How to Monitor Disk I/O Usage on Proxmox VE

Installing iostat on Proxmox VE

To monitor disk I/O on Proxmox VE, you must install the iostat program.

On Proxmox VE, you can install the iostat program with the following commands:

$ apt update
$ apt install sysstat -y

You can check for read/write statistics for all the disks on Proxmox VE with the following command:

$ watch -n 1 -- iostat

You will see the data read/write rate per second and total read/written data (in KB) for all the installed disks of your Proxmox VE server.

To close the iostat monitoring program and go back to the terminal prompt, press <Ctrl> + C.