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Actually FAT filesystems with two FAT entries can be implemented in a transaction safe way: 1) write allocations on first FAT, 2) write file data, 3) write the
by M95D 4y ago
Actually FAT filesystems with two FAT entries can be implemented in a transaction safe way: 1) write allocations on first FAT, 2) write file data, 3) write the second FAT. This is the same as a journal that stores metadata only (what most other journaled filesystems do).
This is probably what Microsoft calls "TexFAT", but doesn't describe in any way.
Good written data (not corrupted while being written) will last a long time, probably more than any magnetic media, so data resiliency is good.
- OneLeggedCat 4y ago> Good written data (not corrupted while being written) will last a long time, probably more than any magnetic media, so data resiliency is good Are you meaning generally any kind of solid-state storage here?
- M95D 4y agoI'm not sure about TLC and QLC, but SLC and MLC seems very good so far.
- kevin_thibedeau 4y ago> will last a long time, probably more than any magnetic media, so data resiliency is good. Flash storage will not last as long as magnetic media. You've got 50 years, tops, and even then it requires some luck to not have any bit rot.
- M95D 4y ago> Flash storage will not last as long as magnetic media. You've got 50 years, tops, and even then it requires some luck to not have any bit rot. Which magnetic media lasted 50 years? I don't belive HDDs from the '70s are readable today. I tried to read a QIC-120 last year (2021). The tape was dated 1992 (I think), so it was almost 30 years old. The tape jammed inside the cartrige.
- hulitu 4y ago50 years, for flash ? without wear leveling ? Do you have some links ? Over 10 years for flash is difficult.