An alarm message is a message sent the time when an alarm is triggered. You can view the statistical graphs and details of alarm messages on the Cloud. You can also view third-party alarm messages on the Extended Alarm Message page.

An operation log is a chronological record of operations on the specified objects and their operation results. You can implement fine-grained operation tracking and troubleshooting by viewing the current tasks and historic operation logs together with audits improve your O&M efficiency.

Audit monitors and records all activities on the Cloud. You can use this feature to implement operation tracking, cybersecurity classified protection compliance, security analysis, troubleshooting, and automatic O&M. The operations that can be tracked include operations performed by using the console, API calls, accessing and managing cloud resources by using developer tools.