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Corrupting a ZFS File on Purpose

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Corrupting a ZFS File on Purpose

Most of the time, the whole point of ZFS is that your data does not get corrupted.
But during development you sometimes need the opposite: a controlled, reproducible corruption, so you can watch self-healing kick in, see what a scrub reports, or just understand how a file maps onto the physical disk.
There is no better exercise than breaking one byte on purpose and seeing ZFS notice.

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