Linux failure: df-h statistics disk space takes up too much, but du-h can't find large files

With lsof/| Grep-i Delete deleted files that are located from the root directory that are opened

If locating a file takes up a lot of space

Mainly because we delete this log file by the RM-RF *.log such a command to delete, delete the log and not restart the corresponding process, resulting in the Inode node is not released, space has been occupied.
If we use the echo "" >/logpath/201109.log command to empty the log

Related tools:

Df-h

Du-h

Du-sh

Du-h--max-depth=1

Lsof/| Grep-i Delete

Lsof Abc.txt shows the process of opening the file Abc.txt
LSOF-C ABC show ABC process now open file
LSOF-C-P 1234 lists files opened by processes with process number 1234

Find/-size +100c-print from the root disk for 100-byte files

Linux failure: df-h statistics disk space takes up too much, but du-h can't find large files