Bug 211549 - [Hyper-V]SCSI UNMAP/TRIM support for FreeBSD on win2012R2
Summary: [Hyper-V]SCSI UNMAP/TRIM support for FreeBSD on win2012R2
Status: Closed FIXED
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: CURRENT
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-virtualization mailing list
URL:
Keywords: patch
Depends on:
Blocks:
 
Reported: 2016-08-03 14:07 UTC by Hongjiang
Modified: 2016-08-09 05:19 UTC (History)
5 users (show)

See Also:


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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