Need Help. NTFS-3g!

Message

junkstr · Post by **junkstr** » Fri Sep 05, 2008 8:04 pm

Hello, I am using the NTFS-3g driver as I have a ntfs partition that needs mounting with write support. Every time I mount the partition every files permissions gets set to root:root. I have tried to chown -hR username:username /files at least 20 times. I have umounted the partition and used the kernel driver, and permissions can be changed. When I remount with the NTFS-3g driver the permissions set back as root:root, and will not change for the life of it.

Heres the fstab settings I used, and have tried.

/dev/sda1 /boot ext2 defaults,noatime 1 2
/dev/sda2 / reiserfs noatime 0 1
/dev/sda5 /mnt/Storage ntfs-3g 0 0
/dev/sda4 none swap sw 0 0
-----------------------------------------------------------------------------------

/dev/sda5 /mnt/Storage ntfs-3g users 0 0
-----------------------------------------------------------------------------------

/dev/sda5 /mnt/Storage ntfs-3g quiet,defaults,locale=en_US.utf8,umask=0
-----------------------------------------------------------------------------------

Here is emerge -pv ntfs3g ->

Calculating dependencies... done!
[ebuild R ] sys-fs/ntfs3g-1.2531 USE="suid -debug" 0 kB

Total: 1 package (1 reinstall), Size of downloads: 0 kB
---------------------------------------------------------------------------------

Cloud ~ # uname -a
Linux Cloud 2.6.25-gentoo-r7 #1 SMP Thu Sep 4 07:50:17 CDT 2008 x86_64 Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz GenuineIntel
GNU/Linux

Need help! Thank you.

Post by **NeddySeagoon** » Fri Sep 05, 2008 8:16 pm

junkstr,

ntfs and *nix permissions are not compatible.
You need to set some combination of umask=, gid= and uid= in the options for your ntfs volume in /etc/fstab

man mount explains it in the section on the FAT filesystem.
Note, to see inside directories, they need the x bit set as it apples to you.

Code: Select all

/dev/sda5 /mnt/Storage ntfs-3g umask=0 0 0

makes everything rwxrwxrwx, or wide open.
You may not want that.

irgu · Post by **irgu** » Sat Sep 06, 2008 10:24 am

NeddySeagoon wrote:ntfs and *nix permissions are not compatible.

They are when using the file ownership, permissions, ACL enhanced NTFS-3G: http://pagesperso-orange.fr/b.andre/security.html

But I agree that typically the fmask, dmask, uid, gid options are indeed enough.

nixnut · Post by **nixnut** » Sat Sep 06, 2008 11:33 am

Moved from Gentoo Chat to Other Things Gentoo.
Not a chat subject, so moved here

junkstr · Post by **junkstr** » Sat Sep 06, 2008 4:50 pm

I set the UID,GID, but nothing seemed to work. I formated the NTFS partition to ext3, and just using the ext3 partition through the ext ifs driver in windows. I tried every option people through at me in IRC, and this forum but the permission would not change.

lyallp · Post by **lyallp** » Sat Sep 13, 2008 11:19 am

I setup my ntfs3g /etc/fstab entries like the following :-

Code: Select all

/dev/sdb1               /mnt/win_3              ntfs-3g defaults,gid=ntfs,umask=0,umask=007,nls=utf8,silent     0 0

This requires that you create a group called 'ntfs' and make yourself a member of that group.

Code: Select all

groupadd ntfs

Code: Select all

usermod -G ntfs yourUser

That way, when the filesystem is mounted, if you are in the 'ntfs' group, you can write to it, otherwise not.
This was my compromise between having the NTFS filesystems wide open and being usable, under linux without requiring me to be logged in as root.