The Disk IO test fails on the disks with free space more than 2 tera bytes. It fails with an error code 0x06 and error message “The handle is invalid”. The only workaround for this problem is to reduce the disk space to less than 2TB. This test issue...

The WLK 1.2 version of the Optical Logo test verifies if the drive reports the following sense codes properly DESCRIPTION SENSE KEY ASC ASCQ MEDIUM NOT PRESENT 0x02 0x3A 0x00 MEDIUM...

The WLK 1.2 version of the optical logo test would need at least two identical test drives to validate if the drive reports unique serial number. If the test drive is a Read only drive then it would need two identical test drives and one writable drive...

If you are not aware, there is Whitepaper available at WHDC, that describes how to design RAID Adapters and drivers to work well with Windows and meet the Windows Logo requirements. The White Paper can be found at http://www.microsoft.com/whdc/device...