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Add note about mount propagation on systemd 

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This commit is contained in:
Brian Goff 2016-01-26 15:53:11 -05:00 committed by Tibor Vass
parent 645055b37d
commit 88fa05ccb4
3 changed files with 24 additions and 0 deletions
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8
docs/reference/run.md
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@ -1385,6 +1385,14 @@ Similarly the operator can set the **hostname** with `-h`.
> **Note**: > **Note**:
> The auto-creation of the host path has been [*deprecated*](../misc/deprecated.md#auto-creating-missing-host-paths-for-bind-mounts). > The auto-creation of the host path has been [*deprecated*](../misc/deprecated.md#auto-creating-missing-host-paths-for-bind-mounts).
> **Note**:
> When using systemd to manage the Docker daemon's start and stop, in the systemd
> unit file there is an option to control mount propagation for the Docker daemon
> itself, called `MountFlags`. The value of this setting may cause Docker to not
> see mount propagation changes made on the mount point. For example, if this value
> is `slave`, you may not be able to use the `shared` or `rshared` propagation on
> a volume.
The volumes commands are complex enough to have their own documentation The volumes commands are complex enough to have their own documentation
in section [*Managing data in in section [*Managing data in
containers*](../userguide/dockervolumes.md). A developer can define containers*](../userguide/dockervolumes.md). A developer can define

8
man/docker-create.1.md
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@ -411,6 +411,14 @@ will convert /foo into a `shared` mount point. Alternatively one can directly
change propagation properties of source mount. Say `/` is source mount for change propagation properties of source mount. Say `/` is source mount for
`/foo`, then use `mount --make-shared /` to convert `/` into a `shared` mount. `/foo`, then use `mount --make-shared /` to convert `/` into a `shared` mount.
> **Note**:
> When using systemd to manage the Docker daemon's start and stop, in the systemd
> unit file there is an option to control mount propagation for the Docker daemon
> itself, called `MountFlags`. The value of this setting may cause Docker to not
> see mount propagation changes made on the mount point. For example, if this value
> is `slave`, you may not be able to use the `shared` or `rshared` propagation on
> a volume.
**--volume-driver**="" **--volume-driver**=""
Container's volume driver. This driver creates volumes specified either from Container's volume driver. This driver creates volumes specified either from
a Dockerfile's `VOLUME` instruction or from the `docker run -v` flag. a Dockerfile's `VOLUME` instruction or from the `docker run -v` flag.

8
man/docker-run.1.md
View File

@ -582,6 +582,14 @@ will convert /foo into a `shared` mount point. Alternatively one can directly
change propagation properties of source mount. Say `/` is source mount for change propagation properties of source mount. Say `/` is source mount for
`/foo`, then use `mount --make-shared /` to convert `/` into a `shared` mount. `/foo`, then use `mount --make-shared /` to convert `/` into a `shared` mount.
> **Note**:
> When using systemd to manage the Docker daemon's start and stop, in the systemd
> unit file there is an option to control mount propagation for the Docker daemon
> itself, called `MountFlags`. The value of this setting may cause Docker to not
> see mount propagation changes made on the mount point. For example, if this value
> is `slave`, you may not be able to use the `shared` or `rshared` propagation on
> a volume.
**--volume-driver**="" **--volume-driver**=""
Container's volume driver. This driver creates volumes specified either from Container's volume driver. This driver creates volumes specified either from
a Dockerfile's `VOLUME` instruction or from the `docker run -v` flag. a Dockerfile's `VOLUME` instruction or from the `docker run -v` flag.