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#!/bin/sh
# This script is not used when systemd is running
### BEGIN INIT INFO
# Provides: mdadm-waitidle
# Required-Start:
# Required-Stop:
# Should-Stop: halt reboot kexec
# X-Stop-After: umountroot
# Default-Start:
# Default-Stop: 0 6
# Short-Description: Wait for MD arrays to become idle
# Description: Waits until all MD arrays are in idle and synced state
# before halt/reboot.
### END INIT INFO
#
set -eu
MDADM=/sbin/mdadm
test -x "$MDADM" || exit 0
test -f /proc/mdstat || exit 0
. /lib/lsb/init-functions
case "${1:-}" in
start|restart|force-reload)
# nothing, the only reason the script is here is to stop arrays
;;
stop)
sync
wait=
for md in /sys/block/md*/md ; do
[ -d "$md" ] || continue
[ "$wait" ] || log_action_begin_msg "Waiting for MD arrays to become idle"
wait=y
[ -w $md/sync_action ] && echo idle > $md/sync_action
done
if [ "$wait" ]; then
# mdadm --wait-clean has a short internal timeout
if $MDADM --wait-clean --scan; then
log_action_end_msg 0
else
log_action_end_msg 1
sleep 1
fi
fi
;;
*)
echo "Usage: ${0:-} stop" >&2
exit 1;;
esac
exit 0
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