Well, if the worst happens and your MyCloud becomes inaccessible you can recover by disconnecting the power and re-booting. Remember to disconnect the USB drive before it reboots. You may have to do the 40-second reset, which means you will have to go through the set-up procedure again, but this won’t affect your data. If you do have to re-boot or reset you will need to connect up the USB drive to a computer and run a error check on the disk.
Have a look at this tip. I dont know if it will work
Also, some people find the MyCloud is more stable with the older firmware. It is possible to downgrade to V3 firmware. I have this setup with a USB drive for backups and I have no problems now.
Please read these two guides and choose one that suits your level of skill / knowledge.
http://community.wd.com/t5/WD-My-Cloud/Tutorial-SSH-Method-Downgrade-v4-firmware-to-v3/m-p/812311#M2…
http://community.wd.com/t5/WD-My-Cloud/Easy-method-to-downgrade-to-previous-version-of-the-firmware/…
