Problems When Starting Os - NEC Express5800 Series Maintenance Manual

Chapter 1 Maintenance
8.3

Problems When Starting OS

[?] Unable to start OS:
Are Hard Disk Drives properly installed?

 Install Hard Disk Drives properly.
Is SAS cable connected correctly?

 Connect the SAS cable properly.
If the Hard Disk Drive is not recognized as connected although the above action has been taken,
the Hard Disk Drive may be faulty. Contact your sales representative.
Is the EXPRESSBUILDER DVD inserted?

 Eject the EXPRESSBUILDER DVD and reboot.
Is a Flash FDD connected to the server?

 Take out the Flash FDD and restart the server.
[?] The server repeats rebooting at startup:
Is the value of OS Boot Monitoring Timeout in the BIOS setting appropriate?

 Change the value of OS Boot Monitoring Timeout to suit your environment. See Chapter 3 (1.
System BIOS) for details.
Is the system changed to maintenance mode during bootup?

 The following message appears on screen.
Give root password for maintenance (or type Control-D to continue):
Did daemons or the driver start properly at startup or occurrence of trouble?

[?] Wake On LAN feature does not work:
Is the AC power supplied to both CPU/IO modules?

 If the AC power supplied to only one of the CPU/IO module, Wake On LAN may become
unavailable. Supply the AC power to both of CPU/IO modules.
Is Hub/Client fixed as 1000M?

 Check the following configurations:
– Set the Hub as "Auto-Negotioation".
– Set the Client as "Auto-negotiate best speed".
Do you send Magic Packet to only one of the duplexed LAN?

 If you use Wake On LAN under duplexed LAN, you need to send Magic Packets to all of the
duplexed LAN pair(s).
Did you send Magic Packet to 10G LAN port?

 Wake On LAN feature is not supported for 10G LAN port .
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Important For both Hub/Client, you cannot use Wake On LAN feature from standby state with
the 1000M fixed configuration.
Express5800/R320e-E4, R320e-M4 Maintenance Guide (Linux)
8. Troubleshooting