# pvs # multipath -ll # multipath -f mpath＊ # ll /dev/disk/by-path/ | grep ip-10.[8-9].*.[1-4]: # echo 1 > /sys/block/sd＊/device/delete # ll /dev/disk/by-path/ | grep ip-10.[8-9].*.[1-4]: # tail -f /var/log/messages # multipath -ll