udev and dev.d scripts

udev and dev.d scripts

[BlinkEye]

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hello, 

(i still don't know how to subscribe to this list so please mail back
directly. thanks!).

i wrote a (bash) script which is being executed as soon as i plug in my
external usb harddisk. the problem is that this script is executed AGAIN
when i unplug the harddisk. how may i prevent that from happening?

another question i do have is one i couldn't answer with manuals i've
read: obviously i don't need to actually mount a device to cp files on
it with udev anymore - first i don't see how this is possible and second
i'm not sure how i should umount the usb device - simply unplug it? is
this safe?

thanks for any help, hint, links and suggestions.

regards
blinkeye

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Re: udev and dev.d scripts

[Kay Sievers]

On Thu, 2005-02-24 at 21:57 +0100, BlinkEye wrote:
>hello, 
>
>(i still don't know how to subscribe to this list so please mail back
>directly. thanks!).

https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel

>i wrote a (bash) script which is being executed as soon as i plug in my
>external usb harddisk. the problem is that this script is executed AGAIN
>when i unplug the harddisk. how may i prevent that from happening?

Check for the ACTION in the environment.

>another question i do have is one i couldn't answer with manuals i've
>read: obviously i don't need to actually mount a device to cp files on
>it with udev anymore - first i don't see how this is possible

udev has nothing to do with storage access, it just creates the device
node for you. How would you access the filesystem without mounting it?!

> and second
>i'm not sure how i should umount the usb device - simply unplug it? is
>this safe?

No, it isn't safe. But you may mount the volume with the "sync" option
and it may not happen something bad if you just remove the device.

Kay





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