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: / proc / self / root / usr / share / initramfs-tools / scripts / local-block /

Filename : mdadm

back

#!/bin/sh

PREREQ="multipath"

prereqs()
{
	echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
	prereqs
	exit 0
	;;
esac

. /scripts/functions

# Poor man's mdadm-last-resort@.timer
# That kicks in 2/3rds into the ROOTDELAY

if [ ! -f /run/count.mdadm.initrd ]
then
    COUNT=0

    # Unfortunately raid personalities can be registered _after_ block
    # devices have already been added, and their rules processed, try
    # triggering again.  See #830770
    udevadm trigger --action=add -s block || true
    wait_for_udev 10
else
    COUNT=$(cat /run/count.mdadm.initrd)
fi
COUNT=$((COUNT + 1))

echo $COUNT > /run/count.mdadm.initrd

# Run pure assemble command, even though we default to incremental
# assembly it is supported for users to export variables via
# param.conf such as IMSM_NO_PLATFORM.  See #830300
mdadm -q --assemble --scan --no-degraded || true

MAX=30
if [ ${ROOTDELAY:-0} -gt $MAX ]; then
    MAX=$ROOTDELAY
fi
MAX=$((MAX*2/3))

if [ "$COUNT" = "$MAX" ]
then
    # Poor man's mdadm-last-resort@.service for incremental devices
    mdadm -q --run /dev/md?*

    # And last try for all others
    mdadm -q --assemble --scan --run

    rm -f /run/count.mdadm.initrd
fi

exit 0