From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Tue, 27 Mar 2007 01:09:48 -0700 (PDT) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.174]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with ESMTP id l2R89h6p023517 for ; Tue, 27 Mar 2007 01:09:45 -0700 Received: by ug-out-1314.google.com with SMTP id a2so1733593ugf for ; Tue, 27 Mar 2007 01:09:41 -0700 (PDT) Message-ID: <5d96567b0703270004j72d89618xe27bbf3d5e44eea1@mail.gmail.com> Date: Tue, 27 Mar 2007 09:04:33 +0200 From: "Raz Ben-Jehuda(caro)" Subject: Re: changing xfs file system tunnings(sunit,swidth) after mkfs.xfs In-Reply-To: <1174947030.5051.586.camel@edge> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-2022-JP; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <5d96567b0703261325m8f17b2eg55e04264fee4832a@mail.gmail.com> <1174947030.5051.586.camel@edge> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: nscott@aconex.com Cc: xfs@oss.sgi.com ahha... but did you ever tried to set an sunit value bigger than the one set during the mkfs.xfs ? On 3/27/07, Nathan Scott wrote: > On Mon, 2007-03-26 at 22:25 +0200, Raz Ben-Jehuda(caro) wrote: > > I want to change the sunit,swidth of a file system which > > was already created with a different tunnings, or at least > > mount it with a different values. > > Is it possible ? > > >From the XFS section in mount(8) ... > > sunit=value and swidth=value > Used to specify the stripe unit and width for a RAID device or a > stripe volume. value must be specified in 512-byte block units. > If this option is not specified and the filesystem was made on a > stripe volume or the stripe width or unit were specified for the > RAID device at mkfs time, then the mount system call will > restore the value from the superblock. For filesystems that are > made directly on RAID devices, these options can be used to > override the information in the superblock if the underlying > disk layout changes after the filesystem has been created. The > swidth option is required if the sunit option has been speci‐ > fied, and must be a multiple of the sunit value. > > > cheers. > > -- > Nathan > > -- Raz