Because you are not using a cluster aware filesystem - the respective mounts
don't know when changes are made to the underlying block device (rbd) by the
other mount. What you are doing *will* lead to file corruption.
Your need to use a distributed filesystem such as GFS2 or cephfs.
CephFS would be probably be the easiest to setup.
Thanks for help
I use cephfs and it's working great !
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