For any family photos and documents you can't afford to lose, make sure you have backups of it. A RAID array does not mean you don't need backups: you want at least 3 copies, at least one offsite.
The copy in your RAID array is one copy. You can back that up to an external hard drive or something as a second copy. Then have an offsite backup on something like Backblaze as your third copy.
You could keep using it and just ignore all the credit card ads they show you. That's how they make their money.