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HealthCheck running at HCC UI is not responding or stuck
https://kb.netapp.com/Legacy/NetApp_HCI/OS/HealthCheck_running_at_HCC_UI_is_not_responding_or_stuck
Health check and logs of it gathered from https://mnode_IP/storage/1 page showing that it is stuck at the check_upload_speed step lastly: "<DATE TIME> | 13 | 110590 | MainProcess-HC-<mNode_IP> | valid...Health check and logs of it gathered from https://mnode_IP/storage/1 page showing that it is stuck at the check_upload_speed step lastly: "<DATE TIME> | 13 | 110590 | MainProcess-HC-<mNode_IP> | validation_checks:249 | INFO | Running check_upload_speed on node Node <node_hostname> [node_Id].","<DATE TIME> | 13 | 110590 | MainProcess-HC-<mNode_IP> | interfaces:147 | INFO | Updating status to : TaskState.running",
"system health subsystem show" entries missing post ONTAP upgrade
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/system_health_subsystem_show_entries_missing_post_ONTAP_upgrade
ONTAP 9 The system health subsystem show output will not report entries like MetroCluster, FHM-Switch, FHM-bridge, SAS-connect_Cluster post ONTAP upgrade for a few days. Command output with missing en...ONTAP 9 The system health subsystem show output will not report entries like MetroCluster, FHM-Switch, FHM-bridge, SAS-connect_Cluster post ONTAP upgrade for a few days. Command output with missing entries: 9 entries were displayed. Cluster-A::>system health subsystem show Subsystem Health SAS-connect ok Environment ok Memory ok Service-Processor ok Switch-Health ok CIFS-NDO ok Motherboard ok IO ok MetroCluster ok MetroCluster_Node ok FHM-Switch ok FHM-Bridge ok 13 entries were displayed.
Hybrid Cloud Control compute health check fails with BMC errors
https://kb.netapp.com/Legacy/NetApp_HCI/OS/Hybrid_Cloud_Control_compute_health_check_fails_with_BMC_errors
Applies to NetApp Hybrid Cloud Control NetApp Element software Issue On NetApp Hybrid Cloud Control: Node failed one or more health checks. Expand this row to view details When expanding the row, the ...Applies to NetApp Hybrid Cloud Control NetApp Element software Issue On NetApp Hybrid Cloud Control: Node failed one or more health checks. Expand this row to view details When expanding the row, the following descriptions appear: Is there correct mapping between ESXi host and hardware host(BMC)?
Does the NetApp Technical Support Center deliver ONTAP performance health checks or evaluations?
https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Does_the_NetApp_Technical_Support_Center_deliver_ONTAP_performance_health_checks_or_evaluations
The NetApp Technical Support Center does not deliver ONTAP performance health checks. If you are interested in a performance health check, please consult with your NetApp Support Account Manager (SAM)...The NetApp Technical Support Center does not deliver ONTAP performance health checks. If you are interested in a performance health check, please consult with your NetApp Support Account Manager (SAM) or account team. The NetApp tools Active IQ and Active IQ Unified Manager can provide you with proactive risk information, storage configuration best practices, and storage performance monitoring.
HCC storage upgrade health check fails
https://kb.netapp.com/Legacy/NetApp_HCI/OS/HCC_storage_upgrade_health_check_fails
Applies to NetApp Element Software below 12.2 Management Node (mNode) configured with FQDN Issue Storage health check that is run from HCC using the configured fully qualified domain name (FQDN) of th...Applies to NetApp Element Software below 12.2 Management Node (mNode) configured with FQDN Issue Storage health check that is run from HCC using the configured fully qualified domain name (FQDN) of the mNode doesn't start and fails with below error immediately: An error occurred that prevented the health check from running. If the problem persists, contact your technical support engineer.
Degraded status in outputs for system health status/config show
https://kb.netapp.com/Legacy/ONTAP/Clustered_Data_ONTAP_8/Degraded_status_in_outputs_for_system_health_status_config_show
The cluster triggers the following alert: One node does not respond to NODE CLI commands and the High Availability (HA) is degraded for a manual takeover process. Example at the end of the outputs: ZS...The cluster triggers the following alert: One node does not respond to NODE CLI commands and the High Availability (HA) is degraded for a manual takeover process. Example at the end of the outputs: ZSM - failed, status code = 572, extra = kSMF alternate path failed to host 127.0.0.1 with a kSMF ERROR: RPC: Port mapper failure - RPC: Timed out, max 110s [127.0.0.1:951]. All disk shelfs report that they are not connected to both controllers of the HA pair but the data is being served properly.
Is there any health check being performed before node reboot for Azure maintenance?
https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Is_there_any_health_check_being_performed_before_node_reboot_for_Azure_maintenance
Applies to Cloud Volumes ONTAP (CVO) Microsoft Azure Maintenance Events Health Check Node Reboot Answer No, no health check is being performed in this case Additional Information Azure HA rebooted wit...Applies to Cloud Volumes ONTAP (CVO) Microsoft Azure Maintenance Events Health Check Node Reboot Answer No, no health check is being performed in this case Additional Information Azure HA rebooted with Cloud provider event scheduled for node Type freeze
What sparing criteria does the 'Low number of spare disks' healthcheck use?
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/What_sparing_criteria_does_the_Low_number_of_spare_disks_healthcheck_use
The default value for the raid.disktype.enable option is off, which allows the mixing of disk types. What this means is that the following disk types are considered to be equivalent for the purposes o...The default value for the raid.disktype.enable option is off, which allows the mixing of disk types. What this means is that the following disk types are considered to be equivalent for the purposes of creating and adding to aggregates, and spare management: With the option raid.disktype.enable on or raid.mix.hdd.disktype off, they disable the mixing of supported drive types. For SSDs, the requirements are: 1 full spare SSD OR 1 spare partition for each partition in use on that node
How to check mNode functionality using mnode-support-util
https://kb.netapp.com/Legacy/NetApp_HCI/OS/How_to_check_mNode_functionality_using_mnode-support-util
Applies to NetApp HCI Element Management Node (mNode) 12.5 Hybrid Cloud Control (HCC) Management Services 2.19 and above Description How to run mNode health check and verify if mNode is functioning pr...Applies to NetApp HCI Element Management Node (mNode) 12.5 Hybrid Cloud Control (HCC) Management Services 2.19 and above Description How to run mNode health check and verify if mNode is functioning properly?
How to check the health of a Brocade FC SAN switch
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_check_the_health_of_a_Brocade_FC_SAN_switch
Applies to Brocade FOS 7.x and above Description How to check the health of Brocade switches in a fabric
Pre-upgrade health check reports error during E-series upgrade
https://kb.netapp.com/on-prem/E-Series/Management-Apps-KBs/Pre-upgrade_health_check_reports_error_during_E-series_upgrade
NetApp E-Series E2800 Unable to upgrade E-Series OS firmware or NVSRAM Upgrade is stuck after performing the pre-upgrade health check Pre-upgrade health check reports: The storage array is currently i...NetApp E-Series E2800 Unable to upgrade E-Series OS firmware or NVSRAM Upgrade is stuck after performing the pre-upgrade health check Pre-upgrade health check reports: The storage array is currently in a locked out mode (due to too many incorrect password attempts) or the storage array is experiencing a communication issue. Validate that the connection between the network and both controllers is still operational. If the connection is valid, wait 10 minutes and retry the operation.