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@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
