diff --git a/content/manuals/engine/storage/drivers/btrfs-driver.md b/content/manuals/engine/storage/drivers/btrfs-driver.md index 720f6d59be8..2e55b51768d 100644 --- a/content/manuals/engine/storage/drivers/btrfs-driver.md +++ b/content/manuals/engine/storage/drivers/btrfs-driver.md @@ -6,6 +6,15 @@ aliases: - /storage/storagedriver/btrfs-driver/ --- +> [!IMPORTANT] +> +> In most cases you should use the `overlay2` storage driver - it's not +> required to use the `btrfs` storage driver simply because your system uses +> Btrfs as its root filesystem. +> +> Btrfs driver has known issues - see [Moby issue #27653](https://github.com/moby/moby/issues/27653) +> for more information. + Btrfs is a copy-on-write filesystem that supports many advanced storage technologies, making it a good fit for Docker. Btrfs is included in the mainline Linux kernel. diff --git a/content/manuals/engine/storage/drivers/select-storage-driver.md b/content/manuals/engine/storage/drivers/select-storage-driver.md index b0f5dc38c1b..83ad6cac64b 100644 --- a/content/manuals/engine/storage/drivers/select-storage-driver.md +++ b/content/manuals/engine/storage/drivers/select-storage-driver.md @@ -102,13 +102,19 @@ With regard to Docker, the backing filesystem is the filesystem where `/var/lib/docker/` is located. Some storage drivers only work with specific backing filesystems. -| Storage driver | Supported backing filesystems | -| :--------------- | :---------------------------- | -| `overlay2` | `xfs` with ftype=1, `ext4` | -| `fuse-overlayfs` | any filesystem | -| `btrfs` | `btrfs` | -| `zfs` | `zfs` | -| `vfs` | any filesystem | +| Storage driver | Supported backing filesystems | +| :--------------- | :-----------------------------------------------------| +| `overlay2` | `xfs` with ftype=1, `ext4`, `btrfs`, (and more\*) | +| `fuse-overlayfs` | any filesystem | +| `btrfs` | `btrfs` | +| `zfs` | `zfs` | +| `vfs` | any filesystem | + +> [!NOTE] +> \* Most filesystems should work if they have the required features. +> Consult [OverlayFS](https://www.kernel.org/doc/html/latest/filesystems/overlayfs.html) +> for more information. + ## Other considerations