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N8000 wrong setting of DNS causes mount timeout

Publication Date:  2012-10-16 Views:  23 Downloads:  0
Issue Description
In N8000 system, the NFS share is enable, when using showmount command to show the NFS share, the result appears occasionally, but most of the time, it turns out to RPC timeout
Alarm Information
the alarm screenshot is shown below


Handling Process
 Disable DNS service in N8000
Root Cause
1) when N8000 system receives the showmount or mount command, it will query the client name via DNS server at first, and then response to the client.
2) In this case, the DNS is not working smoothly, which causes the showmount does not run properly
Suggestions
 If the DNS service is not necessary, do not setting the DNS

END