Seagate offers fix for 1.5TB Barracuda freezes
 

Some Seagate Barracuda 8200.11 1.5TB hard drives may show uncharacteristic operation when used with Mac and Linux operating systems in multi-drive configurations. Users may experiences pauses in video streaming applications or a dropped drive from RAID arrays. Customers seeing these symptoms should contact Seagate Technical Support for a firmware upgrade.

In order to assure the proper application of the new firmware, please email a description of the issues you're seeing to Seagate (discsupport@seagate.com) Please include the following disk drive information: model number, serial number and current firmware revision. Also, please describe your system, operating system and the application in use when the issue arose, and you will receive a prompt response with appropriate instructions.

As an alternative to the contact email address above please access http://www.seagate.com/www/en-us/about/contact_us/.