Re: SMART Attribute Data Structure error - how to repair?

Hans Lederer wrote:
> I've got here three 4 TB HGST HUS724040ALA640 drives. They are mounted
> in ICY Box external cases, connected via e-SATA, LUKS-encrypted. They
> are used once a week for offline backups and perform fine for years now.
>
> Just today I've noticed that all three of them seem to have invalid
> SMART data like below. I'm quite sure that they were normally readable
> at beginning.
>
> What might have happened? Surely SMART data is not encrypted by LUKS?

This is likely unrelated to LUKS or the disk itself.


> Is there a way to repair/rewrite the SMART data so that they at least
> start over fresh?

No.

If possible, please try whether the problem persists if an affected 
disks is connected to another machine or via another interface (USB, 
SATA) to same machine.

Here is a recent report about a similar problem with an external 
USB/eSATA case:
https://www.smartmontools.org/ticket/719

Thanks,
Christian


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