Do a internet search for “Current Pending Sector Count” to see what that warning/error message means. You can decide, based on the various explanations what you plan to do. Example explanations and discussions on it:
S.M.A.R.T. Attribute: Current Pending Sector Count
It’s possible the drive is going bad. You may want to backup any data on that drive if possible. There are various ways to replace the first generation single bay My Cloud with a new drive. Use the forum search feature to find those numerous prior discussions and methods. One can try cloning the drive to another one of the same or large size.
