From owner-freebsd-bugs@freebsd.org Tue Jul 12 09:05:47 2016 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 18005B926DA for ; Tue, 12 Jul 2016 09:05:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 07D901C4E for ; Tue, 12 Jul 2016 09:05:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u6C95k8A017991 for ; Tue, 12 Jul 2016 09:05:46 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 211000] [Hyper-V] Online VHDX Resize doesn't work properly Date: Tue, 12 Jul 2016 09:05:47 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: decui@microsoft.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jul 2016 09:05:47 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211000 --- Comment #5 from Dexuan Cui --- With the 2 patches in comment 4, =E2=80=9Ccamcontrol reprobe da1=E2=80=9D c= an reliably detect the new disk capacity and =E2=80=9Cgpart show da1=E2=80=9D can see the new = =E2=80=9Cfree space=E2=80=9D now. And, for MBR mode, no extra command is required, but for GPT mode, after=20 =E2=80=9Ccamcontrol reprobe da1=E2=80=9D, we need to run =E2=80=9Cgpart com= mit da1=E2=80=9D to commit the updated GPT partition information (updated by the kernel) to the disk: with= out this, we'll have to run =E2=80=9Cgpart recover da1=E2=80=9D after the VM is= rebooted.=20 Wer're going to merge the fixes to stable/10 and stable/11. For now, FreeBSD 10.3 doesn't have =E2=80=9Ccamcontrol reprobe=E2=80=9D, s= o we have to use this workaround: after resizing =E2=80=9Cda1=E2=80=9D, we should run the 3 lines: dd if=3D/dev/da1 of=3D/dev/da1 bs=3D512 count=3D0 dd if=3D/dev/da1 of=3D/dev/da1 bs=3D512 count=3D0 (this is the same as the = first line.) gpart recover da1 (this line is not required for MBR mode) Now, =E2=80=9Cgpart show da1=E2=80=9D should see the new disk capacity and = new =E2=80=9Cfree space=E2=80=9D. --=20 You are receiving this mail because: You are the assignee for the bug.=