maxit wrote:as far as I know the OS does not verify copying.
Copying with Finder (for example) fails when it detects certain errors so there's some level of "verification" happening. But apparently copying can
appear to succeed when it hasn't, which is something which that ZFS intends to eliminate/minimize:
Checksums and Self-Healing Datawhen archiving I want to make sure the file is exact.
Whether or not there's reason to do post-copy verification seems partly dependent on which type/method of archiving is used, e.g.:
Old Retrospect 6 has a verify function and even toast will do a verify.
I know it's optional in Toast but don't have any experience with Retrospect.
I'm short on time right not, but here are some topics on the Shirt Pocket Discussions forum that question/explain what I've been trying to:
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Data integrity question- how much verification by SuperDuper?•
data verification•
Copy Verification