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- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/High_CPU_HOST_OS_CSM-BTLS_Slow_SnapMirror_on_FAS2500_ONTAP_9.6_or_higherHigh CPU in HOST domain, viewing TOP-BS from Weekly AutoSupports in Active IQ shows top consumer is CSM BTLS PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 2402 root 1 -16 - 0K 20K CPU3 ...High CPU in HOST domain, viewing TOP-BS from Weekly AutoSupports in Active IQ shows top consumer is CSM BTLS PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 2402 root 1 -16 - 0K 20K CPU3 3 39.0H 74.76% CSM BTLS 2404 root 1 -16 - 0K 20K CPU0 0 39.0H 73.58% CSM BTLS 2401 root 1 -16 - 0K 20K RUN 0 38.9H 73.49% CSM BTLS 2403 root 1 -16 - 0K 20K CPU2 2 38.9H 72.61% CSM BTLS
- https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/How_do_I_know_if_CPU_is_causing_a_performance_issueIs High CPU utilization causing a performance issue? Looking at the Cluster Components, the two main CPU resources are: If these two components make up the majority of your latency, then CPU is the pr...Is High CPU utilization causing a performance issue? Looking at the Cluster Components, the two main CPU resources are: If these two components make up the majority of your latency, then CPU is the primary factor in overall latency. In most AFF systems, CPU is the primary contributor to latency. It would be a 'problem' only if the latency seen is higher than expected. As with UM, if these two components comprise the majority of latency, then CPU is the primary factor in overall latency
- https://kb.netapp.com/hybrid/StorageGRID/Performance/StorageGRID_latency_seen_due_to_high_FabricPool_workloadApplies to NetApp StorageGRID 11.8 and above NetApp StorageGRID Appliances Issue Increased latency seen on StorageGRID side while there is a high FabricPool workload ongoing.
- https://kb.netapp.com/Legacy/OnCommand_Suite/node_resources_overutilized_Active_IQ_Unified_Manager_alert_is_receivedActive IQ Unified Manager (AIQUM) Active IQ Unified Manager "node resources overutilized" alert is received. Subject: Alert from OnCommand Unified Manager: Node Resources Over-utilized Warning Thresho...Active IQ Unified Manager (AIQUM) Active IQ Unified Manager "node resources overutilized" alert is received. Subject: Alert from OnCommand Unified Manager: Node Resources Over-utilized Warning Threshold Breached (State: New) Risk - Node Resources Over-utilized Warning Threshold Breached Impact Area - Performance Severity - Warning State - New Source - Node01 Trigger Condition - Perf.
- https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/CVO_does_not_recognize_CPU_of_over_16NetApp Cloud Volumes ONTAP (CVO) When CVO is set up using an instance of 64 CPUs, it recognizes as few as 16 CPUs. Using "m5.16xlarge" (AWS) instance. "m5.16xlarge" has 64 CPU. ::> node run -node clus...NetApp Cloud Volumes ONTAP (CVO) When CVO is set up using an instance of 64 CPUs, it recognizes as few as 16 CPUs. Using "m5.16xlarge" (AWS) instance. "m5.16xlarge" has 64 CPU. ::> node run -node cluster1-01 -command sysconfig -a System ID: XXXXXXXXX (clouster1-01); partner ID: XXXXXXXX (cluster1-02) System Serial Number: XXXXXXXX (Cluster1-01) System Storage Configuration: Unknown System ACP Connectivity: NA slot 0: System Board 2.5 GHz (Virtual Machine)
- https://kb.netapp.com/Cloud/Cloud_Volumes_ONTAP/Volume_move_slow_or_failing_in_CVO_possibly_after_an_ONTAP_upgradeApplies to NetApp Cloud Volumes ONTAP (CVO) SnapMirror Volume Move Deswizzler Issue CVO slow to respond to CLI commands or APIs Cloud Manager UI sporadically loses connectivity and may display the fol...Applies to NetApp Cloud Volumes ONTAP (CVO) SnapMirror Volume Move Deswizzler Issue CVO slow to respond to CLI commands or APIs Cloud Manager UI sporadically loses connectivity and may display the following message: Cloud Manager cannot communicate with Cloud Volumes ONTAP because there is no connectivity or because the Cloud Volumes ONTAP system is not available. Snapmirror updates may sporadically fail and EMS displays errors like smc.snapmir.schd.trans.overrun
- https://kb.netapp.com/Legacy/NetApp_HCI/Hardware/H610S_nodeOffline_with_BMC_hang_and_Core_temperature_above_threshold_cpu_clock_throttled_eventsApplies to H610S NetApp Element software Issue Node is reported offline Potential additional alerts for volume(s) offline. BMC is unreachable 'Core temperature above threshold, cpu clock throttled' ev...Applies to H610S NetApp Element software Issue Node is reported offline Potential additional alerts for volume(s) offline. BMC is unreachable 'Core temperature above threshold, cpu clock throttled' events show for the node in question in the Events page
- https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Takeover_attempt_aborted_due_to_destination_node_not_onlining_aggregate_in_timeApplies to All controller platforms ONTAP 9 ONTAP 8 Issue Storage failover (SFO) failed during Data ONTAP upgrade. High CPU and Disk Utilization
- https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/High_CPU_due_to_large_number_of_volume-list-info_zapi_calls[date] [mpm_event:notice] [pid x:tid x] Holding a connection from ipspace ID -1, remote address <client_ip> while 119 others are held and 80 are active [date] [mpm_event:notice] [pid x:tid x] A keepal...[date] [mpm_event:notice] [pid x:tid x] Holding a connection from ipspace ID -1, remote address <client_ip> while 119 others are held and 80 are active [date] [mpm_event:notice] [pid x:tid x] A keepalive connection from ipspace ID -1, remote address <client_ip> is being suspended between requests while the 80-connection limit has been reached. (80 active, 120 waiting) Clients should limit the number of concurrent keepalive connections to avoid large performance penalties and/or failures.
- https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/How_to_check_the_CPU_and_Memory_Reservations_for_AIQUM_hosted_on_a_VMware_virtual_machineApplies to VMware hosted virtual machines Active IQ Unified Manager Description Article covers how to check the CPU and Memory Reservations.
