From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q1OGwva2069618 for ; Fri, 24 Feb 2012 10:58:57 -0600 Received: from a.mx.filmlight.ltd.uk (a.mx.filmlight.ltd.uk [77.107.81.250]) by cuda.sgi.com with SMTP id lmhFkxs22eh7Svz3 for ; Fri, 24 Feb 2012 08:58:56 -0800 (PST) Subject: Re: creating a new 80 TB XFS Mime-Version: 1.0 (Apple Message framework v1084) From: Roger Willcocks In-Reply-To: <4F47B020.4000202@cape-horn-eng.com> Date: Fri, 24 Feb 2012 16:58:54 +0000 Message-Id: References: <4F478818.4050803@cape-horn-eng.com> <20120224150805.243e4906@harpe.intellique.com> <4F47B020.4000202@cape-horn-eng.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Richard Ems Cc: xfs@oss.sgi.com On 24 Feb 2012, at 15:43, Richard Ems wrote: > = > = > On 02/24/2012 03:08 PM, Emmanuel Florac wrote: >> Le Fri, 24 Feb 2012 13:52:40 +0100 >> Richard Ems =E9crivait: >> = >>> Hi list, >>> = >>> We are getting now 32 x 3 TB Hitachi SATA HDDs. >>> I plan to configure them in a single RAID 6 set with one or two >>> hot-standby discs. The raw storage space will then be 28 x 3 TB =3D 84 >>> TB. On this one RAID set I will create only one volume. >>> Any thoughts on this? >> = >> If you'd rather go for more safety you could build 2 16 drives RAID-6 >> arrays instead. I'd be somewhat reluctant to make a 30 drives array >> --though current drives are quite safe apparently. > = > Thanks, yes, this sounds good, but it's a matter of administration > simplicity doing the backups why I chose to have only one > volume/partition/XFS. At some point one of both drives will become near > to full and moving dirs from one partition to the other won't be that > easy with out backup system ... You might consider making a software raid0 from the two raid-6 arrays. -- Roger _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs