From owner-freebsd-questions@freebsd.org Fri Sep 25 00:58:59 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 897AEA089B8 for ; Fri, 25 Sep 2015 00:58:59 +0000 (UTC) (envelope-from paul@kraus-haus.org) Received: from mail-qk0-f181.google.com (mail-qk0-f181.google.com [209.85.220.181]) (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 479B51959 for ; Fri, 25 Sep 2015 00:58:58 +0000 (UTC) (envelope-from paul@kraus-haus.org) Received: by qkfq186 with SMTP id q186so36884020qkf.1 for ; Thu, 24 Sep 2015 17:58:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:mime-version:content-type:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=FUzQ9SV7JEKPX15qnPvyAaCBFUItNRuNXBZLlR1QOLA=; b=RZjzEziWzi2Czf6RlYv/gybJ/Mc+gOHYpJg6LXJP19xdbohleetlKnMAYdyjt0njrD vOGZagcKwgOgTuwSHAYPvDL7dAtRkIhFVevFHqoes/I06Yb9oKS+LSFit1dw+KRQ5S0u m9D1aIvdtdM34VHYhKtx9/bnJg6Cr8EXc8lG1gQ9SgAd/5Pg2eIndN5nNtXHN6bYPyvw eoCuCrvwSwp69Gqor1JwKM+6e0z+ws3k9ddJzjykW/iiDdEmDvkl1Fn3URGNwu2WYn/I RpW1cwz4ULEvG7bvRitbPdpB6jSCmz+xUh7RWQEdARWTzXMDYMRCRAhBqwujwfKntw+1 cazA== X-Gm-Message-State: ALoCoQkei6y5F733M+0HIiU/58z46guKMeyzfNr2I1YIhlIDEOQ3HL501lfGV7B4xFKQeeM29FGZ X-Received: by 10.55.15.3 with SMTP id z3mr3047513qkg.29.1443142732222; Thu, 24 Sep 2015 17:58:52 -0700 (PDT) Received: from [192.168.2.138] (pool-100-4-179-8.albyny.fios.verizon.net. [100.4.179.8]) by smtp.gmail.com with ESMTPSA id x81sm451642qha.24.2015.09.24.17.58.49 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 24 Sep 2015 17:58:50 -0700 (PDT) Subject: Re: zfs performance degradation Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Content-Type: text/plain; charset=windows-1252 From: Paul Kraus In-Reply-To: Date: Thu, 24 Sep 2015 20:58:48 -0400 Cc: Dmitrijs , CeDeROM Content-Transfer-Encoding: quoted-printable Message-Id: <6498A090-A2A2-4580-A148-2BCBF68BF2BF@kraus-haus.org> References: <56019211.2050307@dim.lv> <37A37E9D-9D65-4553-BBA2-C5B032163499@kraus-haus.org> <56038054.5060906@dim.lv> <782C9CEF-BE07-4E05-83ED-133B7DA96780@kraus-haus.org> <56040150.90403@dim.lv> <60BF2FC3-0342-46C9-A718-52492303522F@kraus-haus.org> <560412B2.9070905@dim.lv> <8D1FF55C-7068-4AB6-8C0E-B4E64C1BB5FA@kraus-haus.org> <56042209.8040903@dim.lv> <2008181C-F0B5-4581-9D15-11911A1DE41B@kraus-haus.org> To: FreeBSD Questions X-Mailer: Apple Mail (2.1878.6) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Sep 2015 00:58:59 -0000 On Sep 24, 2015, at 17:40, CeDeROM wrote: > For RAID/NAS use ondy WD RED drives family :-) Others WILL break > timings with hidden error verify mechanisms.. >=20 > http://www.wdc.com/red I assume you are referring to the other =93color=94 drives. I have had = no issues with the RE and SE series of Datacenter drives in zpool = configurations. -- Paul Kraus paul@kraus-haus.org