Stopping clients: oleg319-client.virtnet /mnt/lustre2 (opts:)
Stopping client oleg319-client.virtnet /mnt/lustre2 opts:
COMMAND   PID USER   FD   TYPE      DEVICE SIZE/OFF               NODE NAME
dd      60311 root    1u   REG 1273,181606 11010048 144115205306060072 /mnt/lustre2/racer0/10/19/14
dd      61755 root    1u   REG 1273,181606        0 144115205306060178 /mnt/lustre2/racer0/0 (deleted)
/mnt/lustre2 is still busy, wait one second