Loss Data of my external WD MyBook Studio Edition II (RAID 1) after upgrading !!! PLEASE HELP ME !!!

Hello,
after upgrading from OS X Mountain Lion to OS X Mavericks my external HDD "WD MyBook Studio Edition II" configured as RAID 1 with two 3 TB disks "WD30EFRX" connected with FireWire 800 was empty and renamed to "MyBook" --> ALL MY DATA ARE GONE
I lost all my photos and movies of my family and my kids from the last 20 years !!!
Are there any chances to get the data back?
Patrick

WD is aware of this issue and issued a email notice.
You have a choice of two options, provided there is no encryption used.
1: Take your hardware to a local PC/Mac tech that they specialize in data recovery, should be able to change things to make the RAID 1 into single drive(s).
2: Install Data Rescue and run a pass, it ignores things and direct reads the bits for any signs of files it can recover, since RAID 1 is a mirror only, your files are complete. (unlike RAID 0)
Data Rescue is free to download and run a pass to determine if it can recover files, but it's $99 to recover. They have excellent support.
Read this
Considering RAID 0 or RAID 1?

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