Re: Debugging SCSI 'UNMAP' ("Logical Block Provisioning") failure on an SSD

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Kashyap,

> Sorry, I didn't give you complete information — with the previous
> `dmesg` output, I actually attached the SSD (Samsung T5) via regular USB
> "A Cable".  
>
> Now, I re-attached the SSD via the "Thunderbolt" port on my other laptop
> (Lenovo T470s), it _does_ show "UAS".   Refer the arrow below:

Do you get different sg_readcap -l output when accessing it in UAS mode?
I.e. is lbpme=1?

-- 
Martin K. Petersen	Oracle Linux Engineering




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