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    • Cluster switch not reachable via SNMP, CSHM (cluster switch health monitor) alert
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Cluster_switch_not_reachable_via_SNMP_CSHM_cluster_switch_health_monitor_alert
      Below health alert is triggered, after node reboot. SNMP configuration is checked to be correct and has not been changed prior to this alert. Probable Cause: Cluster switch "switch_name" with IP addre...Below health alert is triggered, after node reboot. SNMP configuration is checked to be correct and has not been changed prior to this alert. Probable Cause: Cluster switch "switch_name" with IP address "xx.xx.xx.xx" is not reachable via SNMP. SNMP community string might be configured on the cluster switch. Possible Effect: Cluster switch communication problems and Corrective Actions: Check the SNMP community string on the cluster switch to verify the expected community string is configured.
    • SwitchPowerNotPresent_Alert - AutoSupport Message
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/AutoSupport_Message_SwitchPowerNotPresent_Alert
      Applies to Cluster Network Switch ONTAP 9 Issue Cluster switch power supply showing as not present. Example AutoSupport EMS message: Sun Feb 07 18:03:45 CET [node_name: mgwd: callhome.hm.alert.major:a...Applies to Cluster Network Switch ONTAP 9 Issue Cluster switch power supply showing as not present. Example AutoSupport EMS message: Sun Feb 07 18:03:45 CET [node_name: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process cshm: SwitchPowerNotPresent_Alert[switch_name(switch_SN)/PowerSupply-2].
    • Cluster Switch health monitoring (CSHM) not working, IP address not reachable via SNMP
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Cluster_Switch_health_monitoring_CSHM_not_working_IP_address_not_reachable_via_SNMP
      Applies to ONTAP 9 Cluster Switches (Interconnect and Management) Issue Cluster not able monitor health status of the cluster network switches The following outputs may be seen: cluster::system cluste...Applies to ONTAP 9 Cluster Switches (Interconnect and Management) Issue Cluster not able monitor health status of the cluster network switches The following outputs may be seen: cluster::system cluster-switch> show Switch Type Address Model node1 cluster-network xx.xx.xx.xx CN1610 node2 cluster-network xx.xx.xx.xx CN1610 Serial Number: serial_number Is Monitored: false Reason: IP Address not reachable via SNMP Software Version: NetApp CN1610, 1.3.0.3, Linux 3.8.13-2de1cc1c Version Source: SNMP
    • Cluster switch health monitor shows incorrect firmware
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Cluster_switch_health_monitor_shows_incorrect_firmware
      Applies to ONTAP 9 Cluster Switch Health Monitor Issue Cluster switch health monitor reports the incorrect software version on a switch ::> system cluster-switch show-all Switch Type Address Model ---...Applies to ONTAP 9 Cluster Switch Health Monitor Issue Cluster switch health monitor reports the incorrect software version on a switch ::> system cluster-switch show-all Switch Type Address Model --------------------------- ------------------ ---------------- --------------- switch1 cluster-network 53.150.57.11 CN1610 Is Monitored: yes Reason: Software Version: 1.0.0.4 <--incorrect Version Source: ISDP
    • False Temperature Warning Alerts on Cluster Switch CN1610
      https://kb.netapp.com/on-prem/Switches/NetApp-KBs/False_Temperature_Warning_Alerts_on_Cluster_Switch_CN1610
      CN1610 cluster interconnect switches might generate temperature warnings that are very transient in nature and will not be recorded in the switch logs. The Cluster Switch Health Monitor (CSHM) will ge...CN1610 cluster interconnect switches might generate temperature warnings that are very transient in nature and will not be recorded in the switch logs. The Cluster Switch Health Monitor (CSHM) will generate a temperature warning alert when this occurs. They are simply indications that the switch has experienced a noticeable change in temperature. Critical temperature alerts (as opposed to warnings) indicate that the temperature change can lead to a switch shutdown.
