The Adaptive Memory Technology analyzes what bits of data are used most for boot, application load, etc and mirrors just those files to the SSD. I hope this adds some clarification…thanks again! Looks like a no-brainer Share […]. I had to seek the answers from our security experts here seagate. This is what I was told: There are two questions here:. How does AMT play with encryption? Or shall it be able to cache the data at all? In the case of LUKs as well all data encrypted by the Operating System and any security metadata from the host would be encrypted additionally by the self encrypting drive.
For the context of a non-Self Encrypting drive, LUKs encrypted data and LUKs metadata are just data to the drive and it would have no special means to reveal or not reveal the data any more than any other data that might be stored to the drive. So in the non-Self Encrypting Drive the drive cannot do anything to make the LUKs better or worse as the drive is just storing data. But then the company factors in benefits tied to its FAST buzzword, and we're forced to explain in more depth before tackling the benchmarks.
The suggestion is that data handling between the various components of previous hybrid drives varied by operating environment. Now, Seagate is claiming to offer the same experience regardless of OS or storage driver. Of course, that means the Momentus XT combines the complexities of a hard drive with the heavy dependence on firmware of an SSD.
Caching, wear leveling, and performance monitoring, all have to be balanced precisely in order for this to work. Apparently, these either do not exist or our benchmarks are simply incapable of showing the performance improvements that we were expecting to materialize over time. Be that as it may, expectations should clearly be based on the fact that the drive is not a flash SSD.
Rather, it is a Momentus hard drive with the XT suffix. In this context, its performance is just about right--and on top of the competition.
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