This can be very inefficient and expensive. To truly make the data unrecoverable, this could take several passes and many hours of operation time. Historically, the accepted method of permanently removing data from magnetic media, as in HDDs, was to overwrite the data with a pre-determined data pattern, like “all 0’s” or a random data pattern.
#LINUX SECURE ERASE SERIAL#
In this blog post, I will describe Micron’s methodologies for completely erasing, or “sanitizing” SSDs within the Serial Advanced Technology Attachment (SATA) and Trusted Computing Group (TCG) protocols. In fact, SSDs can provide tremendous advantages over HDDs with regard to the speed and security of the full-drive erase functions.
Micron’s SSDs provide very effective and efficient means to do so. Because of this, the ability to ensure that user data is securely erased from a data storage device is critical. We are in an era where protecting sensitive information is crucially important, protecting data on storage devices is critical at every step in the life cycle of these devices, including at end-of-life and when devices are redeployed to other purposes.
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