RAID server failure is one of the dreaded work hazards you may have to face sometimes at your workplace. You tend to become incapable and powerless when you are unable to access data with a click.
Data on a RAID array or volume can becomes inaccessible due to any of the following reasons:
A faulty RAID controller
Multiple hard drive crash
Malfunctioning upgrade or faulty striping
Defects with the MFT mount points.
RAID controller failure or configuration changed
Adding incompatible hard drives
Virus infection, software and operating system upgrades
In these above conditions, the following steps should be taken immediately to increase chances of getting critical files back:
Shutdown the server and turn off the system. Do not try to reboot again. This may cause serious damage to your hard drive.
Do not attempt to recover data by yourself, friends or PC repair shops. This may result in permanent loss.
Do not continue to attempt a forced rebuild if you have already replaced a failed drive and tried to rebuild the array, but still...