we have xrootd data server mounted on another machine using xrootdfs

Here is the auto mount line -
/grid/atlas -fstype=fuse,rw,uid=xrootd,rdr=root://atlasfs02.hep.anl.gov:1094//grid/atlas :xrootdfs.sh

[dbenjamin@ascinode ~]$ cat /usr/bin/xrootdfs.sh
#!/bin/bash
exec /usr/bin/xrootdfs $@ >/dev/null 2>&1

and

[dbenjamin@ascinode ~]$ mount | grep grid
xrootdfs on /grid/atlas type fuse (rw,allow_other)

yet when I try to change permissions on the file -

[dbenjamin@ascinode ~]$ ls -l /grid/atlas/hpc/common/alpgen/executables/zjetgen
-rw-rw-rw- 1 xrootd xrootd 502036 Feb 21 19:49 /grid/atlas/hpc/common/alpgen/executables/zjetgen

to 755 nothing changed.

[dbenjamin@ascinode ~]$ chmod -v 755 /grid/atlas/hpc/common/alpgen/executables/zjetgen
mode of `/grid/atlas/hpc/common/alpgen/executables/zjetgen' changed to 0755 (rwxr-xr-x)
[dbenjamin@ascinode ~]$ ls -l /grid/atlas/hpc/common/alpgen/executables/zjetgen
-rw-rw-rw- 1 xrootd xrootd 502036 Feb 21 19:49 /grid/atlas/hpc/common/alpgen/executables/zjetgen

The file server xrootd log shows no error.

I can change the permission with :

[dbenjamin@ascinode ~]$ xrdfs atlasfs02.hep.anl.gov ls -l /grid/atlas/hpc/common/alpgen/executables | grep zjetgen
-rwx 2013-12-13 16:21:18 756362 /grid/atlas/hpc/common/alpgen/executables/zjetgen77
-rwx 2014-02-22 01:46:56 502036 /grid/atlas/hpc/common/alpgen/executables/zjetgen90
-rw- 2014-02-22 01:49:58 502036 /grid/atlas/hpc/common/alpgen/executables/zjetgen

[dbenjamin@ascinode ~]$ xrdfs atlasfs02.hep.anl.gov chmod /grid/atlas/hpc/common/alpgen/executables/zjetgen rwxr-xr-x
[dbenjamin@ascinode ~]$ xrdfs atlasfs02.hep.anl.gov ls -l /grid/atlas/hpc/common/alpgen/executables | grep zjetgen
-rwx 2013-12-13 16:21:18 756362 /grid/atlas/hpc/common/alpgen/executables/zjetgen77
-rwx 2014-02-22 01:46:56 502036 /grid/atlas/hpc/common/alpgen/executables/zjetgen90
-rwx 2014-02-22 01:49:58 502036 /grid/atlas/hpc/common/alpgen/executables/zjetgen

on the data server - here is the contents of the authorization file -

[root@atlasfs02 ~]# cat /etc/xrootd/auth_file

This means that all the users have read access to the datasets

u * /grid lr

This means that all the users have full access to their private dirs

u = /grid/atlas/local/@=/ a

This means that this privileged user can do everything

You need at least one user like that, in order to create the

private dir for each user willing to store his data in the facility

u apf /grid a
u xrootd /grid a
u lecompte /grid a
u dbenjamin /grid a
u jchilders /grid a
u bestman /grid/atlas a
u root /grid a
u usatlas1 /grid/atlas/dq2 a
#u usatlas3 /grid/atlas/dq2 a
u usatlas4 /grid/atlas/dq2 a
u usatlas3 /grid a
#

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