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    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Low_Space_in_FabricPool_Performance_tier_leads_to_poor_performance
      Applies to ONTAP 9.2+ FabricPool Issue Poor throughput reading data from FabricPool aggregate Following Event log messages may also be reported: Thu Jul 23 14:36:49 EST [N2: wafl_exempt07: wafl.ca.mig...Applies to ONTAP 9.2+ FabricPool Issue Poor throughput reading data from FabricPool aggregate Following Event log messages may also be reported: Thu Jul 23 14:36:49 EST [N2: wafl_exempt07: wafl.ca.migrate.aggr.nospace:notice]: Aggregate aggr_N2_ssd_02: Current available space in the performance tier is below 30%%. Data migration from the capacity tier to the performance tier is stopped.
    • https://kb.netapp.com/on-prem/ontap/DM/FabricPool/FabricPool-KBs/How_to_determine_latency_with_FabricPool
      Applies to ONTAP FabricPool Description This article is meant to help determine if Fabricpool slowness is caused by ONTAP or by the attached Object Store
    • https://kb.netapp.com/hybrid/StorageGRID/Maintenance/StorageGRID_storage_node_LACP_Bond_does_not_start_after_reboot
      Applies to NetApp StorageGRID Issue Performance impact Rebooting Storage node the LACP Bond does not come up Intervention steps are required on the switch for example up / down switch ports to get wor...Applies to NetApp StorageGRID Issue Performance impact Rebooting Storage node the LACP Bond does not come up Intervention steps are required on the switch for example up / down switch ports to get working LACP going into suspend mode on the switches
    • https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Increased_read_latency_on_a_node_due_to_increased_FabricPool_cold_tier_reads
      Applies to ONTAP 9 FabricPool Issue Latency has suddenly increased on a node after a specific date This can be seen in both Active IQ Unified Manager and Active IQ Example: latency was 1 ms on Septemb...Applies to ONTAP 9 FabricPool Issue Latency has suddenly increased on a node after a specific date This can be seen in both Active IQ Unified Manager and Active IQ Example: latency was 1 ms on September 23, but September 24 is 25 ms or more for reads Multiple volumes report "Latency Critical Threshold Breached" alerts.