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A comment on APFS changes in Big Sur: how Time Machine backs up to APFS. Parent comment

Re:APFS changes in Big Sur: how Time Machine backs up to APFS by masklinn on Tuesday September 29, 2020 @05:44AM (#24625670)
> happy SMART output

SMART will tell you that your disk is failing, not that it’s not failing.

Unhappy smart = unhappy disk but happy smart /= happy disk.

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Re:APFS changes in Big Sur: how Time Machine backs up to APFS by scottlamb on Tuesday September 29, 2020 @09:52AM (#24627792)
As I said, hard to disprove but seems unlikely. Backblaze says 76.7% chance these SMART attributes will be bad on a failed disk. [1] More importantly, I said I'm using RAID-1, so a single bad disk shouldn't be a problem.

Another poster suggested this happens with AFP, which would likely mean a macOS defect. I'm using AFP. I think I'll switch to SMB...

[1] https://www.backblaze.com/blog/what-smart-stats-indicate-har...

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