From owner-freebsd-fs@FreeBSD.ORG Wed Feb 25 10:27:40 2015 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 731BFB14 for ; Wed, 25 Feb 2015 10:27:40 +0000 (UTC) Received: from mail-wg0-f46.google.com (mail-wg0-f46.google.com [74.125.82.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 05ADDE7A for ; Wed, 25 Feb 2015 10:27:39 +0000 (UTC) Received: by wggz12 with SMTP id z12so2702727wgg.2 for ; Wed, 25 Feb 2015 02:27:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=+1fz61tIa11uC9edCwk1IaobTPOenKUDduJ/hXAwYXs=; b=Pyo0T5YgzH64I/IoT7LM6xNCFxrM6xxvUVVQbA4snHlYcyAiH46E/zp2lRBqEiOdXR 6C4JP34RqPbJO58WpZfcTcNtPekSfHUmWLI31SkLQM2dSi1jUjx/LPftAtgQBFZL+hAa E29YApKDJd/Hky7Q4EJ/aE8F2Ruzvh1wBBM6DvGStuaEydKnX5HjY1LPs9fNbU7aWM8q 6c/ngk+ciFHK47nB5zLVXUjRfuoGP+fx5AGlTfUItDaQHSFYKEra9UVEJE2Hi62PfLZE pzDttNyEl9e8VRtM7O+d9IMDwcxn6smWRbwB1dMctrT7DHm1I3JHd3KBnsZsUqvFw5vU 0OfA== X-Gm-Message-State: ALoCoQm4WyDKcZ4ljLdMrtW3MkYLgS5168nhv2ycvsSAQNLHuU1c8zXlwL1hXlfzYQR8IwuWIN+G X-Received: by 10.194.60.104 with SMTP id g8mr4840292wjr.96.1424860052157; Wed, 25 Feb 2015 02:27:32 -0800 (PST) Received: from [10.10.1.68] (82-69-141-170.dsl.in-addr.zen.co.uk. [82.69.141.170]) by mx.google.com with ESMTPSA id k6sm24480024wia.6.2015.02.25.02.27.30 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 Feb 2015 02:27:31 -0800 (PST) Message-ID: <54EDA38F.7000107@multiplay.co.uk> Date: Wed, 25 Feb 2015 10:27:27 +0000 From: Steven Hartland User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: freebsd-fs@freebsd.org Subject: Re: Zoned Commands ZBS/ZAC, Shingled SMR/SFS, ZFS References: In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Feb 2015 10:27:40 -0000 On 25/02/2015 10:21, Shehbaz Jaffer wrote: > Hi, > > I am interested in collaborating with you for bringing in ZFS in > freeBSD. Couple of questions: > > 1. Can we emulate ZFS on Qemu or some other hypervisor or do we need > SMR drives for development / integration? > 2. How do you propose we use the open source ZFS libraries and include > them in freeBSD? Confused FreeBSD already has ZFS