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Help Center/ Elastic Volume Service/ FAQs/ Capacity/ How Can I Monitor My Disk Usages?

How Can I Monitor My Disk Usages?

Updated on 2024-12-23 GMT+08:00

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Some disk monitoring metrics require that the agent to be installed.

For details about how to install the Agent on an ECS, see section "Installing and Configuring the Agent on a Linux ECS or BMS" in the Cloud Eye User Guide.

**Table 1** Disk metrics
Metric	Parameter	Description	Value Range	Monitored Object & Dimension	Monitoring Period (Raw Data)
disk_free	(Agent) Available Disk Space	Free space on the disks Unit: GB Linux: Run the df -h command to check the value in the Avail column. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~). Windows: Use the WMI interface to call GetDiskFreeSpaceExW API to obtain disk space data. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).	≥ 0	ECS - Mount point	1 minute
disk_total	(Agent) Disk Storage Capacity	Total space on the disks, including used and free Unit: GB Linux: Run the df -h command to check the value in the Size column. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~). Windows: Use the WMI interface to call GetDiskFreeSpaceExW API to obtain disk space data. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).	≥ 0	ECS - Mount point	1 minute
disk_used	(Agent) Used Disk Space	Used space on the disks Unit: GB Linux: Run the df -h command to check the value in the Used column. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~). Windows: Use the WMI interface to call GetDiskFreeSpaceExW API to obtain disk space data. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).	≥ 0	ECS - Mount point	1 minute
disk_usedPercent	(Agent) Disk Usage	Percentage of total disk space that is used, which is calculated as follows: Disk Usage = Used Disk Space/Disk Storage Capacity Unit: percent Linux: It is calculated as follows: Used/Size. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~). Windows: Use the WMI interface to call GetDiskFreeSpaceExW API to obtain disk space data. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~).	0-100	ECS - Mount point	1 minute

Parent topic: Capacity

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