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javeree
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Joined: 29 Jan 2006
Posts: 453
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 Posted: Tue Mar 02, 2010 10:49 pm Post subject: accessing ntfs-3g drive with ownership and perms [SOLVED] |
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According to the ntfs-3g project pages, ntfs-3g since 2009.11.14 has support for ownership and permissions.
I emerge ntfs-3g with following use flags:
sys-fs/ntfs3g-2009.11.14 USE="external-fuse hal -acl -debug -suid"
I have created a .NTFS-3G/UserMapping file with contents
| Quote: | :users:S-1-5-21-943818495-2179029594-2586233797-513
jan:jan:S-1-5-21-943818495-2179029594-2586233797-1001
ann:ann:S-1-5-21-943818495-2179029594-2586233797-1005
anke:anke:S-1-5-21-943818495-2179029594-2586233797-1003
jens:jens:S-1-5-21-943818495-2179029594-2586233797-1004 |
after this, I unmounted and remounted the drive the drive
mount -t ntfs-3g -o noatime /dev/sdb5 /mnt/data
but in spite of this, I only see all users owned by root with permissions 777.
Also chowning a file does not work. Is there something I may have forgotten
Last edited by javeree on Mon Mar 08, 2010 10:55 am; edited 1 time in total |
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NathanZachary
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| Posted: Wed Mar 03, 2010 1:32 am Post subject: |
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Moved from Installing Gentoo to Other Things Gentoo.
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irgu
Tux's lil' helper
Joined: 25 Apr 2003
Posts: 131
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| Posted: Wed Mar 03, 2010 5:02 pm Post subject: |
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| Check /var/log/messages |
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javeree
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Joined: 29 Jan 2006
Posts: 453
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| Posted: Wed Mar 03, 2010 9:07 pm Post subject: |
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mount -t ntfs-3g -o debug /dev/sdb5 /mnt//data/
| Quote: |
FUSE library version: 2.8.1
nullpath_ok: 0
Version 2009.11.14 external FUSE 28
Mounted /dev/sdb5 (Read-Write, label "", NTFS 3.1)
Cmdline options: rw,debug
Mount options: rw,silent,allow_other,nonempty,relatime,fsname=/dev/sdb5,blkdev,blksize=4096
Ownership and permissions disabled
unique: 1, opcode: INIT (26), nodeid: 0, insize: 56
INIT: 7.13
flags=0x0000007b
max_readahead=0x00020000
INIT: 7.12
flags=0x00000051
max_readahead=0x00020000
max_write=0x00020000
unique: 1, success, outsize: 40
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cat /var/log/everything/current
| Quote: | | Mar 3 22:01:56 [ntfs-3g] Bad mapping item ""_ |
from the debug output, I don't see anyindication that it even tries to read .NTFS-3G/UserMapping, but the line that appears in /var/log/messages/current makes me think it somehow sees something invalid in the UserMapping file. I just don't see what |
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javeree
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Joined: 29 Jan 2006
Posts: 453
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| Posted: Wed Mar 03, 2010 9:24 pm Post subject: |
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I rebuilt the UserMapping data again, with the exact same output, t this time I kept the line
Undecided :
this time, I got
| Quote: | FUSE library version: 2.8.1
nullpath_ok: 0
Version 2009.11.14 external FUSE 28
Mounted /dev/sdb5 (Read-Write, label "", NTFS 3.1)
Cmdline options: rw,debug
Mount options: rw,silent,allow_other,nonempty,relatime,fsname=/dev/sdb5,blkdev,blksize=4096,default_permissions
User mapping built
unique: 1, opcode: INIT (26), nodeid: 0, insize: 56
INIT: 7.13
flags=0x0000007b
max_readahead=0x00020000
INIT: 7.12
flags=0x00000051
max_readahead=0x00020000
max_write=0x00020000
unique: 1, success, outsize: 40
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cat /var/log/everything/current
| Quote: | Mar 3 22:12:59 [ntfs-3g] Bad mapping item "Undecided :"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "anke"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "ann"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "jan"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "jens"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "anke"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "ann"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "jan"_
Mar 3 22:12:59 [ntfs-3g] Invalid group "jens"_
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and cat /mnt/data showed files belonging to e.g. jan:users
If I am carefull, I can probably continue a bit experimenting with the groups until I find fully sensible defaults, that closely match the 'intent' of some of the GUID on the windows side. |
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javeree
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Joined: 29 Jan 2006
Posts: 453
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| Posted: Mon Mar 08, 2010 10:54 am Post subject: |
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I found the cause of the error I had.
Apparently, .NTFS-3G/UserMapping does not allow any whitespace lines. So only comment lines and mapping lines are allowed |
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