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LinuxCon Japan 2011

LinuxCon Japan 2011 | Presentations

SCSI Device Naming

Date: Wednesday, June 1st
Time: 4:30pm
Location: Room 501

This presentation will talk about SCSI device naming issue and its solution. A SCSI device may be assigned different device names (e.g. sda) at each boot-up time. Therefore, Linux uses a symlink provided by udev(e.g. by-uuid) to identify the device. However kernel error and system commands messages show device names instead of symlinks. As a result, users are difficult to identify the device from these messages. This presentation will show an idea for solving this issue by using udev. It provides a persistent name for each device according to udev rules and device id. With this solution, users can easily identify the device from the messages.

 

Nao Nishijima, Hitachi

Nao Nishijima is a Software Engineer at Hitachi Ltd. in 2007, he developed a SystemTap based tracer. He is currently interested in hotplug, udev, SCSI, and driver core subsystem.