If Drive B fails, the file system’s pointers (the metadata that says "File X is located at sectors 1,000,000 to 2,000,000") are now pointing to a black hole. The operating system sees the array as "RAW" or unformatted. Standard chkdsk or fsck will not fix this; they will make it worse.
By: Storage Tech Desk
In the world of enterprise storage, Redundant Array of Independent Disks (RAID) gets all the glory. It offers speed, redundancy, and peace of mind. But lurking in the dark corners of server rooms and video editing bays is the humble, terrifying, and deceptively simple (Just a Bunch Of Disks). jbod repair tools