage resource, error is None of the host initiators are logged into the controller. Resolution: Please make sure the supplied
    • MetroCluster cluster monitoring failed in OnCommand Unified Manager with error: "Unexpected HTTP response code received for storage-bridge-get-iter"
      https://kb.netapp.com/Cloud/Azure_NetApp_Files/OCUM_with_error__Unexpected_HTTP_response_code_received_for_storage_bridge_get_iter
      Monitoring failed for cluster <cluster_name>. Reason: An internal error has occurred during MetroCluster component fresh. 2020-04-09 00:19:00,028 ERROR [oncommand] [reconcile-1] [<clustre_name>] [c.n....Monitoring failed for cluster <cluster_name>. Reason: An internal error has occurred during MetroCluster component fresh. 2020-04-09 00:19:00,028 ERROR [oncommand] [reconcile-1] [<clustre_name>] [c.n.dfm.collector.OcieJmsListener] Error during MetroCluster component monitoring : MetroCluster component monitoring failed. Zapi execution failed Unexpected HTTP response code received for storage-bridge-get-iter from <cluster_name>: 502
    • RDM provision fails with: "Failed to create windows FileSystem"
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/RDM_provision_fails_with__Failed_to_create_windows_FileSystem
      Applies to SnapCenter Server (SC) 4.3 SnapCenter Plugin For Windows (SCW) 4.3 Issue RDM provision from PowerShell fails with Failed to create windows FileSystem
    • SCSQL clone refresh hangs and fails on connecting cloned RDM LUNs to the Windows VM
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/SCSQL_clone_refresh_hangs_and_fails_on_connecting_cloned_RDM_LUNs_to_the_Windows_VM
      The clone-refresh seems to be hung for hours, attempting to clone an SQL database to another host. Failed to Map virtual disk: Error Adding Raw Device Mapping -GetLunInformation returned false-<LUN_SE...The clone-refresh seems to be hung for hours, attempting to clone an SQL database to another host. Failed to Map virtual disk: Error Adding Raw Device Mapping -GetLunInformation returned false-<LUN_SERIAL> Later, after the maximum retries has been reached, the removal also fails multiple times: Failed to delete virtual disk: Error Deleting Raw Device Mapping - could not find the Raw Device mapping on ESX Server at VirtualizationAPI.CVirtualServer.UnmapVirtualDisk
    • System does not start after reboot with Unable to recover the local database of Data Replication Module
      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
    • Cannot remove Windows plug-in host in SnapCenter
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/Cannot_remove_Windows_plug-in_host_in_SnapCenter
      Applies to SnapCenter Server (SC) SnapCenter Plug-in for Microsoft Windows (SCW) VMware Raw Device Mapping (RDM) Issue Cannot remove Windows plug-in host in SC SQL Plug-in successfully removed from th...Applies to SnapCenter Server (SC) SnapCenter Plug-in for Microsoft Windows (SCW) VMware Raw Device Mapping (RDM) Issue Cannot remove Windows plug-in host in SC SQL Plug-in successfully removed from the SQL host UI error message: Cannot remove the host related objects from the database. This issue might occur if you try to delete multiple hosts at the same time. You must delete one host at a time.
    • SCSQL Log backup retention fails to delete the snapshot
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/SCSQL_Log_backup_retention_fails_to_delete_the_snapshot
      Applies to SnapCenter Plug-in for SQL Server[SCSQL] SCSQL Log Backup retention fails on the (HLD) Log Directory as it tries to delete the latest log snapshot that was created as a part of current back...Applies to SnapCenter Plug-in for SQL Server[SCSQL] SCSQL Log Backup retention fails on the (HLD) Log Directory as it tries to delete the latest log snapshot that was created as a part of current backup job Job fails with the error: Error: Remove Snapshot '<Snapshot name>' failed on volume '<SnapInfo_Volume>'. This Snapshot copy is currently used as a reference Snapshot copy by one or more SnapMirror relationships. Deleting the Snapshot copy can cause future SnapMirror operations to fail.