From acb8b1b5f63bd565429ea8e03cd2d5823a024bd1 Mon Sep 17 00:00:00 2001 From: Vincent Batts Date: Tue, 18 Nov 2014 23:22:32 -0500 Subject: [PATCH] overlayfs: add --storage-driver doc Signed-off-by: Vincent Batts --- docs/sources/reference/commandline/cli.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/docs/sources/reference/commandline/cli.md b/docs/sources/reference/commandline/cli.md index b4af794fbc..6dedb4799f 100644 --- a/docs/sources/reference/commandline/cli.md +++ b/docs/sources/reference/commandline/cli.md @@ -156,7 +156,7 @@ string is equivalent to setting the `--tlsverify` flag. The following are equiva ### Daemon storage-driver option The Docker daemon has support for three different image layer storage drivers: `aufs`, -`devicemapper`, and `btrfs`. +`devicemapper`, `btrfs` and `overlayfs`. The `aufs` driver is the oldest, but is based on a Linux kernel patch-set that is unlikely to be merged into the main kernel. These are also known to cause some @@ -175,6 +175,9 @@ To tell the Docker daemon to use `devicemapper`, use The `btrfs` driver is very fast for `docker build` - but like `devicemapper` does not share executable memory between devices. Use `docker -d -s btrfs -g /mnt/btrfs_partition`. +The `overlayfs` is a very fast union filesystem. It is now merged in the main +Linux kernel as of [3.18.0](https://lkml.org/lkml/2014/10/26/137). +Call `docker -d -s overlayfs` to use it. ### Docker exec-driver option