Gari,

Hi, your situation seems odd.  Freesurfer does not require anything
special in terms of a file system, or modify system settings of any sort,
so I'm not sure what is happening in your situation.  The recon-all script
does set 'umask 002', which clears the write-bit for 'other' users. 
Perhaps this is conflicting with some special system setting?  although i
have never heard of a problem with umask so i'm grasping at straws here. 
sorry!

Nick


> Thanks for the answers.
> I am not the sys admin, but I think I can answer both questions:
>> I assume the system is in read-write mode since the rest of the programs
> (i.e. Matlab) are working.
>> The SUBJECT_DIR is in each personal space, I mean:
> --- FS is installed in a Linux CentOS 5 machine, I have an account in that
> machine (and I can work normally if my SUBJECTS_DIR is in that machine)
> --- I have a personal drive space in the NFS 4, and I used to have my
> SUBJECTS_DIR in that drive, but after they upgraded it to NFS 4, it didn't
> work again.
>> We have a new cluster now, they are testing it, it has Red Hat
>> installed,
> with FS 5.2, and I've been told that it cannot write (same problem).
>
> The strange thing is that other programs work fine with this setup.
>
> Do you think the problem is in the file system config (it seems so) or in
> FS config to be able to work with NFS 4?
>
> I have asked the sys admin for the output of the system-config-nfs, I
> don't
> have admin privileges to run it.
>
> thanks again!
> Gari
>
>
>
> On Fri, May 10, 2013 at 11:46 PM, Nick Schmansky
> <ni...@nmr.mgh.harvard.edu>wrote:
>
>> Gari,
>>
>> At the NMR Center we use NFS v4 without problems with freesurfer.  Is
>> the
>> SUBJECTS_DIR writable?  Note that in the default freesurfer
>> distribution,
>> the freesurfer/subjects directory is not writable (contains sample and
>> template subjects).
>>
>> Nick
>>
>>
>> > Hi,
>> > Has anybody got problems using FS with NFS v4?
>> > We cannot write subjects if the SUBJECTS_DIR is in a NFS v4 system.
>> >
>> > Many thanks,
>> > Gari
>> >
>> > ---------- Forwarded message ----------
>> > From: Garikoitz Lerma-Usabiaga <gariko...@gmail.com>
>> > Date: Tue, May 7, 2013 at 5:25 PM
>> > Subject: NFS v4 on CentOS 5.4 or Red Hat 6.2
>> > To: Freesurfer <freesurfer@nmr.mgh.harvard.edu>
>> >
>> >
>> > Hi FS experts,
>> > we have changed our file systems to NFS v4 and we found that FS cannot
>> > write to it (I mean, FS installed in an app server and subjects in the
>> > file
>> > system is not working).
>> >  Last new I have is that FS in CentOS could read but not write and in
>> Red
>> > Hat could not write or read.
>> >
>> > Is it a known problem? Is it something going on with FS or the problem
>> is
>> > in our end? (the rest of the programs are working fine: FSL,
>> Matlab...)
>> >
>> >
>> > Many thanks,
>> > Gari
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>>
>>
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