Hi, On 28 January 2017 at 01:05, Rebecca Cran <rebecca@xxxxxxxxxxxx> wrote: > I've been looking at the TRIM support in Windows 8 and newer, and have come > across a potential problem. Other OSes use TRIM on a physical/block device, > but Windows only provides support for TRIM on files. What happens when using Hyper-V with raw disks that support thin provisioning? Is there some secret kernel only method that converts guest requests to the appropriate ATA/SCSI command in that case? (https://msdn.microsoft.com/en-us/windows/hardware/drivers/storage/thin-provisioning wasn't much help) -- Sitsofe | http://sucs.org/~sits/ -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html