Now that the Western Digital / Mavericks data loss issue is well known it’s time for Western Digital to consider recovery assistance for everyone who has lost data.
I personally reported the loss of 10+ TB to Western Digital on 13th September while testing Mavericks Developer Preview 7 including a non WD drive.
Case : Power failure, SMC reset and restart caused all external drives to be initialised with a single My Book partition
Hi, there may be a really interesting defect somewhere in the WD Drive Manager / RAID Manager on MacOS which caused all external drives attached to my laptop to be reinitialised with a single MyBook partition (including a non WD drive) after a power failure and SMC reset.
System: MacBookPro5,2 / MacOS X 10.9 (13A569) Mavericks Developer Preview 7
Prior to the power failure my external drives were:
- My Book Studio II 6TB RAID 1 split into two time machine partitions Backup1 (disk3s2) + Backup2 (disk3s3) and an OSX boot partition (disk3s4)
- My Book Studio II 4TB RAID 1 with Archive partition (disk2s2)
- non WD 500GB with Old Backups partition (disk1s2)
After a power failure, restart and SMC reset all 3 drives have been reinitialised with a single empty MyBook partition without any user interaction or confirmation. ie I now have 3 empty drives!
The series of events was:
After the second power failure and SMC reset all the external drives become single MyBook partitions with visible EFI partitions.
This is pretty bizarre as the only software installed which initialises as MyBook is the WD Drive Manager / RAID Manager.
Any thoughts on what happened and any ideas on how to recover the data?