Bug 211549

Summary: [Hyper-V]SCSI UNMAP/TRIM support for FreeBSD on win2012R2
Product: Base System Reporter: Hongjiang <honzhan>
Component: kernAssignee: 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