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Slow read operations, latency, or loss of access due to outage in a FabricPool volume
https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/Slow_copy_operations_in_a_FabricPool_volume
Latency is seen in Cloud column of qos statistics volume latency show. ::> qos statistics volume latency show -volume vol1 -vserver svm1 Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud F...Latency is seen in Cloud column of qos statistics volume latency show. ::> qos statistics volume latency show -volume vol1 -vserver svm1 Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud FlexCache SM Sync --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- vol1 8036 32.21ms 797.00us 2.00us 3.38ms 52.00us 0ms 0ms 27.98ms 0ms 0ms vol1 8036 31.06ms 711.00us 5.00us 2.70ms 15.00us 0ms 0ms 27.63ms 0ms 0ms
Increased read latency on a node due to increased FabricPool cold tier reads
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.