# Monitoring a volume's file capacity
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You can use either of the following methods to view the maximum number of files allowed and the number of files already used on a volume.
+ The CloudWatch volume metrics `FilesCapacity` and `FilesUsed`.
+ In the Amazon FSx console, navigate to the **Available files (inodes)** chart in your volume's **Monitoring** tab. The following image shows the **Available files (inodes)** on a volume decreasing over time.  
![\[\]](http://docs.amazonaws.cn/en_us/fsx/latest/ONTAPGuide/images/fsx-ontap-available-files.png)