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Filename : 64-lvm.rules

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# hacky rules to try to activate lvm when we get new block devs...
#
# Copyright 2008, Red Hat, Inc.
# Jeremy Katz <katzj@redhat.com>


SUBSYSTEM!="block", GOTO="lvm_end"
ACTION!="add|change", GOTO="lvm_end"

# If the md device is active (indicated by array_state), then set the flag
# LVM_MD_PV_ACTIVATED=1 indicating that the md device for the PV is ready
# to be used.  The lvm udev rule running in root will check that this flag
# is set before it will process the md device (it wants to avoid
# processing an md device that exists but is not yet ready to be used.)
KERNEL=="md[0-9]*", ACTION=="change", ENV{ID_FS_TYPE}=="LVM2_member", ENV{LVM_MD_PV_ACTIVATED}!="1", TEST=="md/array_state", ENV{LVM_MD_PV_ACTIVATED}="1"

# Also don't process disks that are slated to be a multipath device
ENV{DM_MULTIPATH_DEVICE_PATH}=="1", GOTO="lvm_end"
KERNEL=="dm-[0-9]*", ACTION=="add", GOTO="lvm_end"
ENV{ID_FS_TYPE}!="LVM?_member", GOTO="lvm_end"

PROGRAM=="/bin/sh -c 'for i in $sys/$devpath/holders/dm-[0-9]*; do [ -e $$i ] && exit 0; done; exit 1;' ", \
    GOTO="lvm_end"

RUN+="/sbin/initqueue --settled --onetime --unique /sbin/lvm_scan"
RUN+="/sbin/initqueue --timeout --name 51-lvm_scan --onetime --unique /sbin/lvm_scan --activationmode degraded"
RUN+="/bin/sh -c '>/tmp/.lvm_scan-%k;'"

LABEL="lvm_end"