Stopping clients: oleg357-client.virtnet /mnt/lustre2 (opts:)
Stopping client oleg357-client.virtnet /mnt/lustre2 opts:
COMMAND   PID USER   FD   TYPE      DEVICE SIZE/OFF               NODE NAME
dd      80102 root    1u   REG 1273,181606        0 144115205306061274 /mnt/lustre2/racer0/4/7
dd      82175 root    1u   REG 1273,181606        0 162129603815542296 /mnt/lustre2/racer1/7/10
/mnt/lustre2 is still busy, wait one second