udev RUN+=: device but no partitions

[Dick Repasky <rrepasky@indiana.edu>]

If I use udev to run a script when a usb disk device appears, the device file
for the whole device is available in the script but device files for partitions
on the device are not.

Example: usb thumbdrive that appears as sdb and has one partition sdb1.

Udev entry

KERNEL="sdb", RUN+="/usr/local/sbin/check-sdb"

In check-sdb, if I run either "ls /dev/sdb*" or find /dev -name "sdb*", only
/dev/sdb appears but not /dev/sdb1.  Is that behavior correct?  When the same
script is run from the command-line, the partition device file appears.

My system is Ubuntu 8.04 (hardy) running udev-117-8.

Thanks,

Dick Repasky


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