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    • High CPU utilization due SecD memory issue
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/High_CPU_utilization_due_SecD_memory_issue
      High hostOS CPU is coming from SecD load Thu Nov 19 20:37:06 CET [Node-01: secd: secd.rpc.server.request.dropped:debug]: The RPC secd_rpc_auth_user_id_to_unix_ext_creds sent from NBLADE_NFS was droppe...High hostOS CPU is coming from SecD load Thu Nov 19 20:37:06 CET [Node-01: secd: secd.rpc.server.request.dropped:debug]: The RPC secd_rpc_auth_user_id_to_unix_ext_creds sent from NBLADE_NFS was dropped by SecD due to memory pressure. 00000023.3d2753ed 03357f70 Mon Nov 23 2020 00:17:48 +01:00 [kern_secd:info:14174] [SECD MASTER THREAD] SecD RPC Server:Too many outstanding Generic RPC requests: sending System Error to RPC 217:secd_rpc_auth_user_id_to_unix_ext_creds Request ID:16082.
    • Poor performance and high CPU usage in a single node due to a degraded DIMM
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Poor_performance_and_high_CPU_usage_in_a_single_node_due_to_a_degraded_DIMM
      Number of correctable ECC since boot 60362216: Information about Correctable ECC: ECC error at DIMM-xx: CE-03-2106-18AEE039,ADDR 0x5959b3100,(Node(1), Memory controller(0), CH(0), DIMM(0), Rank(0), Ba...Number of correctable ECC since boot 60362216: Information about Correctable ECC: ECC error at DIMM-xx: CE-03-2106-18AEE039,ADDR 0x5959b3100,(Node(1), Memory controller(0), CH(0), DIMM(0), Rank(0), Bank Group(2), Bank(0x0), Row(0x52ad), Col(0x2c0)) Number of correctable ECC since boot 60427752: Information about Correctable ECC: ECC error at DIMM-xx: CE-03-2106-18AEE039,ADDR 0x8698e9d00,(Node(1), Memory controller(0), CH(0), DIMM(0), Rank(1), Bank Group(0), Bank(0x0), Row(0x7d3f), Col(0x70))
    • Altavault What is too high memory usage?
      https://kb.netapp.com/Legacy/AltaVault/Altavault_What_is_too_high_memory_usage
      Applies to Altavault 4.4.1 Answer Memory usage is monitored in the Memory Paging report If 100 pages are swapped every couple of hours, the AltaVault is functioning properly If thousands of pages are ...Applies to Altavault 4.4.1 Answer Memory usage is monitored in the Memory Paging report If 100 pages are swapped every couple of hours, the AltaVault is functioning properly If thousands of pages are swapped every few minutes, then the System is using a lot of Memory Additional Information
    • Data Infrastructure Insights Workload Security data collector failed with correct settings in firewall and ONTAP
      https://kb.netapp.com/Cloud/BlueXP/DII/Data_Infrastructure_Insights_Workload_Security_data_collector_failed_with_correct_settings_in_firewall_and_ONTAP
      Data Infrastructure Insights (DII) (formerly Cloud Insights) Cloud Workload Security data collector Cloud Workload Security portal shows failed status for some added SVMs /Data Collectors and details ...Data Infrastructure Insights (DII) (formerly Cloud Insights) Cloud Workload Security data collector Cloud Workload Security portal shows failed status for some added SVMs /Data Collectors and details show Error: Agent004 or Error: Agent008 ..{"error":{"code":"InternalError","details":[{"code":"InternalError","message":"External fpolicy server terminated.","target":"audit"}],"message":"Connector is in error state.
