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 q91EZ2h4133644 for ; Mon, 1 Oct 2012 09:35:02 -0500 Received: from smtprelay05.ispgateway.de (smtprelay05.ispgateway.de [80.67.31.93]) by cuda.sgi.com with ESMTP id TlMCxyZIMCPjyTeR for ; Mon, 01 Oct 2012 07:36:25 -0700 (PDT) Message-ID: <5069AA67.5040303@cape-horn-eng.com> Date: Mon, 01 Oct 2012 16:36:23 +0200 From: Richard Ems MIME-Version: 1.0 Subject: Re: creating a new 80 TB XFS References: <4F478818.4050803@cape-horn-eng.com> <4F47AA24.8010209@sandeen.net> <5069A8A1.4080404@cape-horn-eng.com> In-Reply-To: <5069A8A1.4080404@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: Eric Sandeen , xfs@oss.sgi.com On 10/01/2012 04:28 PM, Richard Ems wrote: > On 02/24/2012 04:17 PM, Eric Sandeen wrote: >>> *MKFS* >>>> We also heavily use ACLs for almost all of our files. Christoph Hellwig >>>> suggested in a previous mail to use "-i size=3D512" on XFS creation, s= o my >>>> mkfs.xfs would look something like: >>>> >>>> mkfs.xfs -i size=3D512 -d su=3Dstripe_size,sw=3D28 -L Backup_2 /dev/sd= X1 >> Be sure the stripe geometry matches the way the raid controller is >> set up. >> >> You know the size of your acls, so you can probably do some testing >> to find out how well 512-byte inodes keep ACLs in-line. > = > = > Hi Eric, > = > This is a reply to an email from you sent 7 months ago ... > = > How could I do the testing you were proposing? How can I find out if my > 512-byte inodes keep our ACLs in-line? > = > I am going to create a similar new RAID set, and wanted to check this > before on the one already in production. > = > Thanks, > Richard > = Hi again, If the "method" is to use "xfs_bmap -a ..." and check for "no extents", then I found it ! Thanks, sorry for the noise, Richard -- = Richard Ems mail: Richard.Ems@Cape-Horn-Eng.com Cape Horn Engineering S.L. C/ Dr. J.J. D=F3mine 1, 5=BA piso 46011 Valencia Tel : +34 96 3242923 / Fax 924 http://www.cape-horn-eng.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs