From owner-freebsd-fs@FreeBSD.ORG Tue Mar 24 12:47:59 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 670124BB; Tue, 24 Mar 2015 12:47:59 +0000 (UTC) Received: from mail-la0-x235.google.com (mail-la0-x235.google.com [IPv6:2a00:1450:4010:c03::235]) (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 0404514E; Tue, 24 Mar 2015 12:47:59 +0000 (UTC) Received: by labe2 with SMTP id e2so83046273lab.3; Tue, 24 Mar 2015 05:47:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=565uwVTFgxeSridYSjb0oWSFVtBcCGFO8eQQNF+PswM=; b=YWvGzBhHlGJfAO8WN/mYpGhpU47XbBW+nnBCu5WaP2evkR1VfXeRW8sc/lwVrFrENn AqIRu9+Ht6XU2KxygwFpOvFfDsNJ58HBsdNCmIbUeWZkUHNKtTHmglZ+iTuMVNfoMuzA hQcMdF6yWwu5DU0WU9jwrY/g471OeKW8zRb3p1+bodgpoH34cz+tv8dpAnFK1ULMKf3C G7RIJb9JGB6W/r56ikPzo5AX88aGmvgFUFQqt3Wdny0F8Et8HsmQC9un+Ldp1r3xGO8j UKEKc6gfy6uR0C7KbS0t+qyfZj8ig8j83NbWftqx44cHuM2nWRDEho85FLcxQlJqKRXQ dSUQ== MIME-Version: 1.0 X-Received: by 10.152.5.225 with SMTP id v1mr3586964lav.76.1427201277103; Tue, 24 Mar 2015 05:47:57 -0700 (PDT) Received: by 10.25.24.161 with HTTP; Tue, 24 Mar 2015 05:47:57 -0700 (PDT) In-Reply-To: References: Date: Tue, 24 Mar 2015 18:17:57 +0530 Message-ID: Subject: Re: Zoned Commands ZBC/ZAC, Shingled SMR drives, ZFS From: Shehbaz Jaffer To: grarpamp Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: freebsd-fs@freebsd.org, freebsd-hardware@freebsd.org 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: Tue, 24 Mar 2015 12:47:59 -0000 Hi, I was wondering what cost advantage do SMR drive provide as compared to normal CMR drive? 8TB SMR drive - $ 260 3TB CMR (Conventional Magnetic Recording drive) - $ 105 Is the 8TB SMR drive that you mentioned in another post on this mailing list host or drive managed? I was curious to know why freeBSD community /others should invest into supporting SMR drive? Is the price predicted to go down further in the future? Is there any other advantage that SMR drive provide that CMR drives dont? Thanks! On Fri, Mar 13, 2015 at 2:49 AM, grarpamp wrote: > Here is a performance review of the ST8000AS0002 non-SED > "drive managed" model (caveat your actual expected usage). > http://www.storagereview.com/seagate_archive_hdd_review_8tb > You can also find these drives inside the STDT8000100 external > USB unit for a bit more at $300. > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > -- Shehbaz Jaffer MTS | Advanced Technology Group | NetApp