Troubleshooting 7-25
Is the
οWhen the server has any external devices connected, power on the external devices first, then the server.
Did you install drivers for connected optional devices?
οSome optional devices require specific device drivers. Refer to the manual that comes with the device to install its driver.
Is SCSI controller (including options) configuration correct?
οIf the sever has an optional SCSI controller board and SCSI devices are hooked up to the server, make correct settings by the SCSI controller board’s SCSI BIOS utility. For details, see manuals included with the SCSI controller board.
Is SCSI device configuration correct?
οIf 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?
οExecute 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?
οExecute the following command to check if a driver which supports the SCSI device is loaded to kernel.
>lsmod
CPUs not in Duplex mode:
οCheck if the memory configuration is correct.
οCheck if
BIOSes not in Duplex mode due to differences between both modules:
οCheck if the setting of [Automatic firmware update] is disabled on the [System Setting] screen on the main window of [Server Maintenance Utility].
οIf the setting of [Automatic firmware update] is enabled and modules are remounted, BIOSes are automatically updated and duplicated. At this time, it is recommended to reduce the load of the system as much as possible.
Disks not in Duplex mode:
οUnless 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.
