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Hi Yujing,

I think you are not understanding the question/issue I'm asking. I am aware 
that they are not creating links of those files and that it will be generated 
when it reaches these steps.

My folders are located on an exFAT drive. The symbolic link cannot be created 
due to exFAT format. Hence, my question isn't about whether lh.white.K is 
created or not or if it was missing from directory that causes it to be missing.

The question that I'm asking is if there's a solution to workaround external 
drives that are formatted as exFAT? As symbolic links can't be generated on 
exFAT formatted drives. Hope that clarifies.


Cheers,
Mervin



________________________________
From: freesurfer-boun...@nmr.mgh.harvard.edu 
<freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Huang, Yujing 
<yhuan...@mgh.harvard.edu>
Sent: 25 September 2023 22:17
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Unable to complete all the steps of recon-all

        - External Email -



        External Email - Use Caution

lh.white.K and lh.white.H normally created as links to lh.white.preaparc.K and 
lh.white.preaparc.H



I don’t see ‘lh.white.K’ in your surf/ directory either as a file or a symbolic 
link.



Yujing



From: freesurfer-boun...@nmr.mgh.harvard.edu 
<freesurfer-boun...@nmr.mgh.harvard.edu> On Behalf Of Mervin Tee
Sent: Monday, September 25, 2023 10:03 AM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Unable to complete all the steps of recon-all



        External Email - Use Caution

Hi Yujing,



You can find the directory listed before, however, before you start heading 
down the wrong path of this error. I have and am able to complete recon-all 
with no issue on my internal ssd that is formatted to work with symlink.



ls 
/media/mt/Expansion/Disk9/EDIS_751_alreadytrftoFS/ED751_SAG_MPRAGE_p2_NON-SSc.nii/surf/

autodet.gw.stats.lh.dat                  lh.volume

autodet.gw.stats.rh.dat                  lh.volume.fsaverage.mgh

lh.area                                  lh.volume.fsaverage.mris_preproc.log

lh.area.fsaverage.mgh                    lh.w-g.pct.mgh

lh.area.fsaverage.mris_preproc.log       lh.white

lh.area.mid                              lh.white.preaparc

lh.area.pial                             lh.white.preaparc.H

lh.area.pial.fsaverage.mgh               lh.white.preaparc.K

lh.area.pial.fsaverage.mris_preproc.log  rh.area

lh.avg_curv                              rh.area.mid

lh.curv                                  rh.area.pial

lh.curv.fsaverage.mgh                    rh.avg_curv

lh.curv.fsaverage.mris_preproc.log       rh.curv

lh.curv.pial                             rh.curv.pial

lh.defect_borders                        rh.defect_borders

lh.defect_chull                          rh.defect_chull

lh.defect_labels                         rh.defect_labels

lh.defects.pointset                      rh.defects.pointset

lh.fsaverage.sphere.reg                  rh.fsaverage.sphere.reg

lh.inflated                              rh.inflated

lh.inflated.nofix                        rh.inflated.nofix

lh.jacobian_white                        rh.jacobian_white

lh.orig                                  rh.orig

lh.orig.nofix                            rh.orig.nofix

lh.orig.premesh                          rh.orig.premesh

lh.pial                                  rh.pial

lh.pial.T1                               rh.pial.T1

lh.qsphere.nofix                         rh.qsphere.nofix

lh.smoothwm                              rh.smoothwm

lh.smoothwm.BE.crv                       rh.smoothwm.BE.crv

lh.smoothwm.C.crv                        rh.smoothwm.C.crv

lh.smoothwm.FI.crv                       rh.smoothwm.FI.crv

lh.smoothwm.H.crv                        rh.smoothwm.H.crv

lh.smoothwm.K1.crv                       rh.smoothwm.K1.crv

lh.smoothwm.K2.crv                       rh.smoothwm.K2.crv

lh.smoothwm.K.crv                        rh.smoothwm.K.crv

lh.smoothwm.nofix                        rh.smoothwm.nofix

lh.smoothwm.S.crv                        rh.smoothwm.S.crv

lh.sphere                                rh.sphere

lh.sphere.reg                            rh.sphere.reg

lh.sulc                                  rh.sulc

lh.sulc.fsaverage.mgh                    rh.thickness

lh.sulc.fsaverage.mris_preproc.log       rh.volume

lh.thickness                             rh.w-g.pct.mgh

lh.thickness.fsaverage.mgh               rh.white

lh.thickness.fsaverage.mris_preproc.log  rh.white.preaparc



Cheers,
Mervin





________________________________

From: 
freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>
 
<freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>>
 on behalf of Huang, Yujing 
<yhuan...@mgh.harvard.edu<mailto:yhuan...@mgh.harvard.edu>>
Sent: 25 September 2023 21:43
To: Freesurfer support list 
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] Unable to complete all the steps of recon-all





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The error says “ERROR: cannot find 
/media/mt/Expansion/Disk9/EDIS_751/ED751_SAG_MPRAGE_p2_NON-SSc.nii/surf/lh.white.K”.



