import 15.2.0 Octopus source

[ceph.git] / ceph / doc / rbd / rbd-snapshot.rst

diff --git a/ceph/doc/rbd/rbd-snapshot.rst b/ceph/doc/rbd/rbd-snapshot.rst
index ee6918e34a0d696bd7be6bbb697860fdb0b5b78e..5aaa23e5d19ddd4390e37ce4b26d9897521b99d6 100644 (file)
--- a/ceph/doc/rbd/rbd-snapshot.rst
+++ b/ceph/doc/rbd/rbd-snapshot.rst
@@ -14,15 +14,15 @@ command and many higher level interfaces, including `QEMU`_, `libvirt`_,
 
 .. important:: To use use RBD snapshots, you must have a running Ceph cluster.
 
-.. note:: Because RBD does not know about the filesystem, snapshots are
+.. note:: Because RBD does not know about the file system, snapshots are
          `crash-consistent` if they are not coordinated with the mounting
          computer. So, we recommend you stop `I/O` before taking a snapshot of
-         an image. If the image contains a filesystem, the filesystem must be
+         an image. If the image contains a file system, the file system must be
          in a consistent state before taking a snapshot or you may have to run
          `fsck`. To stop `I/O` you can use `fsfreeze` command. See
          `fsfreeze(8)` man page for more details.
          For virtual machines, `qemu-guest-agent` can be used to automatically
-         freeze filesystems when creating a snapshot.
+         freeze file systems when creating a snapshot.
 
 .. ditaa:: +------------+         +-------------+
            | {s}        |         | {s} c999    |