Not all of the Vertex 2/Agility 2 drives which were bricked were due to firmware issues. Around 25% of drives which failed were due to NAND failures and the lo

Not all of the Vertex 2/Agility 2 drives which were bricked were due to firmware issues. Around 25% of drives which failed were due to NAND failures and the lost firmware or corrupted firmware fixes often only fixed about 50%-75% of the drives which they were applied to. Edit: FYI these numbers are purposely not very accurate.