    • HA Group Notification from xxxxxx (Health Monitor process cshm: SwitchCommunityString_Alert
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_Group_Notification_from_xxxxxx_Health_Monitor_process_cshm__SwitchCommunityString_Alert
      Applies to CN1610 ONTAP 9 CSHM (Cluster Switch Health Monitor) Issue HA Group Notification from xxxxxx (Health Monitor process cshm: SwitchCommunityString_Alert[xxxxxxxx]) ALERT is sent from the syste...Applies to CN1610 ONTAP 9 CSHM (Cluster Switch Health Monitor) Issue HA Group Notification from xxxxxx (Health Monitor process cshm: SwitchCommunityString_Alert[xxxxxxxx]) ALERT is sent from the system at random intervals and gets automatically corrected 10 minutes later
    • Cluster switch log collection periodically fails due to additional switches detected
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Cluster_switch_log_collection_periodically_fails_due_to_additional_switches_detected
      Applies to Cluster Switch Log collection Manual switch log collection status changes from initiated to - and Log Collection Enabled changes from true to false. Cluster::> system cluster-switch log col...Applies to Cluster Switch Log collection Manual switch log collection status changes from initiated to - and Log Collection Enabled changes from true to false. Cluster::> system cluster-switch log collect -device <device name> Log Collection Enabled: true 1 Cluster-switch-1(XXXXXXXXXXX) - initiated 2 Cluster-switch-2(XXXXXXXXXXX) - initiated 3 Cluster-switch-3(XXXXXXXXXXX) - initiated Cluster::> system cluster-switch log show Log Collection Enabled: false Index Switch Log Timestamp Status
    • Unable to add switches to Cluster Switch Health Monitor (CSHM) when IPv6 is used
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Unable_to_add_switches_to_Cluster_Switch_Health_Monitor_CSHM_when_IPv6_is_used
      Applies to All ONTAP releases All Cluster Network switches IPv6 Issue When only IPv6 is used for ONTAP and Cluster Network switches management, switches fail to be automatically added to CSHM Adding s...Applies to All ONTAP releases All Cluster Network switches IPv6 Issue When only IPv6 is used for ONTAP and Cluster Network switches management, switches fail to be automatically added to CSHM Adding switches manually to CSHM via system cluster-switch create reports error Error: command failed: Monitoring is not supported for IP addresses in the address family "ipv6"
    • CSHM fails to monitor Broadcom BES-53248 switch- reason Unsupported Model
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/CSHM_fails_to_monitor_Broadcom_BES-53248_switch-_reason_Unsupported_Model
      Applies to ONTAP 9 Cluster Switch Health Monitor (CSHM) Broadcom BES-53248 Issue CSHM reports Broadcom BES-53248 switch as "Unsupported Model". clusterA::> system cluster-switch show (9.8+ CLI: system...Applies to ONTAP 9 Cluster Switch Health Monitor (CSHM) Broadcom BES-53248 Issue CSHM reports Broadcom BES-53248 switch as "Unsupported Model". clusterA::> system cluster-switch show (9.8+ CLI: system switch ethernet show) Switch Type Address Model switch1a cluster-network 172.16.a.b BES-53248 Reason: None switch1b cluster-network 172.16.a.c OTHER Serial Number: XXXXXXXXXXX1 Is Monitored: true Reason: Unsupported Model Software Version: 3.4.3.3 Version Source: CDP/ISDP Also: Reason: Invalid SNMP
    • Plenty of 100MB mgwd log files per day
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Plenty_of_100MB_mgwd_log_files_per_day
      Applies to Switchless Cluster ONTAP 9 FAS8040 Fabric MetroCluster Issue On the node who own CSHM daemon is seen latency while accessing client_device_view table and mgwd.log is bigger than on the part...Applies to Switchless Cluster ONTAP 9 FAS8040 Fabric MetroCluster Issue On the node who own CSHM daemon is seen latency while accessing client_device_view table and mgwd.log is bigger than on the partner node. MGWD log: [kern_mgwd:info:1843] client_device_view.get_imp() returns: entry doesn't exist (latency: 120.341858s) SPI/etc/log/mlog
    • Health Monitor process cshm SwitchCommunityString_Alert
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Health_Monitor_process_cshm_SwitchCommunityString_Alert
      The HA Group Notification from xxxxxx (Health Monitor process cshm: SwitchCommunityString_Alert[xxxxxxxx]) ALERT is sent from the system at random intervals. Description: Cluster switch "Switch_A" wit...The HA Group Notification from xxxxxx (Health Monitor process cshm: SwitchCommunityString_Alert[xxxxxxxx]) ALERT is sent from the system at random intervals. Description: Cluster switch "Switch_A" with IP address "xxx.xxx.xxx.xxx" is not reachable via SNMP. Corrective Actions: Check the SNMP community string on the cluster switch to verify the expected community string is configured. Incorrect SNMP community string might be configured on the cluster switch.