I just finished reading the OSTEP book[1] and it has a nice chapter on SSDs[2]. The entire last portion of the book is about filesystems/disks so you might find it interesting.
That chapter on SSDs looks pretty good to me. Their numbers for NAND page and especially erase block sizes are very outdated; more modern values are 4kB to 16kB for NAND pages and 16-24MB for erase blocks on TLC NAND. Section 44.9 on mapping table sizes is a little bit odd, because most SSDs really do have 1GB of RAM per 1TB of flash, and that expense is widely seen as worthwhile even for multi-TB SSDs. The exceptions are low-end consumer SSDs that cache only part of the mapping table in a smaller amount of DRAM or SRAM, and a few enterprise/datacenter models that use 32kB block sizes for their FTL instead of the typical 4kB and thus reduce the DRAM requirement by a factor of 8 at the expense of greatly lowered performance and increased write amplification when writing in units smaller than 32kB.
Aside from the two above issues, everything looks correct and relevant, and I can't think of any missing details that deserve to be added to an introduction of that length.
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Aside from the two above issues, everything looks correct and relevant, and I can't think of any missing details that deserve to be added to an introduction of that length.