DX4000 not booting, stuck on start up init. Need to recover data

[Gramps]

Hope it would boot.  Another fellow said he used this raid tool.  I have not tried it.

http://www.diskinternals.com/raid-recovery/

http://community.wd.com/t5/WD-Sentinel-Products/Help-on-reading-Client-Computer-Backup-files/td-p/810911

Looks like you need 4 usb drive adapters to do this