Theo  wrote:
> bob prohaska  wrote:
>> That doesn't help much. The drive model is ST1000LM048-2E7172
>> The two Seagate documents still disagree. It's possible TRIM
>> support was added pre-emptively, since firmware is free once
>> written.
>
> Googling indicates it's SMR:
> https://www.truenas.com/community/resources/list-of-known-smr-drives.141/
>

Yes, and the product data sheet claims it's perpendicular:
https://www.seagate.com/www-content/product-content/seagate-laptop-fam/barracud
a_25/en-us/docs/100807728h.pdf

One of the criticisms directed at manufacturers in general and WD in
particular was a silent switch to SMR. After complaints, docs were
updated to reflect the change.

The gist is that published specs aren't necessarily a reliable guide.
Eventually it'll likely get clarified, but for now, in the 2.5" 1 TB
class of drives, SMR is difficult to reliably avoid.

Thanks for reading,

bob prohaska

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