Ubuntu's automounter: Configuration

[Scott Severance]

On 9/26/06, Gabriel M Dragffy <dragffy at yandex.ru> wrote:
>
> On Tue, 2006-09-26 at 01:34 -0500, Scott Severance wrote:
> > Hi all!
> >
> > I've noticed many questions on the forums about permissions and other
> > problems on removable Windows-formatted disks. Fixing the permissions
> > is simple in fstab; the problem is that removable devices have
> > changing names. If they were ext3 partitions, they could be mounted
> > using a LABEL= device, but that doesn't apply to vfat/ntfs AFAIK. All
> > that means that the ideal solution would bypass fstab for removable
> > media--while still allowing configuration of mount options.
> >
> > 1. What program does Ubuntu use to auto mount?
> >
> > 2. I know that pmount is involved in the process, but I haven't been
> > able to figure out what program calls pmount (gnome-volume-manager?)
> > and how to configure the mount options that program uses. For example,
> > I think that Win filesystems should be mounted with umask=000. How do
> > I set that up?
> >
> > 3. How do I make the automounter use ntfs-3g instead of ntfs?
> >
> > 4. I've messed with udev, but it isn't general enough. I'm looking for
> > a change that will affect EVERY vfat/ntfs removable device.
> >
> > 5. I decided to hunt through the gnome-volume-manager source code to
> > find out where the mount options get set. Beginning on line 1400 of
> > src/manager.c, there are a number of mount options--presumably
> > constants. But I'm not a C programmer, and I can't find where those
> > constants (or variables?) get set. I've searched through every file in
> > the source distribution and I can't find a single occurrence of the
> > string "MOUNT_UMASK" aside from the section I mentioned. MOUNT_UMASK
> > has to be defined somewhere, but where? Anyone able to find that?
> >
> > 6. Is there any documentation on this somewhere? I couldn't find
> > anything useful through Google. I've also asked on the forum--that
> > discussion is here: http://ubuntuforums.org/showthread.php?t=262696
> >
> > --
>
> Hi, I myself, am not sure of the answer, however a while back there was
> another email posted on this list by some kind soul named Raphael. I
> have quoted that email as follows, hope it is useful:
>
> "I am using udev rules to assign fixed names to my USB devices.
> In /etc/udev/rules.d I have the file /etc/udev/rules.d/10-locals.rules
> with
> the following content:
> BUS="scsi", SYSFS{model}="iPod            ", KERNEL="sd*", NAME="%k", \
> SYMLINK="ipod"
> BUS="scsi", SYSFS{model}="Flash Disk      ", KERNEL="sd*", NAME="%k", \
> SYMLINK="usb1gb"
> BUS="scsi", SYSFS{model}="2500JB External ", KERNEL="sd*", NAME="%k", \
> SYMLINK="wd250g"
> BUS="scsi", SYSFS{model}="5000KS External ", KERNEL="sd*", NAME="%k", \
> SYMLINK="wd500g"
> BUS="scsi", SYSFS{model}="USBDrive        ", KERNEL="sd*", NAME="%k", \
> SYMLINK="usb2gb"
>
> ('\' means "real" line continues on next "text" line)
>
> This entries generate symlinks in /dev to the actual used sd entry. For
> example when I attach my 250GB Western Digital external drive, the
> entry /dev/wd250g is created and I can use this to mount the drive.
>
> To get the name your drive is used, look in /var/log/messages after
> attaching
> your drive to see what name your drive is using.
>
> HTH
> Raphael"
>

Gabriel,
Thanks for the reply. I've explored this avenue already, but as far as I
know, it doesn't work to automount any random removable FAT32 or NTFS device
without doing any additional configuration.

Ubuntu automounts any supported removable device with a set of default mount
options. Those options are what I want to change.


-- 
===Scott Severance===

Website: http://www.scottseverance.us
Blog: http://blog.scottseverance.us
Phone: (903) 665-0222

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