NEC Express 5800/320Lb-R User Manual page 230

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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?
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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?
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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?
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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?
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Execute the following command to check if a driver which supports the SCSI
device is loaded to kernel.
>lsmod
CPU not in Dual mode:
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Check if the memory configuration is correct.
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Check if third-party CPUs or memory (DIMM) are used.
Disk not in Dual mode:
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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.