From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C606D7F47 for ; Tue, 25 Aug 2015 18:04:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B0DEC30404E for ; Tue, 25 Aug 2015 16:04:09 -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 4q4o5OHiTgutzBDf for ; Tue, 25 Aug 2015 16:04:07 -0700 (PDT) Date: Wed, 26 Aug 2015 09:03:53 +1000 From: Dave Chinner Subject: Re: Cant mount xfs lvm. Experimental Features? Message-ID: <20150825230353.GK714@dastard> References: <8a6d5afa8829aec73d911f35815d7b92@zbfmail.de> <20150825115412.GI714@dastard> <5ab00519660fd5ed1b3d347658dba1f2@zbfmail.de> <55DCB158.20505@sandeen.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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: weber@zbfmail.de Cc: Xfs On Wed, Aug 26, 2015 at 12:53:51AM +0200, Marko Weber|8000 wrote: [....] > i rebootet the machine and created a new logical volume. > i formatted the lv with mkfs.xfs > i tried to mount it on the new kernel: > > Aug 26 00:47:17 backupserver kernel: XFS (dm-2): Version 5 > superblock detected. This kernel has EXPERIMENTAL support enabled! > Aug 26 00:47:17 backupserver kernel: Use of these features in this > kernel is at your own risk! > Aug 26 00:47:17 backupserver kernel: XFS (dm-2): Superblock has > unknown read-only compatible features (0x1) enabled. > Aug 26 00:47:17 backupserver kernel: XFS (dm-2): Attempted to mount > read-only compatible filesystem read-write. > Aug 26 00:47:17 backupserver kernel: Filesystem can only be safely > mounted read only. > Aug 26 00:47:17 backupserver kernel: XFS (dm-2): SB validate failed > with error 22. > > > this happens with the newly created logical volume. > > the other 2 lvm partitions with xfs are fine. > > any idea? Clearly you have a kernel too old to read the on-disk format that mkfs.xfs has written - as I pointed out originally. Would you please tell us what the versions of the kernels you are using, as well as the mkfs.xfs version? Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs