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overlayfs: add --storage-driver doc 

Signed-off-by: Vincent Batts <vbatts@redhat.com>
This commit is contained in:
Vincent Batts 2014-11-18 23:22:32 -05:00 committed by Tibor Vass
parent ddef8db902
commit acb8b1b5f6
1 changed files with 4 additions and 1 deletions
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docs/sources/reference/commandline/cli.md
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@ -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