Heads up

[Warren Block]

On Thu, 14 Apr 2016, Warner Losh wrote:

> The CAM I/O scheduler has been committed to current. This work is described
> in https://people.freebsd.org/~imp/bsdcan2015/iosched-v3.pdf though the
> default scheduler doesn't change the default (old) behavior.
>
> One possible issue, however, is that it also enables NCQ Trims on ada SSDs.
> There are a few rogue drives that claim support for this feature, but
> actually implement data corrupt instead of queued trims. The list of known
> rogues is believed to be complete, but some caution is in order.

Is the list of drives queryable?  Is there an easy way to tell if the 
currently-connected drives are on the list?