Can you send what your subject surf/ directory looks like - ‘ls -lt 
/media/mt/Expansion/Disk9/EDIS_751/ED751_SAG_MPRAGE_p2_NON-SSc.nii/surf/’?



Yujing



From: 
freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>
 
<freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>>
 On Behalf Of Mervin Tee
Sent: Monday, September 25, 2023 9:39 AM
To: Freesurfer support list 
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] Unable to complete all the steps of recon-all



        External Email - Use Caution

HI Yujing,



Here's the log file you have requested. Do take note that I have followed a 
post to modify my recon-all from ln to cp. so, the commands might look 
different.



Cheers,
Mervin



________________________________

From: 
freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>
 
<freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>>
 on behalf of Huang, Yujing 
<yhuan...@mgh.harvard.edu<mailto:yhuan...@mgh.harvard.edu>>
Sent: 25 September 2023 20:49
To: Freesurfer support list 
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] Unable to complete all the steps of recon-all





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Can you send the recon-all.log?



Yujing



From: 
freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>
 
<freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>>
 On Behalf Of Mervin Tee
Sent: Monday, September 25, 2023 2:53 AM
To: freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Unable to complete all the steps of recon-all



        External Email - Use Caution

Hi R,



Thanks for getting back, indeed a copy of those files doesn't help because just 
like what you have mentioned at some point a check failed and I could not 
proceed with the remaining steps of recon-all.



The command I pasted was obtain from the last line of the error log text file 
where it indicates where the step of which the error occurred. But the main 
error is mostly due to symlink on exFAT storage on linux.



Hence, the question here is if there is any solution that allows me to still 
work on external exFAT storage. As symlink doesn't seems to work on exFAT 
storage. As my data are bitlocked on an external storage, which doesn't allow 
me to change the format for the storage drive. So, I was hoping to look for a 
workaround that allows me to continue working on exFAT storage.



Cheers,
Mervin



________________________________

From: 
freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>
 
<freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>>
 on behalf of fsbuild <fsbu...@contbay.com<mailto:fsbu...@contbay.com>>
Sent: 25 September 2023 10:10
To: freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu> 
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
Cc: Mervin Tee <mervin...@nus.edu.sg<mailto:mervin...@nus.edu.sg>>
Subject: Re: [Freesurfer] Unable to complete all the steps of recon-all





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        External Email - Use Caution



I don’t see an error message in  what you posted below.



I would not assume changing soft links to actual copies of the same file (by a 
different name) will work, i.e., anything that makes a soft link may 
subsequently test for a soft link using the link name.  That test will fail if 
the soft link has been replaced by an actual (duplicate) copy of the file.  The 
expectation is when writing output e.g., during recon-all, that SUBJECTS_DIR 
points to a linux compatible file system that supports creating all the Linux 
file system file types (including soft links) and support all Linux file 
privileges.



-R.



On Sep 24, 2023, at 01:58, Mervin Tee 
<mervin...@nus.edu.sg<mailto:mervin...@nus.edu.sg>> wrote:



        External Email - Use Caution



Hi,



I'm trying to complete my recon-all command. I'm currently working on Ubuntu 22 
and processing the images from an exFAT drive.



After digging a bit, I realised that symbolic links cannot be created on exFAT 
drives. I then came across another post that suggest to change all 'ln' to cp 
instead. While that works for the remaining steps. It started exiting with 
errors at this stage.

The stage where it stops
#@# Qdec Cache preproc lh white.K fsaverage Wed Sep 13 15:40:33 +08 2023

The error that was in the error log.
CMD mris_preproc --s ED751_SAG_MPRAGE_p2_NON-SSc.nii --hemi lh --meas white.K 
--target fsaverage --out lh.white.K.fsaverage.mgh

What should I do to resolve this issue?





Cheers,

Mervin





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