IBM HS40 manual rm /dev/cdrom ln -s /dev/sr0 /dev/cdrom

Note: See Chapter 7, “Parts listing, Type 8839,” on page 105 to determine which components should be replaced by a field service technician.

CD-ROM drive problems

Symptom	FRU/action
CD-ROM drive is not	1.	Make sure that:
recognized.
		v All cables and jumpers are installed correctly.
		v The correct device driver is installed for the CD-ROM drive.
	2.	Run CD-ROM drive diagnostics.
	3.	CD-ROM drive.
CD is not working properly.	1.	Clean the CD.
	2.	Run CD-ROM drive diagnostics.
	3.	CD-ROM drive.
CD-ROM drive tray is not	1.	Insert the end of a straightened paper clip into the manual tray-release
working. (The server must be
		opening.
turned on.)
	2.	Run CD-ROM drive diagnostics.
	3.	CD-ROM drive.
CD-ROM drive is seen as	Establish a link between /dev/sr0 and /dev/cdrom as follows:
/dev/sr0 by SuSE. (If the SuSE	1.	Enter the following command:
Linux operating system is		rm /dev/cdrom; ln -s /dev/sr0 /dev/cdrom
installed remotely onto a blade
	2.	Insert the following line in the /etc/fstab file:
server that is not the current
owner of the media tray		/dev/cdrom /media/cdrom auto ro,noauto,user,exec 0 0
(CD-ROM drive, diskette drive,
and USB port), SuSE sees the
CD-ROM drive as /dev/sr0
instead of /dev/cdrom.)
CD-ROM drive is not	Note: Because the BladeCenter unit uses a USB bus to communicate with the
recognized after being	media tray devices, switching ownership of the media tray to another blade server
switched back to blade server	is the same as unplugging a USB device. Before switching ownership of the
running Windows 2000	CD-ROM drive (media tray) to another blade server, safely stop the media tray
Advanced Server with SP3	devices on the blade server that currently owns the media tray, as follows:
applied. (When the CD-ROM	1.	Double-click the Unplug or Eject Hardware icon in the Windows taskbar at the
drive is owned by blade server
		bottom right of the screen.
x, is switched to another blade
	2.	Select USB Floppy and click Stop.
server, then is switched back to
	3.	Select USB Mass Storage Device and click Stop.
blade server x, the operating
system in blade server x no	4.	Click Close.
longer recognizes the CD-ROM	You can now safely switch ownership of the media tray to another blade server.
drive. This happens when you
have not safely stopped the
drives before switching
ownership of the CD-ROM
drive, diskette drive, and USB
port (media tray).)

88BladeCenter HS40 Type 8839: Hardware Maintenance Manual and Troubleshooting Guide