Determining The Failure Of The Network Side In The Nas System - Acer HDS AMS200 Reference Manual

8.5

Determining the Failure of the Network Side in the NAS System

When a failure occurs in the LAN environment between the host computer and the NAS
Modular subsystem, or the NAS Modular subsystem, determine whether there is a failure in
the NAS Modular subsystem according to the following flow.
Is the READY LED of the NAS Unit lit?
Is there any response of the ping
from the host computer to the
optional PC or the router, etc.
connected through the LAN?
Is the LAN between the host
computer and the NAS Unit firmly
connected from the following view
points?
• Connection of LAN cables
• Power supply status of the
network peripheral devices
including Switches, etc.
254 Chapter 8 Troubleshooting
START
No
Yes
No
No
Yes
No
No
No
Yes
Go to the next page.
Start the NAS OS.
Was the failure recovered?
Yes
END
Check the following for the host
computer, and if there is any problem,
take action for it.
• Are the IP addresses, subnet masks
and MTU values appropriate for the
LAN environment?
(The MTU value needs to be the
same value in all PCs, Switches and
NAS Units in the LAN environment.)
• Is the LAN port linked up?
Was the failure recovered?
Yes
END
Take action for the connection with the
problem.
Was the failure recovered?
Yes
END