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Bitrot - Replace Drive?

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I'm running Dynamix File Integrity and for the first time have some bitrot corruption on one of my drives.

 

What's protocol when this happens?

Can I replace the drive with a larger drive, format the removed drive to reset the sectors, and use it to upgrade another drive

or is it a sign of drive failure that's just going to get worse and I should put it out to pasture?

  • Community Expert

File integrity is not a useful indicator of drive health. If you find you need to correct the file restore it from your backups. If you want to check a disk you can see its SMART attributes by clicking on the drive to get to its page, and you can also run SMART tests from there.

  • Author

Understood-

This was the first time I had seen this though, so I wasn't sure if I had more to concern myself with.

 

Thank you

Are you certain it isn't a false positive?  For instance, itunes will modify music files without changing the date, and that makes the File Integrity script think there is corruption when there actually isn't any.

 

Your next steps would be to restore the file from backup and do a binary compare to see if there is really a problem.  If there is, I think you would be the first person to have seen an actual instance of bitrot.

  • Author

Good point, they were a group of metadata files that 'corrupted'.

I supposed it's possible they were updated from somewhere all on the same drive between the time the checksum and checks were made.

That would explain that.

  • Author

Ah Great.

Thanks everyone for your insight.

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