That is of interest and addresses the final part of my question (the
unmount error on the Edubuntu client). But it leaves critical ground
uncovered, since my starting point was this:
/In Lubuntu 12.04, I find that a USB flash drive does not auto-mount
upon insertion on an LTSP client.//
//
//In Edubuntu 12.04, the flash drive does not mount if it was inserted
before booting the client, but does mount if it is hot-plugged in after
boot. But even then, unmounting fails with the message://
// Unable to unmount usbdisk-sda1//
// umount: /media/john/usbdisk-sda1 is not in the fstab (and you are
not root)/
So on the Lubuntu client the drive never mounts, and on the Edubuntu
client it only mounts if it is hot-plugged.
-------------------------
But this behavior-by-design leads to another question. I can understand
that in a school, you would want to provide for students simply pulling
out flash drives without explicitly unmounting them, but in an
environment of standalone machines, LTSP servers-as-work-stations, and
LTSP clients, you would have a bit of a hard task to train everyone to
unmount if they are on a standalone or server, but not on a client.
Anyone know if this behavior is configurable? In the case of the the
small LTSP networks that I am currently working on, I would like the
clients to behave like the servers in this regard.
On 10/11/2012 12:44 PM, Richard Doyle wrote:
On 10/11/2012 07:26 AM, John Hupp wrote:
On both Lubuntu and Edubuntu LTSP *servers*, hot-plugging the flash
drive results in it showing up in the file manager with an Eject button
available for it. Clicking the Eject button causes the drive to unmount.
But this is not the case with the LTSP clients. The improper behaviors
only appear on the LTSP clients -- on both Lubuntu and Edubuntu 12.04.
(I don't know about Debian LTSP clients.)
I don't know about "improper" but this behavior is by design. From an
old posting on the edubuntu list:
On Mon, Aug 06, 2007 at 06:34:47PM -0700, Richard Doyle wrote:
Local USB drives mount nicely on Edubuntu 7.04 thin clients. Plug it >
in, it shows up on the desktop, you can read and write files. All
good, but I can't find any way to for a local, ordinary, user to
unmount the device.
You don't need to.
After 2 seconds of inactivity, the usb pen drive's quiesced on the
client, and unmounted in the background. Just pull it out, and it's cool.
Scott
-- Scott L. Balneaves | "Eternity is a very long time, Systems
Department | especially towards the end." Legal Aid Manitoba | -- Woody
Allen
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