so, i'm using lvm on linux, and the really cool thing about lvm is that in theory, i can move a live system from one SSD to another without even logging out. i tried this two or three times before and ended up manually restoring LVM metadata each time.
anyway,
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You're reminding me of how excited I was to use f2fs on my shiny new Samsung 960 Pro 2TB NVMe SSD provided by a sponsor. I was happily benchmarking and testing my workloads on it compared to another SSD and realized it was giving me back any space after data was getting cleared.
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I'd make a build of Chromium, clear it, and f2fs wouldn't be able to reuse any of that free space. It's designed around a garbage collection system and I think something was horrifically broken with it in that kernel version. There was definitely ongoing corruption happening.
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Within a few hours, it had managed to destroy the OS installation that I'd moved over to it. That was apparently a great initial experience with f2fs because I went through the trouble of migrating back to it from xfs after hoping that a few kernel versions had fixed the issues.
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I use xfs by default, including for backups, but I'm back to using f2fs for my main drive (this one). I was an early adopter of ext4 since it was the shiny new thing when I migrated over to using Linux as my main OS. The data corruption I had to deal with from that was less fun.
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