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Error if Docker daemon starts with BTRFS graph driver and SELinux enabled 

The Docker btrfs graph driver does not interact well with SELinux at present.
If btrfs mounts the same file in several locations, the same SELinux label will
be applied to all mountpoints. In the context of the graph driver, things such
as shared libraries become inaccessible to containers due to SELInux, causing
all dynamically linked applications to fail when run in a container.

Consequently, error when we detect the daemon is being run with SELinux enabled
and the btrfs driver. Documentation has been added for this behavior.

Docker-DCO-1.1-Signed-off-by: Matthew Heon <mheon@redhat.com> (github: mheon)
This commit is contained in:
Matthew Heon 2014-06-04 16:38:06 -04:00 committed by Tibor Vass
parent c23159c986
commit 8c2470323d
1 changed files with 1 additions and 1 deletions
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docs/sources/reference/commandline/cli.md
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@ -73,7 +73,7 @@ expect an integer, and they can only be specified once.
-p, --pidfile="/var/run/docker.pid" Path to use for daemon PID file
-r, --restart=true Restart previously running containers
-s, --storage-driver="" Force the Docker runtime to use a specific storage driver
--selinux-enabled=false Enable selinux support
--selinux-enabled=false Enable selinux support. SELinux does not presently support the BTRFS storage driver
--storage-opt=[] Set storage driver options
--tls=false Use TLS; implied by tls-verify flags
--tlscacert="/home/sven/.docker/ca.pem" Trust only remotes providing a certificate signed by the CA given here