MyBook World Edition II 2TB (2 discs) in STRIPE (RAID0) — DataVolume doesn't exist problem

Hello, sorry to hear that you cannot access your files. You might want to check the link below for some suggestions you can try. Keep in mind that the post is directed towards the Sharespace and RAID 1. But the knowledge that can be gained from this post about Ubuntu might be useful to you.

http://community.wd.com/t5/WD-ShareSpace/HOWTO-Recover-files-from-a-RAID-1-mirrored-drive-when-the/td-p/138448

You might also want to contact one of the data recovery companies that WD recommends. 

http://support.wdc.com/recovery/index.asp?wdc_lang=en