Dear R.,

Thank you for your advice!

As my files are huge, my C drive has no enough space to save them. I was wondering if there is any way to read directly from the hard drive.

Thanks.

Best regards,

Krystal

From: fsbuild
Sent: Monday, January 24, 2022 6:50 PM
To: freesurfer@nmr.mgh.harvard.edu
Cc: krystaly; ts+ml@rcmd.org
Subject: Re: [Freesurfer] Reading files from a hard drive (on Windows in the Fressurfer Ubuntu VM)

You can setup a shared folder in Windows to contain files the VM can see. if your external hard drive shows up in Windows Explorer, then you can copy files from there into the shared folder.

This posting shows an example,

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In this example you,

- create a shared folder on your C drive using Explorer, i.e., C:\shared

- with the VM running, go to the pull down menu for “Devices” in the VirtualBox application and select “shared folder”

- click on shared folders

- click on the folder icon with a + sign

- in the popup menu click on the arrow next to the field for “Folder Path” a navigate to the shared folder on Windows to set the path, i.e., C:\shared

- click OK (don’t fill in anything else) to get out of the popup menu

- click OK to get out of the shared folders menu

… back in the VM in your terminal window do …

$ cd

$ mkdir guest_shared

$ mount -t vboxsf shared ~/guest_shared

…an icon for the mounted folder named guest_shared should appear on the Ubuntu desktop … double click on it and/or use the terminal to go there ...

$ cd guest_shared

Then it should work to copy files into C:\shared on the Windows side and see them in the Ubuntu VM.

- R.

On Jan 24, 2022, at 04:19, Tim Schäfer <ts+ml@rcmd.org> wrote:

External Email - Use Caution

Dear Krystal,

FreeSurfer does not know about hard disks, the operating system is responsible for that. In this case the problem most likely is with the Virtual Machine (VM), which needs to get access to the hard disk.

You should be able to make a folder on your host system (the physical machine) available to the VM system somehow in the VM software. It should not matter which harddisk that folder is on. This is sometimes called 'mounting' the folder. Once you can see the folder inside the VM, FreeSurfer will also be able to see it. Good luck!

Tim

On 01/24/2022 1:50 AM krystaly <krystaly@hku.hk> wrote:

External Email - Use Caution

Hi FreeSurfer experts,

I’m trying to open nifty/ DICOM files, which are stored in a hard drive (SEAGATE - Backup Plus Hub; Model: SRD0PV1). However, the files cannot be found in any of the folders on Freesurfer 7.1.0 of which operates on Visual Machine on Window 10.

May I know whether I should:

1. Import those folders to Freesurfer for viewing at Freeview; or
2. Set anything for opening the files directly from the hard drive?

Please kindly advise. Thanks a lot.

Best regards,
Krystal

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Dr. Tim Schäfer
Postdoc Computational Neuroimaging
Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy
University Hospital Frankfurt, Goethe University Frankfurt am Main, Germany

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