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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 ### Daemon storage-driver option
The Docker daemon has support for three different image layer storage drivers: `aufs`, 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 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 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 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`. 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 ### Docker exec-driver option