On 11/10/2015 10:14 AM, Christer Solskogen wrote: > Queued TRIM seems to be a problem with this kind of drive (with the > latest firmware), and a "recent" kernel (4.1.x) seems to have this > fixed this without disabling NCQ completely. Is that patch backported > to the "mainline" CentOS 6 or CentOS7 kernel? Can you provide any references to the specific bug you're referring to?