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Is this WD MyBook 6tb drive still good?
(thelemmy.club)
The drive has been only been powered on and used for read over the last 3+ years. CrystalDiskInfo reports it's bad but CrystalDiskMark shows decent read/write speeds. Only wrote to it in the very beginning when I dumped a lot of archives into it. Otherwise, very few actual write cycles which is making me think it's still ok to use. However, this isn't a NAS drive and is consumer-grade bought many years ago.
It is much more important if the numbers are increasing then how high the numbers are. You can have multiple bad sectors or on SSDs Media Errors and the drive will be good for years to come.
I would recommend data hygiene in the first place. Have a working backup! And if you can afford it (can you afford to loose your data) some kind of redundancy like raid zfs or therelike.
I have as of now multiple drives at home and work in operation that have some form of error but have not changed their error values in literally years. Could i have afforded to replace the drives? Sure, but i also could have had a drive as a replacement that fails during the first resilver of the array.