diff --git a/storage/storagedriver/select-storage-driver.md b/storage/storagedriver/select-storage-driver.md index 3d3dbdefcd..0426566651 100644 --- a/storage/storagedriver/select-storage-driver.md +++ b/storage/storagedriver/select-storage-driver.md @@ -23,7 +23,7 @@ this decision, there are three high-level factors to consider: If multiple storage drivers are supported in your kernel, Docker has a prioritized list of which storage driver to use if no storage driver is explicitly configured, -assuming that the that storage driver meets the prerequisites. +assuming that the storage driver meets the prerequisites. Use the storage driver with the best overall performance and stability in the most usual scenarios. @@ -33,12 +33,12 @@ Docker supports the following storage drivers: * `overlay2` is the preferred storage driver, for all currently supported Linux distributions, and requires no extra configuration. * `aufs` is the preferred storage driver for Docker 18.06 and older, when - running on Ubuntu 14.04 on kernel 3.13 (which has no support for `overlay2`. + running on Ubuntu 14.04 on kernel 3.13 which has no support for `overlay2`. * `devicemapper` is supported, but requires `direct-lvm` for production environments, because `loopback-lvm`, while zero-configuration, has very poor performance. `devicemapper` was the recommended storage driver for CentOS and RHEL, as their kernel version did not support `overlay2`. However, - current versions of CentOS and RHEL now have support for `overlay2`, and + current versions of CentOS and RHEL now have support for `overlay2`, which is now the recommended driver. * The `btrfs` and `zfs` storage drivers are used if they are the backing filesystem (the filesystem of the host on which Docker is installed). @@ -47,21 +47,20 @@ Docker supports the following storage drivers: filesystem being configured correctly. * The `vfs` storage driver is intended for testing purposes, and for situations where no copy-on-write filesystem can be used. Performance of this storage - driver is poor, and not generally recommended for production use. + driver is poor, and is not generally recommended for production use. Docker's source code defines the selection order. You can see the order at [the source code for Docker CE {{ site.docker_ce_stable_version }}](https://github.com/docker/docker-ce/blob/{{ site.docker_ce_stable_version }}/components/engine/daemon/graphdriver/driver_linux.go#L50) -You can use the branch selector at the top of the file viewer to choose a different branch, if you run a -different version of Docker. +If you run a different version of Docker, you can use the branch selector at the top of the file viewer to choose a different branch. {: id="storage-driver-order" } Some storage drivers require you to use a specific format for the backing filesystem. If you have external requirements to use a specific backing filesystem, this may limit your choices. See [Supported backing filesystems](#supported-backing-filesystems). -After you have narrowed down which storage drivers you can choose from, your choice are determined by the +After you have narrowed down which storage drivers you can choose from, your choice is determined by the characteristics of your workload and the level of stability you need. See [Other considerations](#other-considerations) -for help making the final decision. +for help in making the final decision. > ***NOTE***: Your choice may be limited by your Docker edition, operating system, and distribution. > For instance, `aufs` is only supported on Ubuntu and Debian, and may require extra packages @@ -99,13 +98,13 @@ configurations work on recent versions of the Linux distribution: | Docker CE on CentOS | `overlay2` | `overlay`¹, `devicemapper`², `zfs`, `vfs` | | Docker CE on Fedora | `overlay2` | `overlay`¹, `devicemapper`², `zfs`, `vfs` | -¹) The `overlay` storage driver is marked deprecated in docker 18.09, and will be -removed in a future release. Users of the `overlay` storage driver are recommended -to migrate to `overlay2`. +¹) The `overlay` storage driver is deprecated in Docker 18.09, and will be +removed in a future release. It is recommended that users of the `overlay` storage driver +migrate to `overlay2`. -²) The `devicemapper` storage driver is marked deprecated in docker 18.09, and will be -removed in a future release. Users of the `devicemapper` storage driver are recommended -to migrate to `overlay2`. +²) The `devicemapper` storage driver is deprecated in Docker 18.09, and will be +removed in a future release. It is recommended that users of the `overlay` storage driver +migrate to `overlay2`. When possible, `overlay2` is the recommended storage driver. When installing