[CentOS] Invisible files and disk space

Thu Oct 8 16:38:55 UTC 2020
Simon Matter <simon.matter at invoca.ch>

> On Thu, Oct 08, 2020 at 11:12:54AM -0400, Yves Bellefeuille wrote:
>> centos2 at foxengines.net wrote:
>> > It's not working, I haven't been able to identify the files. They
>> aren't
>> > there. All attempts to measure disk usage of / by files shows that the
>> > disk usage is only a percentage of available space and that there
>> > should be space available.
>> Sparse files? How are you determining how much free space you have?
> Thanks for your response.
> I didn't attempt to find sparse files specifically but there were no files
> (or
> dot-files) at the top level of / that contained any significant data.
> There sum of the sizes of all of the directories at the top level of /
> reported
> by du did not match the amount of disk space used at the time of the
> problem.
> I don't have a transcript of that session but I was using commands like:
> find / -maxdepth 1 -xdev -type d | while read; do du -shx $d; done

What does

lsof | grep DEL