Exporting a ntfs-3g mounted drive over NFS?

Scott Ballantyne sdb at ssr.com
Wed Feb 13 00:45:43 UTC 2013


Thanks to Dan Nelson I was able to mount my 4 TB drive using
ntfs-3g. Now I need to export it over NFS, and it doesn't work.

I'm using a bootable ZFS system, if that makes any difference. I don't
see why it should.

Basically, I can export a directory as long as a ntfs-3g filesystem is
not moutned on it. And this is also true for the kernel ntfs
system. The second a ntfs or ntfs-3g filesystem is mounted on it,
there are problems.

Here are more details:

create a directory: /var/video, set globally readable and searchable

I create a simple entry in /etc/exports:


I copy some files in there and HUP mountd. 
I check to see that I can access the files on the clients. No

I go back, delete the files (just to be safe), and then I  mount the
ntfs-3g drive on /var/VIDEO with 

ntfs-3g -o ro /dev/da0s1 /var/VIDEO

I check to see that I can see the ntfs filesystem in /var/VIDEO with
ls (I can), and all the permissions are ok (every file is rwxrwxrwx). 

Then I HUP mountd. Mountd now tells me that my formerly good line in
exports is bad. I can't access the files on the clients.

I umount /var/VIDEO. I HUP mountd. All is well once again, on the
server and the clients, except I can't access the files on the ntfs
drive which I need to do.

Anyone have any ideas what is going on here, and even better, how I
might get it to work?

sdb at ssr.com

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