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.. _disk:
Disk I/O
========
.. image:: ../_static/diskio.png
Glances displays the disk I/O throughput. The unit is adapted
dynamically.
You can display:
- bytes per second (default behavior / Bytes/s, KBytes/s, MBytes/s, etc)
- requests per second (using --diskio-iops option or *B* hotkey)
There is no alert on this information.
It's possible to define:
- a list of disk to show (white list)
- a list of disks to hide
- aliases for disk name
under the ``[diskio]`` section in the configuration file.
For example, if you want to hide the loopback disks (loop0, loop1, ...)
and the specific ``sda5`` partition:
.. code-block:: ini
[diskio]
hide=sda5,loop.*
or another example:
.. code-block:: ini
[diskio]
show=sda.*
Filtering is based on regular expression. Please be sure that your regular
expression works as expected. You can use an online tool like `regex101`_ in
order to test your regular expression.
.. _regex101: https://regex101.com/
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