WD has sent out emails to customers warning that there is a possibility of data loss using their external Hard disk on Mac with OS X Maverick installed. So far, posts have appeared in WD support, Apple forums about the data loss issue with the Maverick OS.
It is unknown what caused this but it is suspected it could be related to the softwares WD Drive Manager, WD Raid Manager, and WD SmartWare not fully compatible with the Maverick OS X. Western Digital advise customers to uninstall those applications before upgrading to Mavericks, or, if they already have upgraded, to uninstall those applications immediately. It is also not known if it affects all models of external HDDs or only specific models.
Below is the actual email sent out to customers.
Dear WD Registered Customer,
As a valued WD customer we want to make you aware of new reports of Western Digital and other external HDD products experiencing data loss when updating to Apple’s OS X Mavericks (10.9). WD is urgently investigating these reports and the possible connection to the WD Drive Manager, WD Raid Manager and WD SmartWare software applications. Until the issue is understood and the cause identified, WD strongly urges our customers to uninstall these software applications before updating to OS X Mavericks (10.9), or delay upgrading. If you have already upgraded to Mavericks, WD recommends that you remove these applications and restart your computer.
The WD Drive Manager, WD Raid Manager, and WD SmartWare software applications are not new and have been available from WD for many years, however solely as a precaution WD has removed these applications from our website as we investigate this issue.
Sincerely,
Western Digital
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