Re: TRIM/UNMAP/DISCARD via ATA Passthrough

From: Martin K. Petersen
Date: Wed Sep 14 2016 - 14:37:50 EST

>>>>> "Jason" == Jason A Donenfeld <Jason@xxxxxxxxx> writes:


Jason> These USB enclosures do not support SCSI UNMAP. However, they do
Jason> support ATA-passthrough, and `hdparm -I` shows that TRIM is
Jason> supported.

How do they signal that they support the passthrough?

Martin K. Petersen Oracle Linux Engineering