multipath.rules

Linux Multipath Source Code

#
# multipath and multipath partitions nodes are created in /dev/mapper/
# this file should be installed in /etc/udev/rules.d
#
# !! udev must not discard DM events !!
# !! check the other installed rules !!
#

# lookup the devmap name
#ACTION=="add", SUBSYSTEM=="block", KERNEL=="dm-*", \
#	PROGRAM="/sbin/devmap_name %M %m"
ACTION=="add", SUBSYSTEM=="block", KERNEL=="dm-*", \
	PROGRAM="/sbin/dmsetup -j %M -m %m --noopencount --noheadings -c -o name info"

# take care of devmap partitioning
ACTION=="add", SUBSYSTEM=="block", KERNEL=="dm-*", \
	RUN+="/sbin/kpartx -a /dev/mapper/%c"