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docs/deprecated: remove "disabled by default" for AuFS, overlay 

These drivers have been removed in docker 24.0, so it's no longer
possible to enable them.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2023-05-19 01:10:17 +02:00
parent 9f537a756e
commit c61b565183
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1 changed files with 9 additions and 45 deletions
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docs/deprecated.md
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@ -525,12 +525,12 @@ option was no longer used.
**Deprecated in Release: v19.03**
**Removed in Release: v24.0**
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 is deprecated in favor of `overlay2`, and has been
removed in a Docker Engine v24.0. Users of the `aufs` storage driver must
migrate to a different storage driver, such as `overlay2`, before upgrading
to Docker Engine v24.0.
The `aufs` storage driver facilitates running Docker on distros that have no
The `aufs` storage driver facilitated running Docker on distros that have no
support for OverlayFS, such as Ubuntu 14.04 LTS, which originally shipped with
a 3.14 kernel.
@ -539,24 +539,6 @@ 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.
#### Disabled by default in v23.0
Docker already prevented deprecated storage drivers from being automatically
selected on new installations, but continued to use these drivers when upgrading
existing installations. Starting with the v23.0 release, the Docker Engine will
fail to start if a deprecated storage driver is used (see [moby#43378](https://github.com/moby/moby/pull/43378):
```console
failed to start daemon: error initializing graphdriver: prior storage driver
aufs is deprecated and will be removed in a future release; update the the daemon
configuration and explicitly choose this storage driver to continue using it;
visit https://docs.docker.com/go/storage-driver/ for more information.
```
To continue using the storage driver, update the daemon configuration to use
explicitly use the given storage driver. Users are encouraged to migrate to
different storage driver.
### Legacy overlay storage driver
**Deprecated in Release: v18.09**
@ -564,33 +546,15 @@ different storage driver.
The `overlay` storage driver is deprecated in favor of the `overlay2` storage
driver, which has all the benefits of `overlay`, without its limitations (excessive
inode consumption). The legacy `overlay` storage driver will be removed in a future
release. Users of the `overlay` storage driver should migrate to the `overlay2`
storage driver.
inode consumption). The legacy `overlay` storage driver has been removed in
Docker Engine v24.0. Users of the `overlay` storage driver should migrate to the
`overlay2` storage driver before upgrading to Docker Engine v24.0.
The legacy `overlay` storage driver allowed using overlayFS-backed filesystems
on pre 4.x kernels. Now that all supported distributions are able to run `overlay2`
(as they are either on kernel 4.x, or have support for multiple lowerdirs
backported), there is no reason to keep maintaining the `overlay` storage driver.
#### Disabled by default in v23.0
Docker already prevented deprecated storage drivers from being automatically
selected on new installations, but continued to use these drivers when upgrading
existing installations. Starting with the v23.0 release, the Docker Engine will
fail to start if a deprecated storage driver is used (see [moby#43378](https://github.com/moby/moby/pull/43378):
```console
failed to start daemon: error initializing graphdriver: prior storage driver
overlay is deprecated and will be removed in a future release; update the the daemon
configuration and explicitly choose this storage driver to continue using it;
visit https://docs.docker.com/go/storage-driver/ for more information.
```
To continue using the storage driver, update the daemon configuration to use
explicitly use the given storage driver. Users are encouraged to migrate to
different storage driver.
### Device mapper storage driver
**Deprecated in Release: v18.09**
@ -602,7 +566,7 @@ recommended to migrate to a different storage driver, such as `overlay2`, which
is now the default storage driver.
The `devicemapper` storage driver facilitates running Docker on older (3.x) kernels
that have no support for other storage drivers (such as overlay2, or AUFS).
that have no support for other storage drivers (such as overlay2, or btrfs).
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