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* udev rules: introduce rules for cluster-md to confirm deviceGuoqing Jiang2017-08-021-0/+21
For cluster scenario, add device is different with native raid. When a node issues adds a device, then the node will broadcast a message with UUID to other nodes in the cluster. If receiving node can find the device with the specific UUID, it must confirm the device, otherwise reports it is missing. Signed-off-by: Guoqing Jiang <gqjiang@suse.com> Signed-off-by: Jes Sorensen <jsorensen@fb.com>