在SnapMirror作业期间收到"VeryLowMemory.statusVeryMemory" WAFL警报

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Category:: ontap-9

Specialty:: perf

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适用场景

ONTAP 9
SnapMirror

问题描述

在AutoSupport和event log show 命令的输出中可以看到多个WAFL is running very low on memory 事件
警报在一小时的同一分钟发生

Cluster1::> event log show Time Node Severity Event ------------------- ---------------- ------------- --------------------------- 6/17/2022 02:10:39 Cluster1-01 ALERT wafl.memory.statusVeryLowMemory: WAFL is running very low on memory, with 854MB remaining. 6/17/2022 01:10:37 Cluster1-01 ALERT wafl.memory.statusVeryLowMemory: WAFL is running very low on memory, with 891MB remaining.

命令 qos statistics volume resource cpu show 输出显示工作负载的CPU最高 _SNAPMIRROR

Cluster1::> qos statistics workload resource cpu show -node nodeB Workload ID CPU ------------------ ------ ----- -total- (100%) - 90% User-Default - 10% _SNAPMIRROR - 72% _Efficiency_BestEffort - 8%