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I'm writing a customized monitoring panel for Ubuntu Server.

At this step I need to get real time hard disk read and write rate then put it into a file as a log file.

I used tools like Hdparm, Iotop but they did not work. I want the result in a file.

I want a result such as: 10Kb read - 2kb write - 2014-2-13 16:40:03

So I can run it as Crontab and monitor every I/O rate.

1

You can use iostat.

sudo apt-get install sysstat

Ex:

iostat -d 2 /dev/sda

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