SUBSYSTEM!="block", GOTO="ps_end"
ACTION!="add|change", GOTO="ps_end"
# Also don't process disks that are slated to be a multipath device
ENV{DM_MULTIPATH_DEVICE_PATH}=="1", GOTO="ps_end"

KERNEL=="cciss[0-9]*", IMPORT BLKID
KERNEL=="nbd[0-9]*", IMPORT BLKID

LABEL="ps_end"