====== Ubuntu - Disk - Stress test ======

<WRAP alert>
**ALERT**:  This will wipe data on the disk, so do not use against a disk for which you want to keep the data.
</WRAP>


<code bash>
while :
do
  dd if=/dev/zero of=/dev/sdd bs=1048576 seek=1
done
</code>

<WRAP info>
**NOTE:**  This continually writes 1Mb blocks to the disk.
</WRAP>

----

===== Check the health of the disk =====

<code bash>
smartctl -a /dev/sdd
</code>

<WRAP info>
**NOTE:**  If [[https://www.smartmontools.org/|smartctl]] is not installed then:

<code bash>
sudo apt update
sudo apt install smartmontools
</code>
</WRAP>

----

===== References =====

https://www.smartmontools.org/