NEC EXPRESS 320Lb-R User Manual

Page 226

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7-26 Troubleshooting

→ Some optional devices connected to the serial port require settings for I/O port

address and operation mode. Refer to the manual that comes with the device to
configure the device.

<Menu to check: [Advanced]

→ [Peripheral Configuration]>

Is SCSI controller configuration correct?

→ If the SCSI devices are connected to the built-in SCSI controller, check the setting

from the BIOS setup utility.

Is SCSI device configuration correct?

→ If external SCSI devices are connected to the server, you need to make settings of

SCSI ID and terminal resistance. For details, see manuals included with the SCSI
device.

Does the SCSI driver recognize the target devices?

→ Execute the following command to check if the SCSI driver recognizes the target

devices.

>cat /proc/scsi/scsi

Is a driver which supports the SCSI device loaded to kernel?

→ Execute the following command to check if a driver which supports the SCSI

device is loaded to kernel.

>lsmod

CPU not in Dual mode:

→ Check if the memory configuration is correct.
→ Check if third-party CPUs or memory (DIMM) are used.

Disk not in Dual mode:

→ Unless you perform mirroring (including reconfiguration after failed disks are

replaced) in correct order, the mirror may not be [re]configured. Check if the steps
were correct.

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