From owner-freebsd-fs@FreeBSD.ORG Fri Feb 20 20:15:03 2015 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B9835EDE for ; Fri, 20 Feb 2015 20:15:03 +0000 (UTC) Received: from mail-ob0-x22e.google.com (mail-ob0-x22e.google.com [IPv6:2607:f8b0:4003:c01::22e]) (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 7E3EF151 for ; Fri, 20 Feb 2015 20:15:03 +0000 (UTC) Received: by mail-ob0-f174.google.com with SMTP id wo20so26115965obc.5 for ; Fri, 20 Feb 2015 12:15:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=vSZYECQZLBmJicm0sJoN5egoCVWj6S2EAdNXZciZKAY=; b=AfEPJuoPi4SYzfW6HPfLyXOefIXOdoO6lAsMMo/fS4J6trhz1KK2CnI/Ia0YujFjfB FKWaAmugeDXlTuWADLyXFT1jpholI+XfYDtTbqK/4vm+nYjMaH82Xb52x/asZ5v2L1AY p6rKNumRZwIAi3g45pUaD5m+eH5t9LcLslUtdhQ8ZMuv0qvLQbyzkfbO5fCrNDVhZ0h7 mKvuASD0u2Vcpx4GTAJGIA8FoWRkulv4ZKCSA8iM/l6xlrVC9Lp2nSSByk6OHYncB7mH UrWK/Jh2LSqSGKpExT4sg4JHGM/mIq5JgcH6eu54BwMR/FIpdExeer2E8ukbIHFG0pjx 25kQ== MIME-Version: 1.0 X-Received: by 10.60.96.167 with SMTP id dt7mr7729131oeb.54.1424463302653; Fri, 20 Feb 2015 12:15:02 -0800 (PST) Received: by 10.60.140.199 with HTTP; Fri, 20 Feb 2015 12:15:02 -0800 (PST) Date: Fri, 20 Feb 2015 15:15:02 -0500 Message-ID: Subject: Zoned Commands ZBS/ZAC, Shingled SMR/SFS, ZFS From: grarpamp To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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: Fri, 20 Feb 2015 20:15:03 -0000 These may be of interest for possible integration... https://github.com/hgst/libzbc https://github.com/Seagate/SMR_FS-EXT4 Panel: Shingled Disk Drives=E2=80=94File System Vs. Autonomous Block Device http://storageconference.us/2014/Presentations/Panel4.Bandic.pdf http://storageconference.us/2014/Presentations/Panel4.Amer.pdf http://storageconference.us/2014/Presentations/Panel4.Novak.pdf ZFS on SMR Drives: Enabling Shingled Magnetic Recording (SMR) for Enterprises http://storageconference.us/2014/Presentations/Novak.pdf http://storageconference.us/2014/index.html http://storageconference.us/history.html