Re: read and write back full disk to trigger relocation

Reply: Kira : "Re: read and write back full disk to trigger relocation"
In reply to: Sysadmin Lists : "Re: read and write back full disk to trigger relocation"
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From: <Lena_at_lena.kiev.ua>
Date: Tue, 30 May 2023 16:25:13 UTC

> From the dd(1) manpage:
> 
>      Do a refresh of a disk drive, in order to prevent presently recoverable
>      read errors from progressing into unrecoverable read errors:
> 
>            dd if=/dev/ada0 of=/dev/ada0 bs=1m
> 
> That won't trigger relocation, but it will refresh the decaying data.

Would that be useful for SSD?