s15391289:~ # cd / ; du -m -x --max-depth=1
1 ./lost+found
0 ./usr
1 ./var
0 ./tmp
0 ./proc
0 ./srv
0 ./sys
1 ./home
7 ./bin
17 ./boot
0 ./dev
45 ./etc
112 ./lib
8 ./lib64
1 ./mnt
4 ./opt
1 ./root
10 ./sbin
201 .
s15391289:/ # lsof |grep dele
mysqld 2272 mysql 4u REG 8,6 0 25166521 /var/lib/mysql/.tmp/ibtq1JZc (deleted)
mysqld 2272 mysql 5u REG 8,6 0 25166716 /var/lib/mysql/.tmp/ibyJgvBp (deleted)
mysqld 2272 mysql 6u REG 8,6 0 25166771 /var/lib/mysql/.tmp/ibqHxxeC (deleted)
mysqld 2272 mysql 7u REG 8,6 0 25166772 /var/lib/mysql/.tmp/ib57YDWO (deleted)
mysqld 2272 mysql 11u REG 8,6 0 25166773 /var/lib/mysql/.tmp/ibkcXlZ1 (deleted)
s15391289:/ #