Il 23/07/2013 03:05, Libaiqing ha scritto: > Hi paolo, > Recently I test trim function,and it works well in linux guest with ext4 > fs. > > How to test it in windows guest? I got some info like this: > 1 windows7 can send discard command when the storage device is ssd; > 2 find a tool like 'fstrim', 'TRIM' the volume manually.
I think it only works with IDE and AHCI on Windows. You need a filter driver to send it on SCSI disks. Paolo
