From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id A50F11382C5 for ; Fri, 22 May 2020 15:32:23 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id C1079E089D; Fri, 22 May 2020 15:32:16 +0000 (UTC) Received: from mail-gw.thundermail.uk (mail-gw.thundermail.uk [149.255.60.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 6BF1AE0870 for ; Fri, 22 May 2020 15:32:16 +0000 (UTC) Received: from mailgw01.thundermail.uk (mail-gw.thundermail.uk [149.255.60.66]) by mail-gw.thundermail.uk (Postfix) with ESMTPS id 8B098606A110 for ; Fri, 22 May 2020 16:32:14 +0100 (BST) X-ASG-Debug-ID: 1590161534-05541315ac12e6c70001-LfjuLa Received: from cloud307.thundercloud.uk (cloud307.thundercloud.uk [149.255.58.40]) by mailgw01.thundermail.uk with ESMTP id Lrtaw6uQI00KH48x (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 22 May 2020 16:32:14 +0100 (BST) X-Barracuda-Envelope-From: confabulate@kintzios.com X-Barracuda-Effective-Source-IP: cloud307.thundercloud.uk[149.255.58.40] X-Barracuda-Apparent-Source-IP: 149.255.58.40 Received: from lenovo.localdomain (230.3.169.217.in-addr.arpa [217.169.3.230]) by cloud307.thundercloud.uk (Postfix) with ESMTPSA id 30296D5B7D3 for ; Fri, 22 May 2020 16:32:13 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kintzios.com; s=default; t=1590161533; bh=lJbVW8J9guTSm+g4u/mqXWFsAqavQsYU+3qeJk4UooI=; h=From:To:Subject; b=EUyXRqkuZvixjYQ8LJXqeAC20BNOTKexjMi5YwqsXYHjt9JYiQdwBSH481carX+JD LxA7r52sytq+hgFTn/Pl0dacRaDhe22hv7HsmUsvUkHAPfHzyAmMkA2h8hYXtCWPWQ rjFq1S4LHMiHMyavGJvX8eqzz4lundHIofKLJbAU= Authentication-Results: cloud307.thundercloud.uk; spf=pass (sender IP is 217.169.3.230) smtp.mailfrom=confabulate@kintzios.com smtp.helo=lenovo.localdomain Received-SPF: pass (cloud307.thundercloud.uk: connection is authenticated) From: Michael To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question Date: Fri, 22 May 2020 16:32:12 +0100 X-ASG-Orig-Subj: Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question Message-ID: <1756899.CQOukoFCf9@lenovo.localdomain> In-Reply-To: <9bafdc79-a77f-1b57-6372-b611176164f4@youngman.org.uk> References: <659f766d-a697-08fc-baeb-9e4356c0a58e@gmail.com> <9bafdc79-a77f-1b57-6372-b611176164f4@youngman.org.uk> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart21790581.6Emhk5qWAg"; micalg="pgp-sha256"; protocol="application/pgp-signature" X-PPP-Message-ID: <20200522153213.1408146.94540@cloud307.thundercloud.uk> X-PPP-Vhost: kintzios.com X-Barracuda-Connect: cloud307.thundercloud.uk[149.255.58.40] X-Barracuda-Start-Time: 1590161534 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://149.255.60.66:443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at thundermail.uk X-Barracuda-Scan-Msg-Size: 1390 X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=1.9 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.82027 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Archives-Salt: d28c5ce0-62f6-4cb2-b58e-c4c53f4c465d X-Archives-Hash: 199ed694685b9b1fdadf1bb052ffcfcc --nextPart21790581.6Emhk5qWAg Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="UTF-8" On Sunday, 10 May 2020 21:52:54 BST antlists wrote: > On 10/05/2020 20:11, Rich Freeman wrote: > >> I did find a WD Red 8TB drive. It costs a good bit more. It's a good > >> deal but still costs more. I'm going to keep looking. Eventually I'll > >> either spend the money on the drive or find a really good deal. My home > >> directory is at 69% so I got some time left. Of course, my collection > >> is still growing. o_O > > > > In theory the 8TB reds are SMR-free. > > I thought I first found it on this list - wasn't it reported that the > 1TB and 8TB were still CMR but everything between was now SMR? Pretty > naff since the SMR drives all refuse to add to a raid array, despite > being advertised as "for NAS and RAID". Under UK law that would be a > slam dunk RMA as "unfit for purpose". > > Try the "Red Pro", which apparently are still all CMR. To the best of my > knowledge the Seagate Ironwolves are still SMR-free, and there's also > the Ironwolf Pros. > > I've got two Ironwolves, but they're 2018-vintage. I think they're Red > equivalents. > > Cheers, > Wol An interesting article mentioning WD Red NAS drives which may actually be SMRs and how latency increases when cached writes need to be transferred into SMR blocks. https://blocksandfiles.com/2020/04/15/shingled-drives-have-non-shingled-zones-for-caching-writes/ --nextPart21790581.6Emhk5qWAg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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