From owner-freebsd-questions@FreeBSD.ORG Tue Nov 18 15:35:17 2014 Return-Path: Delivered-To: freebsd-questions@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 BF3DCE0A for ; Tue, 18 Nov 2014 15:35:17 +0000 (UTC) Received: from newmail.rmm.fr (newmail.rmm.fr [213.251.152.9]) by mx1.freebsd.org (Postfix) with ESMTP id 8411A775 for ; Tue, 18 Nov 2014 15:35:17 +0000 (UTC) Received: from newmail.rmm.fr (newmail.rmm.fr [213.251.152.9]) by newmail.rmm.fr (Postfix) with ESMTP id 60BECA876E for ; Tue, 18 Nov 2014 16:28:29 +0100 (CET) X-Virus-Scanned: amavisd-new 2.8.0 (20120630) at rmm.fr Received: from newmail.rmm.fr ([213.251.152.9]) by newmail.rmm.fr (newmail.rmm.fr [213.251.152.9]) (amavisd-new, port 10026) with ESMTP id q_NO3-gcGpeT for ; Tue, 18 Nov 2014 16:28:29 +0100 (CET) Received: from newmail.rmm.fr (newmail.rmm.fr [87.98.206.99]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: hidden) by newmail.rmm.fr (Postfix) with ESMTPSA id 31503A8769 for ; Tue, 18 Nov 2014 16:28:29 +0100 (CET) From: "bsd@todoo.biz" Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Hardware RAID or software for ZFS Message-Id: <7F1B1DC4-46CA-4B96-836B-2D2D494F60E8@todoo.biz> Date: Tue, 18 Nov 2014 16:28:28 +0100 To: Liste FreeBSD Mime-Version: 1.0 (Mac OS X Mail 8.1 \(1993\)) X-Mailer: Apple Mail (2.1993) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Nov 2014 15:35:17 -0000 Hi,=20 I would need your help in order to figure out which will be the best in = order to setup a server which will be used as a Poudriere server.=20 My question is related to the usage of hardware RAID controller (JBOD) = or software based controller (graid)=20 Server we are targeting is a SuperMicro 1018R-WC0R - 1U I used to build my server using an HBA such as LSI SAS 9207-8i or LSI = SAS 9201-16i Then I=E2=80=99ll configure the HBA as JBOD so that disks can be = presented correctly to the system so that we can build our ZFS FS on top = of that.=20 My sysadmin suggested me to get rid of the HBA and use direct = connectivity and Graid.=20 I would like to have some feedback on various aspects :=20 1. performance=20 2. usability=20 3. problem one might have encountered Thanks for your feedback.=20 G.B.=20 ________________________________________________ = =C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7=C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7= =C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7=C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7= =C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7=C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7= = =C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2= =AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF= =C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2= =AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF Your provider of OpenSource Appliances www.osnet.eu =09 ________________________________________________ = =C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7=C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7= =C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7=C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7= =C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7=C2=AB?=C2=BB=C2=A5=C2=AB?=C2=BB=C2=A7= = =C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2= =AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF= =C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2= =AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF=C2=AF PGP ID --> 0x1BA3C2FD