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• See Chapter 3 "Parts listing" on page 29 to determine which components are consumable, structural, or CRU
parts.
• If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
Symptom
All removable-media drive
problems.
The CD or DVD drive is
detected as /dev/sr0 by SUSE
Linux. (If the SUSE Linux
operating system is installed
remotely on a blade server that
is not the current owner of the
media tray [CD or DVD drive,
diskette drive, and USB port],
SUSE Linux detects the CD or
DVD drive as /dev/sr0 instead
of /dev/cdrom.)
ServerGuide problems
Use this information to locate ServerGuide problems and suggested actions.
The following table lists problem symptoms and suggested solutions.
Action
1. The media-tray select button LED on the front of the blade server is lit,
indicating that the blade server is connected to the shared removable-media
drives.
2. Check the function of the shared BladeCenter unit resources. See "Solving
shared BladeCenter resource problems" on page 258.
3. Run the Setup utility and make sure that the drive is enabled. See "Setup utility
menu" on page 12.
4. For SAS storage drive problems, make sure that the correct device driver is
installed. For the latest device drivers, go to http://www.ibm.com/supportportal/
.
5. Reseat the battery - See "Removing the battery" on page 41 and "Installing the
battery" on page 42.
6. Replace the battery - See "Removing the battery" on page 41 and "Installing the
battery" on page 42.
7. (Trained technician only) Replace the system-board assembly - See "Removing
the system-board assembly" on page 71 and "Installing the system-board
assembly" on page 71.
Establish a link between /dev/sr0 and /dev/cdrom as follows:
1. Enter the following command:
rm /dev/cdrom; ln -s /dev/sr0 /dev/cdrom
2. Insert the following line in the /etc/fstab file:
/dev/cdrom /media/cdrom auto ro,noauto,user,exec 0 0
.
201
Chapter 5
Diagnostics
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