From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Landman Subject: Re: interesting MD-xfs bug Date: Thu, 09 Apr 2015 18:20:26 -0400 Message-ID: <5526FB2A.8060704@gmail.com> References: <5526E8E9.3030805@gmail.com> <20150409221846.GG13731@dastard> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20150409221846.GG13731@dastard> Sender: linux-raid-owner@vger.kernel.org To: Dave Chinner Cc: xfs , linux-raid List-Id: linux-raid.ids On 04/09/2015 06:18 PM, Dave Chinner wrote: > On Thu, Apr 09, 2015 at 05:02:33PM -0400, Joe Landman wrote: >> If I build an MD raid0 with a non power of 2 chunk size, it appears >> that I can mkfs.xfs a file system, but it doesn't show up in blkid >> and is not mountable. Yet, using a power of 2 chunk size, this does >> work correctly. This is kernel 3.18.9. >> [...] > That looks more like a blkid or udev problem. try using blkid -p so > that it doesn't look up the cache but directly probes devices for > the signatures. strace might tell you a bit more, too. And if the > filesystem mounts, then it definitely isn't an XFS problem ;) Thats the thing, it didn't mount, even when I used the device name directly. Good point on stracing though. I'll do that tomorrow and report back. Thanks! Joe > > Cheers, > > Dave. -- Joe Landman e: joe.landman@gmail.com t: @sijoe