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by londons_explore
504 days ago
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> phones have cheap eMMC storage which is signifcantly worse at wear leveling than the higher end UFS storage. Which is shocking really - the phones should switch the eMMC to RAW flash mode (ie. no wear levelling), and then write an actually-smart wear levelling algorithm that runs in the OS. The OS has far better info for wear levelling anyway - it has more visibility into read-write patterns, it has more RAM to store more state, it can cron background scrubs and reorganisation to idle periods, it can be patched if a bug is found which only manifests after years, etc. Unfortunately, as far as I'm aware, most eMMC's can't be put into any kind of RAW mode anyway. |
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