Be aware that you need to be using ata or another driver which supports
this for it to work even on a standard disk.

----- Original Message ----- From: "Dmitry Zamaruyev"


Hello list,

I'm looking for clarification regarding gmirror/geom behavior in
current 8-STABLE.
I want to use couple of SSD drives in mirror RAID configuration with
UFS on top. I know that UFS now supports TRIM (BIO_DELETE) on plain
disks.
But will gmirror propagate BIO_DELETE event to lower driver, so both
SSDs will get trimmed when UFS issue this command?


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