Table 6. Troubleshooting charts

(continued)

 

 

 

Device

 

Suggested action

 

 

 

“Media not found” error

 

Attempting to access the mounted CD-ROM drive (media tray) after it has been

message and other file

 

switched to another blade server results in I/O errors, even if the media tray has been

system error occur on a blade

 

switched back.

server running Linux or DOS.

 

Note: Because the BladeCenter T unit uses a USB bus to communicate with the

 

 

media tray devices, switching ownership of the media tray to another blade server is

 

 

the same as unplugging a USB device.

 

 

v If a blade server tries to access the CD-ROM after it has been switched to another

 

 

blade server, a “Media not found” error occurs.

 

 

v If a blade server is running a DOS environment, such as when updating firmware

 

 

on the blade server, the firmware can be interrupted or corrupted when the media

 

 

tray is switched away; you might need to call for service on the blade server.

 

 

v If a file handle was left open by switching the media tray away, the system

 

 

administrator will not be able to do a clean unmount (umount command) unless the

 

 

unmount is forced by umount command parameters (“lazy umount”).

 

 

v If the system administrator is sharing out the CD-ROM drive for multiple users, that

 

 

network share is broken.

 

 

Before switching ownership of the media tray to another blade server, ensure that the

 

 

CD-ROM drive is not mounted for the current blade server owner (check for open file

 

 

handles and sharing out). If a firmware update is taking place on the blade server, do

 

 

not switch the media tray to another blade server.

 

 

 

Linux does not install from

 

v If you try to install Red Hat Linux to the blade server IDE drive, Linux does not

the BladeCenter T CD-ROM

 

install.

drive or will not start

 

 

v If you try to install Red Hat Linux to the SCSI drive on a blade server expansion

afterward.

 

 

unit, Linux appears to install but the operating system will not start properly.

 

 

 

 

v If you try to install SuSE Linux, Linux does not install.

 

 

Download the latest operating system installation instructions for your operating

 

 

system from the IBM Support Web page at http://www.ibm.com/pc/support/. The

 

 

necessary workaround is described in the instructions for your operating system.

 

 

 

Chapter 6. Symptom-to-FRU index 91

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IBM Type 8720, Type 8730 manual Device Suggested action

Type 8730, Type 8720 specifications

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