01-21-2018 09:19 PM
Also if you are having troubles with the MX300 series SSD even after updating the firmware, you may need to perform a Secure Erase on it. Every MX300 SSD we have has required the Secure Erase to get out of its weird state (not reallocating blocks and failing the internal SMART self test). Of course a Secure Erase will erase everything on the SSD.
03-03-2018 01:43 PM
I have successfully updated MX300 firmware M0CR060 on Arch Linux via systemd-boot.
I wrote a guide on my blog (italian) for those interested: