From owner-freebsd-virtualization@FreeBSD.ORG Tue May 7 07:40:49 2013 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id CD0EE2AD for ; Tue, 7 May 2013 07:40:49 +0000 (UTC) (envelope-from vvm@tut.by) Received: from mail-bk0-x234.google.com (mail-bk0-x234.google.com [IPv6:2a00:1450:4008:c01::234]) by mx1.freebsd.org (Postfix) with ESMTP id 5B12C62B for ; Tue, 7 May 2013 07:40:48 +0000 (UTC) Received: by mail-bk0-f52.google.com with SMTP id q16so108578bkw.25 for ; Tue, 07 May 2013 00:40:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tut.by; s=google; h=x-received:message-id:from:to:cc:subject:date:mime-version :content-type:content-transfer-encoding:x-priority:x-msmail-priority :x-mailer:x-mimeole; bh=bzMOqOSBNNqH4RW4TmpxVvvzSzLGdC+w44T/X8p6pFM=; b=gU55G27vq0IRnHiYqZJZvJ6VA5jA5jQUNxO2lADRlQ5MOyDtCey7pTBC6vqXo505FQ LKoB1q18ChbL0+vc5N0+Mi7u2tOFBgbkp7+1YTNZKrx3xZsfJd6wsXzrUSSzuNbK52wl 3tQ6f0WvIzl+6pZjUDD79MruoKkMGAYUB3TIk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:message-id:from:to:cc:subject:date:mime-version :content-type:content-transfer-encoding:x-priority:x-msmail-priority :x-mailer:x-mimeole:x-gm-message-state; bh=bzMOqOSBNNqH4RW4TmpxVvvzSzLGdC+w44T/X8p6pFM=; b=icbf+i3gvUpWJm9xObRUF8qyVPae5YFkyZox4RHglRyQfl14BZsRT+LzRqhegTGByz 76IrbZ3F5/khjbOBHW4MNu388t3h1yyVKHOrhxAy2sfbxTHx+vt2yZeGhrVRUE2oWfbH A57Nf4DsfzLbyyGQjrsFqoDMtQRiHmeDOHRSONlcqPqCObRN5azuTZBUOO1jyHbjQ6N0 5ry1Hz9Bj72gWO1uJTreED9ap5l7nnaOVhC9n3e2/9wfe81hqo135uI/xb3mk1vyn3N5 HjgTj5QUx1QMWfPleTzlv+iV/5wRSFRjn6ZdhjVLfJgGNiEsGG/7DdbuhSTqKe0C2q4Y pncw== X-Received: by 10.205.23.207 with SMTP id rb15mr214022bkb.94.1367912447282; Tue, 07 May 2013 00:40:47 -0700 (PDT) Received: from TSVVM2 (ns1.st.by. [217.23.123.90]) by mx.google.com with ESMTPSA id cn9sm4860362bkb.6.2013.05.07.00.40.45 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 07 May 2013 00:40:46 -0700 (PDT) Message-ID: From: "Victor Miasnikov" To: , "Alexander Motin" Subject: ATA controller and Hyper-V "synthetic storage driver" handle the IDE disks devices ( but not for the CD-ROM) Re: Hyper-V on FreeBSD Date: Tue, 7 May 2013 10:40:41 +0300 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="utf-8"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.3790.4548 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.4913 X-Gm-Message-State: ALoCoQn+7m1H2fL9lVTJb9ZrgK3dcxYUGqIgf8UFrcYvrqnXsH3s2slv2Q33U5odNpknLG2wbM/T Cc: larry.melia@ieee.org X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 May 2013 07:40:49 -0000 Hi! > prevent default OS driver from attaching to emulated ATA controller when Hyper-V Disable both primary and secondary ATA controller prevent use CD-ROM device in VM ( guest) Because "synthetic storage driver" not handle CD-ROM devices ( IMHO, even more: Hyper-V host work with CD-ROM only as "PCI bus" device) Best regards, Victor Miasnikov Blog: http://vvm.blog.tut.by/ P.S. http://lists.freebsd.org/pipermail/freebsd-virtualization/2013-April/001180.html == . . . On 23.04.2013 17:07, Larry Melia wrote: . . . > Removing our ATA patches, on the other hand, results in a huge > performance loss. This is because the root file system is managed by the > ATA driver, which is emulated under Hyper-V. == Place on IDE disk only "\boot" ( and bootloader), other on SCSI . P.P.S. Larry, I'm found Youre 3 e-mail accounts, You use all 3 ?