dave,
Am 2015-08-25 13:54, schrieb Dave Chinner:
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.
you was right.
There was new kernel built. /usr/src/linux pointed to new kernel source.
But machine was not rebooted. So kernel version before kernel built was
loaded.
I rebooted machine.
i renoved logical volume
i created logical volume
i tried to mount it and get:
Aug 25 18:43:15 backupserver kernel: md4: unknown partition table
Aug 25 18:43:15 backupserver syslog-ng[1417]: Internal error,
alarm_set() called while an alarm is still active;
Aug 25 18:43:56 backupserver kernel: md4: unknown partition table
Aug 25 18:44:01 backupserver kernel: XFS (dm-2): Invalid superblock
magic number
pvdisplay shows:
# pvdisplay
--- Physical volume ---
PV Name /dev/md4
VG Name VolGroup01
PV Size 2.69 TiB / not usable 1.25 MiB
so what is XFS missing?
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