    • SnapMirror transfer fails for large volumes with 'CSM: An operation did not complete within the specified timeout window'
      https://kb.netapp.com/on-prem/ontap/DP/SnapMirror/SnapMirror-KBs/SnapMirror_transfer_fails_for_large_volumes_with_CSM__An_operation_did_not_complete_within_the_specified_timeout_window
      Fri Mar 18 09:05:04 CEST 2020 ManualUpdate[Oct 9 09:00:54]:9863154b-77e1-11e8-8090-00a09864b794 Operation-Uuid=2cab1a60-09fd-11eb-b869-00a09867f2a6 Group=none Operation-Cookie=0 action=Defer source=sv...Fri Mar 18 09:05:04 CEST 2020 ManualUpdate[Oct 9 09:00:54]:9863154b-77e1-11e8-8090-00a09864b794 Operation-Uuid=2cab1a60-09fd-11eb-b869-00a09867f2a6 Group=none Operation-Cookie=0 action=Defer source=svm1:vol1 destination=svm2:vol2 status=Failure message=Transfer failed.(Replication operation request failed from Cluster Id: "Source Cluster Id", Node Id: "Source NodeId" to Cluster Id: "Destination ClusterId", Node Id: "Destination NodeId" due to a network error(CSM: An operation did not complete w…
    • SC verification failing with "Insufficient memory available in the buffer pool"
      https://kb.netapp.com/data-mgmt/SnapCenter/SC_KBs/SC_verification_failing_with_Insufficient_memory_available_in_the_buffer_pool
      Applies to SnapCenter Server (SC) SnapCenter Plug-in for Microsoft SQL (SCSQL) Microsoft SQL Server Issue SC verification failing for SQL User DBs SC job log Error: There is insufficient memory availa...Applies to SnapCenter Server (SC) SnapCenter Plug-in for Microsoft SQL (SCSQL) Microsoft SQL Server Issue SC verification failing for SQL User DBs SC job log Error: There is insufficient memory available in the buffer pool. An exception occurred while executing a Transact-SQL statement or batch.
    • How to check the CPU and Memory Reservations for AIQUM hosted on a VMware virtual machine
      https://kb.netapp.com/data-mgmt/AIQUM/AIQUM_Kbs/How_to_check_the_CPU_and_Memory_Reservations_for_AIQUM_hosted_on_a_VMware_virtual_machine
      Applies to VMware hosted virtual machines Active IQ Unified Manager Description Article covers how to check the CPU and Memory Reservations.
    • WAFL very low memory
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/WAFL_very_low_memory
      Applies to All Flash arrays over FCP, iSCSI or NVMe ONTAP 9.6 ONTAP 9.7P1 ONTAP 9.7P2 Issue Multiple EMS events can be seen over time: wafl.memory.statusLowMemory wafl.memory.statusVeryLowMemory Reboo...Applies to All Flash arrays over FCP, iSCSI or NVMe ONTAP 9.6 ONTAP 9.7P1 ONTAP 9.7P2 Issue Multiple EMS events can be seen over time: wafl.memory.statusLowMemory wafl.memory.statusVeryLowMemory Rebooting the system clears the EMS events for a few days
    • SanNav does not start all the services after installation
      https://kb.netapp.com/on-prem/Switches/Broadcom-KBs/SanNav_does_not_start_all_the_services_after_installation
      Applies to San Nav 2.1.1 Brocade Issue A newly installed SanNav shows the status: # check-sannav-status.sh User has selected to execute command Following services are currently restarting dcm-xxx faul...Applies to San Nav 2.1.1 Brocade Issue A newly installed SanNav shows the status: # check-sannav-status.sh User has selected to execute command Following services are currently restarting dcm-xxx faultmanagement-backend Following services are currently down elasticsearch Select option to proceed. 1 → help 2 → execute 3 → return to main menu
    • Can memory DIMM be replaced in H300 H500 H700
      https://kb.netapp.com/Legacy/NetApp_HCI/OS/Can_memory_DIMM_be_replaced_in_H300_H500_H700
      Applies to H300E H300S H500E H500S H700E H700S Answer Memory for H300, H500 and H700 is not an FRU Replace the node Additional Information DIMM for H410C, H610C, H615C is FRU.
    • Host lun IO errors and wafl low memory
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Host_lun_IO_errors_and_wafl_low_memory
      LUNs are online and mapped, but the host experiences I/O errors. Messages from the host: Mar 16 00:44:13 linux kernel: [2634397.672285] blk_update_request: I/O error, dev sddm, sector 106981280 Mar 16...LUNs are online and mapped, but the host experiences I/O errors. Messages from the host: Mar 16 00:44:13 linux kernel: [2634397.672285] blk_update_request: I/O error, dev sddm, sector 106981280 Mar 16 00:44:13 linux kernel: [2634397.672469] sd 7:0:1:19: [sddm] tag#72 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK EMS events on NetApp: Mon Mar 16 00:10:11 UTC [NetApp: wafl_exempt02: wafl.memory.statusVeryLowMemory:alert]: WAFL is running very low on memory, with 795MB remaining.