Viewing profile — kmxdm

Just for fun, ran the same workload on a locally-attached Gen4 enterprise-class 7.68TB NVMe SSD on "bare metal" (which is my home i9 system with an ecore/pcore situation so added c…

M.2/2280 makes it hard. Can't use cheaper aluminum can capacitors due to their size/height. The low profile (tantalum?) capacitors are expensive and take up a lot of PCB area, forc…

Yeah, but then you have a write amplification problem. Padding is write amplification from the start, and then GC is invoked many more times than it otherwise would be. There is a …

Yes, GC should be smart enough to free up space from padding. But then there's a write amplification penalty and meeting endurance specifications is impossible. A padded write alre…

The more dire problem is the case where the drive runs out of physical capacity before logical capacity. If the host flushes data that is smaller than the physical write unit of th…

Writes are completed to the host when they land on the SSD controller, not when written to Flash. The SSD controller has to accumulate enough data to fill its write unit to Flash (…