i am still getting some errors in windows events when i do copy/move with traid.
error 153. the IO operation at logical block address ... disk11 was retried.
it doesn't seem serious. but its always for that disk that i just replaced, and i replaced the cable, too. it's the only disk giving errors, but i can't figure out why always the same disk.
It is serious. You definitely want to resolve that or you will end up with file system corruption.