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|
#!/bin/sh
#
# multipathd shutdown
PREREQ=""
prereqs() { echo "$PREREQ"; }
case $1 in
prereqs)
prereqs
exit 0
;;
esac
. /scripts/functions
verbose()
{
case "$quiet" in y*|Y*|1|t*|T*)
return 1;;
*)
return 0;;
esac
}
maybe_break pre-multipath
if [ ! -e /usr/sbin/multipathd ]; then
exit 0
fi
# Stop multipathd
verbose && log_begin_msg "Stopping multipathd"
pid_pidof="$(pidof multipathd)"
pid_file="$(cat /run/multipathd.pid)"
if [ "${pid_pidof}" = "${pid_file}" ]; then
kill ${pid_pidof}
verbose && log_end_msg
else
verbose && log_failure_msg "inconsistent PIDs (pidof: '${pid_pidof}', multipathd.pid: '${pid_file}')"
fi
# Wait for multipathd unix socket to close.
# It might take a while for multipathd to handle the signal,
# which might leave the unix socket open until the upcoming
# systemd multipath.socket unit starts. Then it fails with
# (Result: resources) like this (logs in journalctl):
# "Failed to listen on sockets: Address already in use"
seconds=10
while [ $seconds -gt 0 ]; do
grep -q '@/org/kernel/linux/storage/multipathd' /proc/net/unix || break
seconds=$((seconds - 1))
sleep 1
done
maybe_break post-multipath
exit 0
|
