[Unit] Description=Availability of block devices Before=shutdown.target After=lvm2-activation.service lvm2-lvmetad.service iscsi-shutdown.service iscsi.service iscsid.service fcoe.service rbdmap.service DefaultDependencies=no Conflicts=shutdown.target [Service] Type=oneshot ExecStart=/usr/bin/true ExecStop=/usr/sbin/blkdeactivate -u -l wholevg -m disablequeueing -r wait RemainAfterExit=yes [Install] WantedBy=sysinit.target