Here is the simple explanation on I/O and it Usage
- Movement of data in between of processor and disk/tape.
- High I/0 slow down responses.
- Due to heavy read/write of data as such copying large files.
How to check from your cPanel:
1.) You may first login to your cPanel control panel.
2.) Refer to the left side of your hosting control panel as per below to get the information required:
3.) If there is any process required to be taken you may proceed to do so.