Troubleshooting Linux Delete files without releasing the disk

1, with DF Check discovery/root directory free space is 0

[[Email protected]/] #df-H//view system disk space

2, with du inspection found that each directory occupies little space, there is about 3g of space inexplicably lost.

[[Email protected]/]# du-s * |SORT-NR |head//View the top 10 files

3, with lsof examination only found the reason is that there is a file is deleted, and the process is still alive, resulting in space-occupying phenomenon

[[Email protected]/]# lsof |grep Delete

After the process is killed, the space is freed according to the process number listed by Lsof.

This view out of the process is more, a process to kill the more troublesome, you can use the following command to kill all the detected processes at once

Lsof |grep delete| Xargs Kill-s 9

Finally df-h view, the deleted files are occupied by the disk has been released.

Troubleshooting Linux Delete files without releasing the disk