two mount points, two diffrent data

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Hello I have trouble with this situation

#node1
mount /dev/rbd/rbd/test /mnt
cd /mnt
touch test1
ls (i see test1, OK)

#node2
mount /dev/rbd/rbd/test /mnt
cd /mnt
(i see test1, OK)
touch test2
ls (i see test2, OK)

#node1
ls (i see test1, BAD)
touch test3
ls (i see test1, test3 BAD)

#node2
ls (i see test1, test2 BAD)

Why data not replicating on mounting fs ?
I try with filesystems ext4 and xfs
The data is visible only when unmounted and mounted again

I check health in "ceph status" and is HEALTH_OK

What I doing wrong ?
Thanks for any help.


My system
Ubuntu 14.04.01 LTS

#ceph --version
ceph version 0.80.7 (6c0127fcb58008793d3c8b62d925bc91963672a3)

#modinfo libceph
filename:       /lib/modules/3.13.0-44-generic/kernel/net/ceph/libceph.ko
license:         GPL
description:    Ceph filesystem for Linux
author:           Patience Warnick <patience@xxxxxxxxxxxx>
author:           Yehuda Sadeh <yehuda@xxxxxxxxxxxxxxx>
author:           Sage Weil <sage@xxxxxxxxxxxx>
srcversion:     B8E83D4DFC53B113603CF52
depends:        libcrc32c
intree:            Y
vermagic:       3.13.0-44-generic SMP mod_unload modversions
signer:           Magrathea: Glacier signing key
sig_key:          50:8C:3B:4B:F1:08:ED:36:B6:06:2F:81:27:82:F7:7C:37:B9:85:37
sig_hashalgo:   sha512

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