On Tue, Aug 25, 2015 at 10:25:16AM +0200, Marko Weber|8000 wrote:
>
> Hello List, Hello Dave...
>
>
> i try to mount on my backup server an Lvm Partition and get errors
> in stdout and log:
>
> /var/log/messages:
>
> Aug 25 10:20:31 backupserver kernel: XFS (dm-2): Version 5
> superblock detected. This kernel has EXPERIMENTAL support enabled!
> Aug 25 10:20:31 backupserver kernel: Use of these features in this
> kernel is at your own risk!
> Aug 25 10:20:31 backupserver kernel: XFS (dm-2): Superblock has
> unknown read-only compatible features (0x1) enabled.
> Aug 25 10:20:31 backupserver kernel: XFS (dm-2): Attempted to mount
> read-only compatible filesystem read-write.
> Aug 25 10:20:31 backupserver kernel: Filesystem can only be safely
> mounted read only.
> Aug 25 10:20:31 backupserver kernel: XFS (dm-2): SB validate failed
> with error 22.
You need to run the same version kernel on both servers. The primary
has a more recent kernel and feature set than your older backup
server is running.
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
|