Key Operations Supported by CTS

Cloud Trace Service (CTS) records user operations performed on ECSs and related resources for further query, auditing, and backtracking.

CTS has been enabled.

**Table 1** ECS operations recorded by CTS
Operation	Resource Type	Trace
Creating an ECS	ecs	createServer createServerV2 createServerV21
Deleting an ECS	ecs	deleteServer deleteServerV2 deleteServerV21 deleteVmByNative
Starting an ECS	ecs	startServer
Restarting an ECS	ecs	rebootServer
Stopping an ECS	ecs	stopServer
Adding an ECS NIC	ecs	addNic
Deleting an ECS NIC	ecs	deleteNic delNic
Attaching a disk	ecs	attachVolume attachVolumeV2
Attaching a disk (on the EVS console)	ecs	attachVolume
Detaching a disk	ecs	detachVolume
Reinstalling an OS	ecs	reinstallOs reInitOs
Changing an OS	ecs	changeOs reInitOs
Modifying specifications	ecs	resizeServer
Enabling automatic recovery on an ECS	ecs	addAutoRecovery
Disabling automatic recovery on an ECS	ecs	deleteAutoRecovery
Updating metadata or setting metadata of a specified key (excluding the agency name)	ecs	updateMetadata
Updating metadata or setting metadata of a specified key (including the agency name)	ecs	updateMetadataAndServerAgency
Updating an agency	ecs	updateServerAgency
Logging in to an ECS using VNC	ecs	remoteConsole
Modifying ECS information	ecs	updateServer
Managing the ECS status (OpenStack Nova API)	server	operateServer
Adding, deleting, or editing tags	ecsTags	dealUnifiedTags