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Old 11-18-2008, 02:31 PM   #1
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Mounting NTFS partitions

Hi guys,
I am using Opensuse 11 and this is my fstab file.How should i modify it to have read/write permissions for the ntfs partitions.Also it ll be of great help if anyone can point me the use of umask,fmask and dmask...Thanks in advance..

/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part9 swap swap defaults 0 0
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part10 / ext3 acl,user_xattr 1 1
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part1 /windows/C ntfs-3g users,gid=users,fmask=133,dmask=022,locale=en_US.UTF-8 0 0
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part5 /windows/D ntfs-3g users,gid=users,fmask=133,dmask=022,locale=en_US.UTF-8 0 0
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part6 /windows/E vfat users,gid=users,umask=0002,utf8=true 0 0
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part7 /windows/F ntfs-3g users,gid=users,fmask=133,dmask=022,locale=en_US.UTF-8 0 0
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part8 /windows/G ntfs-3g users,gid=users,fmask=133,dmask=022,locale=en_US.UTF-8 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
debugfs /sys/kernel/debug debugfs noauto 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
Old 11-19-2008, 04:58 AM   #2
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Edit: I'm thinking from when, back in the day, ntfs-3g was read only by default (or something). The guy below me is probably right.
My fstab has the following at the top:
ab@awesomebook:~$ cat /etc/fstab
# /etc/fstab: static file system information.
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
I believe, to enable read-write, you simply add rw to the end of the <options> bit. So, for example:
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part1 /windows/C ntfs-3g users,gid=users,fmask=133,dmask=022,locale=en_US.UTF-8,rw 0 0
I'm not 100% sure about this though, and i don't have any NTFS partitions (I'm on a Mac, with ext3, ext2 and hfsplus) to test it. Give it a try, though.

It's probably important to note that if read/write isn't enabled by default, there's probably a reason, however I've never had trouble in my limited experience with NTFS.

As for the *mask things, I'm not sure, but they look like 3-digit octal numbers, which makes me think of Unix permissions.

Last edited by amphibioustoaster; 11-19-2008 at 06:05 AM.
Old 11-19-2008, 05:53 AM   #3
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Do you want read/write permission for yourself or anyone?

Since you are a member of the group "users", and you used that for the "gid=" option, use "fmask=117,dmask=007" to allow read/write access for the "users" group.

The first thing I did in SuSE however was to add a group of the same name as my username and made that my default group.

The way I would give myself write access is:
/dev/disk/by-id/scsi-SATA_SAMSUNG_SP4002H0524J1FTB12125-part1 /windows/C ntfs-3g user,uid=knightfox,fmask=117,dmask=007,locale=en_US.UTF-8 0 0
The uid option make the user "knightfox" the owner. The fmask allows read/write access to files. The dmask needs to allow the "x" bit on directories to allow you to enter directories.


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