Help Center/ Elastic Volume Service/ User Guide/ Cloud Eye Monitoring/ EVS Events Supported by Event Monitoring

Updated on 2025-07-30 GMT+08:00

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EVS Events Supported by Event Monitoring

**Table 1** Supported EVS events
Event Source	Namespace	Event Name	Event ID	Event Severity	Description	Handling Suggestion	Impact
EVS	SYS.EVS	Update disk	updateVolume	Minor	Update the name and description of an EVS disk.	No action is required.	None
		Expand disk	extendVolume	Minor	Expand the capacity of an EVS disk.	No action is required.	None
		Delete disk	deleteVolume	Major	Delete an EVS disk.	No action is required.	Deleted disks cannot be recovered.
		QoS upper limit reached	reachQoS	Major	The I/O latency increases as the QoS upper limits of the disk are frequently reached and flow control triggered.	Change the disk type to one with a higher specification.	The current disk may fail to meet service requirements.

Parent Topic: Cloud Eye Monitoring

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