Stopping clients: oleg134-client.virtnet /mnt/lustre2 (opts:)
Stopping client oleg134-client.virtnet /mnt/lustre2 opts:
COMMAND   PID USER   FD   TYPE      DEVICE SIZE/OFF               NODE NAME
dd      72269 root    1u   REG 1273,181606        0 162129603815541450 /mnt/lustre2/racer1/12
dd      72711 root    1u   REG 1273,181606        0 144115205306060104 /mnt/lustre2/racer0/8
/mnt/lustre2 is still busy, wait one second