Automount and autounmount of usb sticks / discs 
Wednesday, September 30, 2009, 16:45 - System
Posted by Administrator
Each partition of plugged in usb stick's should be accessible with automount.

My mountpoints will be /media/usb/part0, /media/usb/part1, ...

Example:

The fist plugged stick has two partitions. The second only one.

/media/usb/part0 ... first stick partition one
/media/usb/part1 ... first stick partition two
/media/usb/part2 ... second stick partition one

If the second stick is plugged in first:

/media/usb/part0 ... first stick partition one
/media/usb/part1 ... second stick partition one
/media/usb/part2 ... second stick partition two

/etc/udev/rules.d/90-local.rules
ACTION=="add", BUS=="usb", SUBSYSTEM=="block", KERNEL=="sd?[0-9]*", \
NAME="%k", PROGRAM="get_usbdisc_symlink", SYMLINK+="%c", OPTIONS+="nowatch"
OPTIONS+="nowatch" avoids removal by udev of the symlink after unmounting

/lib/udev/get_usbdisc_symlink
#!/bin/sh -e

. /lib/udev/rule_generator.functions

[ -h /dev/usbpart0 ] && \
echo usbpart$(raw_find_next_available $(ls /dev/usbpart[0-9]*)) || \
echo "usbpart0"

exit 0
#> apt-get install autofs5

/etc/auto.master
#+auto.master
/media/usb /etc/auto.usb --timeout=5 --ghost

My usb sticks will be unmounted after 5 seconds not being in use.
With "--ghost" /media/usb/partX will automatically created.

/etc/auto.usb
part0 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart0
part1 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart1
part2 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart2
part3 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart3
part4 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart4
part5 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart5
part6 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart6
part7 -fstype=auto,noexec,nodev,nodiratime,noatime,nosuid :/dev/usbpart7
To have readwrite access for users add ",uid=$UID,gid=$GID"

For more partitions extend the lines.



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