Re: Cannot rename files with root squashing and r-x folder group permissions

[Joe Julian <joe@xxxxxxxxxxxxxxxx>]

https://bugzilla.redhat.com/enter_bug.cgi?product=GlusterFS

Please file a bug report.

On July 14, 2014 12:38:11 AM PDT, David Raffelt <d.raffelt@xxxxxxxxxxxx> wrote:

Hi All,

After a recent update to gluster 3.5 we are having some issues renaming files when root squashing is enabled and the folder group permissions are not set to write. 

For example if I create a folder with the following permissions

$ mkdir test

$ chmod g-w test

$ ls -l 

drwxr-xr-x  2 dave dave  22 Jul 14 17:16 test

When I create a file within this folder, and try to rename it I get a file permissions error. 

$ cd test

$ touch asdf

$ mv asdf asdf2

mv: cannot move ‘asdf’ to ‘asdf2’: Permission denied

A strace on the mv command reveals the rename system call fails with:

rename("asdf", "asdf2") = -1 EACCES (Permission denied)

However I can copy the file and delete the old one fine. 

If I either disable gluster root squashing, or change the test_dir folder group permission to write then I can rename the file without any problems.

System details are:

Arch linux

System umask is set to 002

Distributed volume, 3 peers, 1 brick per peer. 

Any help is much appreciated!

Dave

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