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[18.09 backport] Deprecate AuFS storage driver #1485

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18 changes: 18 additions & 0 deletions docs/deprecated.md
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,24 @@ Now that support for `overlay2` is added to all supported distros (as they are
either on kernel 4.x, or have support for multiple lowerdirs backported), there
is no reason to continue maintenance of the `devicemapper` storage driver.

### AuFS storage driver

**Deprecated in Release: v18.09.0**

The `aufs` storage driver is deprecated in favor of `overlay2`, and will
be removed in a future release. Users of the `aufs` storage driver are
recommended to migrate to a different storage driver, such as `overlay2`, which
is now the default storage driver.

The `aufs` storage driver facilitates running Docker on distros that have no
support for OverlayFS, such as Ubuntu 14.04 LTS, which originally shipped with
a 3.14 kernel.

Now that Ubuntu 14.04 is no longer a supported distro for Docker, and `overlay2`
is available to all supported distros (as they are either on kernel 4.x, or have
support for multiple lowerdirs backported), there is no reason to continue
maintenance of the `aufs` storage driver.

### Reserved namespaces in engine labels

**Deprecated in Release: v18.06.0**
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