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Monitoring and Alarms

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最終更新日: 2023-12-22 10:46:34

A good monitoring environment is the key to ensuring high availability of cloud disks. You can use Cloud Monitor (CM) to monitor cloud disks attached to CVM instances, view cloud disk metrics, and analyze and configure cloud disk alarms. CM collects raw data of the cloud disk from running CVM instances and displays data through easy-to-read charts. By default, the data is retained for one month, during which you can view the disk conditions in different time periods to better know its usage and read/write operations.
You can get data in the CM console or via API. For more information, see Getting the Monitoring Data of Specified Metrics and Getting Monitoring View and Chart.
Currently, CM provides the following metrics to monitor cloud disks:
Metric
Name
Calculation
Description
Unit
Statistical Granularity (Period)
DiskReadIops
Disk Read IOPS
Average of read IOPS of the disk during the statistical period
Number of I/O reads from the disk to the memory every second
Count
10s, 60s, 300s
DiskReadTraffic
Disk Read Traffic
Average of read throughput of the disk during the statistical period
Speed of data reads from the disk to the memory
KB/s
10s, 60s, 300s
DiskWriteIops
Disk Write IOPS
Average of write IOPS of the disk during the statistical period
Number of I/O writes from the memory to the disk every second
Count
10s, 60s, 300s
DiskWriteTraffic
Disk Write Traffic
Average of write throughput of the disk during the statistical period
Speed of data writes from the memory to the disk
KB/s
10s, 60s, 300s
DiskAwait
Disk I/O Wait Time
Average of I/O wait time of the disk during the statistical period
Percentage of time during which the CPU is free and there are unfinished I/O requests during the statistical period
ms
10s, 60s, 300s
DiskSvctm
Disk I/O Service Time
Average of service time of the disk during the statistical period
I/O service time
ms
10s, 60s, 300s
DiskUtil
Disk I/O Utilization
Average of I/O utilization of the disk during the statistical period
Percentage of time during which the disk has I/O operations (i.e., non-idle time)
%
10s, 60s, 300s
﻿
For more information on monitoring metrics, see Cloud Monitor.

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Cloud Block Storage

Monitoring and Alarms

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Metric	Name	Calculation	Description	Unit	Statistical Granularity (Period)
DiskReadIops	Disk Read IOPS	Average of read IOPS of the disk during the statistical period	Number of I/O reads from the disk to the memory every second	Count	10s, 60s, 300s
DiskReadTraffic	Disk Read Traffic	Average of read throughput of the disk during the statistical period	Speed of data reads from the disk to the memory	KB/s	10s, 60s, 300s
DiskWriteIops	Disk Write IOPS	Average of write IOPS of the disk during the statistical period	Number of I/O writes from the memory to the disk every second	Count	10s, 60s, 300s
DiskWriteTraffic	Disk Write Traffic	Average of write throughput of the disk during the statistical period	Speed of data writes from the memory to the disk	KB/s	10s, 60s, 300s
DiskAwait	Disk I/O Wait Time	Average of I/O wait time of the disk during the statistical period	Percentage of time during which the CPU is free and there are unfinished I/O requests during the statistical period	ms	10s, 60s, 300s
DiskSvctm	Disk I/O Service Time	Average of service time of the disk during the statistical period	I/O service time	ms	10s, 60s, 300s
DiskUtil	Disk I/O Utilization	Average of I/O utilization of the disk during the statistical period	Percentage of time during which the disk has I/O operations (i.e., non-idle time)	%	10s, 60s, 300s