Mention cephfs-mirror replication is push-based
Signed-off-by: Jos Collin <jcollin@redhat.com>
CephFS Snapshot Mirroring
=========================
-CephFS supports asynchronous replication of snapshots to a remote CephFS file system via
+CephFS supports asynchronous push-based replication of snapshots to a remote CephFS file system via
the ``cephfs-mirror`` tool. Snapshots are synchronized by mirroring snapshot data followed by
creating a remote snapshot with the same name (for a given directory on the remote file system) as
the source snapshot.
CephFS Mirroring
================
-CephFS supports asynchronous replication of snapshots to a remote CephFS file
+CephFS supports asynchronous push-based replication of snapshots to a remote CephFS file
system via `cephfs-mirror` tool. Snapshots are synchronized by mirroring
snapshot data followed by creating a snapshot with the same name (for a given
directory on the remote file system) as the snapshot being synchronized.