Cannot remove zfs empty directory

[Gary Jennejohn]

On Fri, 6 Nov 2020 15:05:01 +0100
Ali Abdallah <ali.abdallah at suse.com> wrote:

> Hello,
> 
> I'm having a strange issue deleting an empty folder on the zfs
> dataset zroot/usr/home
> 
> $ cd $HOME/.cache/chromium/Default
> $ ls -la
> drwx------  3 ali  ali  3 Nov  6 14:40 ./
> drwx------  3 ali  ali  3 Nov  6 14:33 ../
> drwxr-xr-x  2 ali  ali  4 Oct 19 11:30 cache/
> $ rm -rf cache
> rm: cache/: Directory not empty
> 
> $ ls -ld cache
> drwxr-xr-x  2 ali  ali  4 Oct 19 11:30 cache/
> 
> the size is 4, which is strange since the directory looks totally empty.
> 
> ls -la cache/
> drwxr-xr-x  2 ali  ali  4 Oct 19 11:30 ./
> drwx------  3 ali  ali  3 Nov  6 14:40 ..
> 
> I don't have chromium since long time, originally the machine was
> running FreeBSD 12.1 (now running FreeBSD 12.2), but the issue was
> present before the upgrade.
> 
> zpool status -v gives not errors at all.
> 
> It is not a big deal, but just trying to understand what is happening
> here.
> 

Try ls -lo.  There might be some chflags(1) flags set which prevent deletion.

-- 
Gary Jennejohn