Bug 211549

Summary:	[Hyper-V]SCSI UNMAP/TRIM support for FreeBSD on win2012R2
Product:	Base System	Reporter:	Hongjiang <honzhan>
Component:	kern	Assignee:	freebsd-virtualization (Nobody) <virtualization>
Status:	Closed FIXED
Severity:	Affects Only Me	CC:	decui, gothmog, honzhan, kyliel, sephe
Priority:	---	Keywords:	patch
Version:	CURRENT
Hardware:	Any
OS:	Any

Description Hongjiang 2016-08-03 14:07:03 UTC

FreeBSD on Windows 201R2 get SCSI SPC-2 even though the host supports SPC-3. As a result, the UNMAP is not supported from VM perspective of view.

Comment 1 Hongjiang 2016-08-04 00:59:44 UTC

The patch is ready: 
https://reviews.freebsd.org/D7405

Comment 2 Hongjiang 2016-08-09 05:19:12 UTC

Fix on head r303737