Hi Doug,
The chmod function was not implemented in xrootdfs. Is there a reason you want a file in xrootd storage to have “x” bit? it can be done.
regards,
Wei Yang | [log in to unmask] | 650-926-3338(O)
On Feb 22, 2014, at 6:28 AM, dougbenjamin <[log in to unmask]> wrote:
> 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
> #
>
> —
> Reply to this email directly or view it on GitHub.
>
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