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Merge pull request #21097 from thaJeztah/dont-run-without-udev-sync

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Fail when devicemapper doesn't support udev-sync
This commit is contained in:
Brian Goff 2016-03-14 21:18:01 -04:00
commit 37a1fadae6
1 changed files with 4 additions and 1 deletions
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5
daemon/graphdriver/devmapper/deviceset.go
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@ -1659,7 +1659,10 @@ func (devices *DeviceSet) initDevmapper(doInit bool) error {
// https://github.com/docker/docker/issues/4036
if supported := devicemapper.UdevSetSyncSupport(true); !supported {
logrus.Warn("devmapper: Udev sync is not supported. This will lead to unexpected behavior, data loss and errors. For more information, see https://docs.docker.com/reference/commandline/daemon/#daemon-storage-driver-option")
logrus.Errorf("devmapper: Udev sync is not supported. This will lead to data loss and unexpected behavior. Install a dynamic binary to use devicemapper or select a different storage driver. For more information, see https://docs.docker.com/engine/reference/commandline/daemon/#daemon-storage-driver-option")
if !devices.overrideUdevSyncCheck {
return graphdriver.ErrNotSupported
}
}
//create the root dir of the devmapper driver ownership to match this