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Cake day: July 24th, 2024

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  • blake2b checksum, zstd compression, raid1c4 metadata and raid6 data. Kernel 6.12, btrfs-progs 6.17, ECC RAM.

    The files in the affected inode haven’t been touched for a few years. Dmesg was something about zstd decompression failed and prevented btrfs send of an incremental snapshot as well as accessing one single file.

    Due to the size of the array, I don’t always get around to do a full scrub after a (albeit rare) system crash, so I wrote it off as probably that and didn’t analyze much further at the time.