From owner-freebsd-current@FreeBSD.ORG Thu Nov 12 21:30:57 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 45EFE1065672; Thu, 12 Nov 2009 21:30:57 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (tim.des.no [194.63.250.121]) by mx1.freebsd.org (Postfix) with ESMTP id F17288FC13; Thu, 12 Nov 2009 21:30:56 +0000 (UTC) Received: from ds4.des.no (des.no [84.49.246.2]) by smtp.des.no (Postfix) with ESMTP id 141706D41B; Thu, 12 Nov 2009 21:30:56 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id D625C844C2; Thu, 12 Nov 2009 22:30:55 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Scott Ullrich References: <11167f520911111050j36dd94far667c81e6f5c18e69@mail.gmail.com> <20091111204903.GI89052@dan.emsphone.com> <11167f520911111326v13bb442bt36e853afbecdf834@mail.gmail.com> <9bbcef730911111352t12188bdajbca71bcf35a5beb5@mail.gmail.com> <11167f520911121044l74744c30u5a4d9ca008ab863c@mail.gmail.com> <11167f520911121101o403751ddmb544dfaf1c61bf1e@mail.gmail.com> Date: Thu, 12 Nov 2009 22:30:55 +0100 In-Reply-To: (Scott Ullrich's message of "Thu, 12 Nov 2009 16:14:49 -0500") Message-ID: <861vk3o2gg.fsf@ds4.des.no> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.95 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: Rick Macklem , Dan Nelson , freebsd-current@freebsd.org, Ivan Voras , "Sam Fourman Jr." , Artem Belevich Subject: Re: Help ZFS FreeBSD 8.0 RC2 Write performance issue X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2009 21:30:57 -0000 Scott Ullrich writes: > Indeed. I mirrored 2 SSDs on an Areca in case I loose one of them. You can also use a ZFS mirror for the zil: # zpool add pool_name log mirror ssd0 ssd1 in which case you can replace ssd0 or ssd1 as usual should one of them fail. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no