Linux Delete large files, DF view space unchanged

The file has been deleted, but the space is not released

It may be because the file is locked by the process, or a process has been writing data to this file

View the process of locking files directly with lsof

If there is a process that opens a large file, the large file is RM/MV,

Du will update the statistics

DF is not updated , or the space is not released until the process is killed

Du can view file and folder sizes

DF can view the first-level folder size, usage ratio, hanging point, file system, etc., can not see the file, you may see the overall disk situation Df-h

Linux Delete large files, DF view space unchanged