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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
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
SC VMDK discovery fails to determine storage system for LUN serial number
https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/SC_VMDK_discovery_fails_to_determine_storage_system_for_LUN_serial_number
SnapCenter Plug-In for Windows (SCW) SnapCenter Plug-In for Windows fails to discover a Virtual Machine Disk (VMDK) on a Virtual Machine and the follow error is generate in the VMControl.log file on t...SnapCenter Plug-In for Windows (SCW) SnapCenter Plug-In for Windows fails to discover a Virtual Machine Disk (VMDK) on a Virtual Machine and the follow error is generate in the VMControl.log file on the NetApp Data Broker Appliance 2020-11-11 01:01:01.001 ERROR <NDB/SCV appliance> --- [pXXXXXXXX-XXXX] c.n.a.s.c.SnapManagerStorageServiceImpl : Error: Failed to determine storage system for the LUN serial number <LUN Serial Number>, Target Name: <FC/ISCSI Target>, Storage System: <SVM Name>
Solaris FC hosts lost connectivity during switchover/switchback
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Solaris_FC_hosts_lost_connectivity_during_switchover_switchback
Apr 24 10:05:31 Solaris fctl: [ID 517869 kern.warning] WARNING: fp(0)::N_x Port with D_ID=12602, PWWN=200700a098680a8c reappeared in fabric Apr 24 10:05:31 Solaris fctl: [ID 517869 kern.warning] WARNI...Apr 24 10:05:31 Solaris fctl: [ID 517869 kern.warning] WARNING: fp(0)::N_x Port with D_ID=12602, PWWN=200700a098680a8c reappeared in fabric Apr 24 10:05:31 Solaris fctl: [ID 517869 kern.warning] WARNING: fp(2)::N_x Port with D_ID=22602, PWWN=200500a098680a8c reappeared in fabric Fri Apr 24 10:05:31 CEST [NetApp_N1: fct_tpd_work_thread_0: scsitarget.fct.portLogin:notice]: Login at target FC port: '3b' by initiator port: '21:00:00:24:ff:3e:be:27' address 0x20d00.
Brocade switch port(s) state showing as "Hard_Flt"
https://kb.netapp.com/on-prem/Switches/Broadcom-KBs/Brocade_switch_ports_state_showing_as_Hard_Flt
Brocade Switch One or more ports on Brocade switch are showing state as "Hard_Flt" Index Port Address Media Speed State Proto 20 20 051400 id 8G Hard_Flt FC 21 21 051500 id 8G Hard_Flt FC POD Port: Po...Brocade Switch One or more ports on Brocade switch are showing state as "Hard_Flt" Index Port Address Media Speed State Proto 20 20 051400 id 8G Hard_Flt FC 21 21 051500 id 8G Hard_Flt FC POD Port: Port is licensed portPhys: 15 Hard_Flt portScn: 2 Offline 2020/10/15-11:50:24, [C4-1002], 9154, FFDC | CHASSIS, ERROR, BrocadeG610, Port 20 chip failed due to an internal error. 2020/10/15-11:50:51, [C4-1002], 9155, FFDC | CHASSIS, ERROR, BrocadeG610, Port 21 chip failed due to an internal error.
How to disable NAE aggregate-level encryption with an SVM root volume and MDV_CRS volume
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_disable_NAE_aggregate-level_encryption_with_an_SVM_root_volume_and_MDV_CRS_volume
Applies to ONTAP 9.6+ NetApp Aggregate Encryption (NAE) NetApp Volume Encryption(NVE) MetroCluster SVM root volume MDV_CRS volume (For MetroCluster) Description Customer wants to change the current NA...Applies to ONTAP 9.6+ NetApp Aggregate Encryption (NAE) NetApp Volume Encryption(NVE) MetroCluster SVM root volume MDV_CRS volume (For MetroCluster) Description Customer wants to change the current NAE aggregate with an SVM root volume and MDV_CRS volume to Non-NAE/NVE environment Customer wants to create NVE or Non-NVE volume freely on this Non-NAE aggregate
How to move mroot to a new root aggregate in a 2-node Clustered MetroCluster with Switchover
https://kb.netapp.com/on-prem/ontap/mc/MC-KBs/How_to_move_mroot_to_a_new_root_aggregate_in_a_2-node_Clustered_MetroCluster_with_Switchover
Applies to MetroCluster FC 2-node ONTAP 9 Description In a 2-node clustered Data ONTAP MetroCluster configuration, the root volume can be moved to a new root aggregate non-disruptively through the use...Applies to MetroCluster FC 2-node ONTAP 9 Description In a 2-node clustered Data ONTAP MetroCluster configuration, the root volume can be moved to a new root aggregate non-disruptively through the use of Switchover. This article describes the procedure to be followed to move mroot to a new root aggregate in a 2-node Clustered MetroCluster with Switchover. The root vol migrate feature in ONTAP 9.0 is not possible in 2-node MetroCluster, therefore this alternate procedure must be used instead.
Ontap upgrade fails on quota state and security-style upgrade/revert task
https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Ontap_upgrade_fails_on_quota_state_and_security-style_upgrade_revert_task
During a ONTAP upgrade from ONTAP release 9.8 to 9.10.1, 9.11.1 or 9.12.1 the cluster image update process will pause on error and can not continue. One of the post-app upgrade tasks has failed and sh...During a ONTAP upgrade from ONTAP release 9.8 to 9.10.1, 9.11.1 or 9.12.1 the cluster image update process will pause on error and can not continue. One of the post-app upgrade tasks has failed and show as aborted under upgrade-revert show metrocluster1-01 1400 post-apps 1409 mgwd aborted volume_uuid table quota state and security-style upgrade/revert task metrocluster1-02 1400 post-apps 1409 mgwd aborted volume_uuid table quota state and security-style upgrade/revert task
How to confirm switchover safe after SAN issue
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_confirm_switchover_safe_after_SAN_issue
Applies to ONTAP 9 MetroCluster Description After troubleshooting port cyclic redundancy check (CRC) errors in SAN and SFP replacement Is it safe to carry out power maintenance with MetroCluster switc...Applies to ONTAP 9 MetroCluster Description After troubleshooting port cyclic redundancy check (CRC) errors in SAN and SFP replacement Is it safe to carry out power maintenance with MetroCluster switchover?