Amazon FSx for Windows File Server
Windows User Guide

Monitoring Amazon FSx for Windows File Server

With Amazon FSx for Windows File Server, you can monitor activity for your file systems using Amazon CloudWatch metrics.

Monitoring with Amazon CloudWatch

You can monitor file systems using Amazon CloudWatch, which collects and processes raw data from Amazon FSx for Windows File Server into readable, near real-time metrics. These statistics are retained for a period of 15 months, so that you can access historical information and gain a better perspective on how your web application or service is performing. By default, Amazon FSx for Windows File Server metric data is automatically sent to CloudWatch at 1-minute periods. For more information about CloudWatch, see What Are Amazon CloudWatch, Amazon CloudWatch Events, and Amazon CloudWatch Logs? in the Amazon CloudWatch User Guide.

As with Amazon EFS, Amazon S3, and Amazon EBS, Amazon FSx CloudWatch metrics are reported as raw Bytes. Bytes are not rounded to either a decimal or binary multiple of the unit.

Amazon FSx for Windows File Server publishes the following metrics into the AWS/FSx namespace in CloudWatch. For each metric, Amazon FSx for Windows File Server emits a data point per file system per minute.

Metric Description
DataReadBytes

The number of bytes for file system read operations.

The Sum statistic is the total number of bytes associated with read operations during the period. To calculate the average throughput (Bytes per second) for a period, divide the Sum statistic by the number of seconds in the period.

Units: Bytes

Valid statistics: Sum

DataWriteBytes

The number of bytes for file system write operations.

The Sum statistic is the total number of bytes associated with write operations during the period. To calculate the average throughput (Bytes per second) for a period, divide the Sum statistic by the number of seconds in the period.

Units: Bytes

Valid statistics: Sum

DataReadOperations

The number of read operations.

The Sum statistic is the count of read operations during the time period. To calculate the average number of read operations (operations per second) for a period, divide the Sum statistic by the number of seconds in the period.

Units: Count

Valid statistics: Sum

DataWriteOperations

The number of write operations.

The Sum statistic is the count of write operations during the time period. To calculate the average number of write operations (operations per second) for a period, divide the Sum statistic by the number of seconds in the period.

Units: Count

Valid statistics: Sum

MetadataOperations

The number of metadata operations.

The Sum statistic is the count of metadata operations during the time period. To calculate the average number of metadata operations (operations per second) for a period, divide the Sum statistic by the number of seconds in the period.

Units: Count

Valid statistics: Sum

FreeStorageCapacity

The amount of available storage capacity.

Units: Bytes

Valid statistics: Average, Minimum

Amazon FSx for Windows File Server Dimensions

Amazon FSx for Windows File Server metrics use the FSx namespace and provide metrics for a single dimension, FileSystemId. A file system's ID can be found using the aws fsx describe-file-systems AWS CLI command, and it takes the form of fs-01234567890123456.