From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DC6CE7F5A for ; Mon, 3 Aug 2015 17:24:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 82792AC001 for ; Mon, 3 Aug 2015 15:24:09 -0700 (PDT) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id qtsHCeuygAd76IDB for ; Mon, 03 Aug 2015 15:24:06 -0700 (PDT) Date: Tue, 4 Aug 2015 08:23:53 +1000 From: Dave Chinner Subject: Re: swalloc/allocsize question Message-ID: <20150803222353.GU3902@dastard> References: <55BFA467.8000707@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <55BFA467.8000707@gmail.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Joe Landman Cc: xfs@oss.sgi.com On Mon, Aug 03, 2015 at 01:27:03PM -0400, Joe Landman wrote: > Hi folks: > > I've noticed some "odd" behavior while experimenting with xfs > mounts on relatively recent kernels (3.18 series). Basically, the > swalloc,allocsize=x options are being modified to something > different. That is: > > root@usn-04:~/burn-in/fio# uname -r > 3.18.12.scalable > > root@usn-04:~/burn-in/fio# mount -o > inode64,noatime,nodiratime,swalloc,allocsize=1280k /dev/sda /data/1 > > root@usn-04:~/burn-in/fio# mount | grep sda > /dev/sda on /data/1 type xfs > (rw,noatime,nodiratime,swalloc,attr2,inode64,allocsize=256k,noquota) > > This is a hardware RAID6 with a 128k chunk size and 12 elements (so > 10 data drives, thus the 1280k allocsize for stripe width > allocation). Is this something specific to xfs itself, or is this > an issue in the mount tools ? Please provide: - xfs_info output from the filesystem in question - dmesg output of all the mount messages Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs