January 2006
Intermediate to advanced
226 pages
6h 11m
English
book
Linux for IBM System z9 and IBM zSeries
by Gregory Geiselhart, Robert Brenneman, Eli Dow, Klaus Egeler, Torsten Gutenberger, Bruce Hayden, Livio Sousa
Content preview from Linux for IBM System z9 and IBM zSeries
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Chapter 2. Linux 2.6 kernel 33
2.3.7 Hotplug detection and device node naming
When devices are attached to the system, events are generated by
/sbin/hotplug. These events are intercepted by udev (running in user space).
From the hotplug event, udev obtains device information form sysfs, and
dynamically adds the appropriate device node to the /dev/directory.
In order to ensure consistent and deterministic device node naming, udev using
device naming conventions specified in a rules file. Rules in this file specify what
device node name is assigned by udev (based on attributes of the device
obtained from sysfs). Each distribution for Linux on zSe ...
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