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Updated zfs check (markdown)

Gabriel A. Devenyi
2022-03-24 16:11:21 -04:00
parent c06c4bc063
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zfs-check.md

@ -17,7 +17,7 @@ Its kind of like sha1sum, but incremental: It generates a sha1 hash per "chunk"
A tool like this wouldn't seem necessary for ZFS: ZFS has full check summing, so you can be 100% sure the data doesn't get corrupted, right? A tool like this wouldn't seem necessary for ZFS: ZFS has full check summing, so you can be 100% sure the data doesn't get corrupted, right?
While this is true to a certain extend, it IS possible that data gets corrupted during transfer with zfs send/recv. This can happen because of certain bugs in ZFS. For example: https://github.com/openzfs/zfs/issues/12762 While this is true to a certain extend, it IS possible that data gets corrupted during transfer with zfs send/recv. This can happen because of certain bugs in ZFS. For example: https://github.com/openzfs/zfs/issues/12762 and https://github.com/openzfs/zfs/issues/6224
In such cases the checksums are still OK, but they are of the wrong (corrupt) data. In such cases the checksums are still OK, but they are of the wrong (corrupt) data.