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Edit File: blk-availability.service
[Unit] Description=Availability of block devices Before=shutdown.target After=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