BitBanging

3 ms·

1. 1.▲
   by BitBanging 2y ago

   Yep, LBAs are the primary addressing scheme in the NVMe spec, written into every single IO command. I would imagine there could be a better way, but NVMe & OS support still carries some baggage from SATA HDDs -> SATA SSDs -> NVMe
2. 2.▲
   by BitBanging 2y ago

   IIRC SSD manufacturers are likely to store a mapping table of LBAs (logical block addresses) to PBAs (physical block addresses) in the DRAM or Host Memory Buffer. Some calculation like: total storage size / page size per LBA (512B or 4
3. 3.▲
   by BitBanging 3y ago

   The NAND flash manufacturers usually have no software involvement unless they are in the business of also selling SSD controller SoCs. They will typically sell FDKs/SDKs that are heaping piles of garbage written overseas for their SoC