如何解决CLoudwatch EBS卷磁盘空间警报
嗨,我正在尝试为Linux Ec2实例的磁盘使用率(/ apps / external / 4-sdf)-EBS卷创建cloudwatch警报,但是即使有足够的空间,我也会收到警报被触发:请问让我知道此警报有什么问题吗?
ApplicationVolumeDiskSpaceTooLowAlarm:
Type: "AWS::CloudWatch::Alarm"
Condition : CreateEc2DashBoard
Properties:
AlarmDescription: !Sub "${AppEc2Stack} - EBS /apps/external/4 Volume - application volume has low free space"
AlarmName: !Sub "EC2-ApplicationVolumeDiskSpaceTooLowAlarm-${AppEc2Stack}"
AlarmActions:
- !Ref NetcoolSNS
ComparisonOperator: LessThanOrEqualToThreshold
Dimensions:
- Name: AutoScalingGroupName
Value:
Fn::ImportValue:
!Sub ${AppEc2Stack}-AsgId
- Name: Volume
Value: "/apps/external/4"
EvaluationPeriods: 2
MetricName: "LogicalDisk % Free Space"
Namespace: "CWAgent"
Period: 300
Threshold: 5
Statistic: Average
TreatMissingData: !Ref CWAlarmTreatMissingData # "breaching"
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