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N8300V1R2 DMP path of cluster NAS engine node accessing storage unit faulty problem

Publication Date:  2014-09-19 Views:  93 Downloads:  0
Issue Description
Version:
N8300 V100R002C00SPC004B018

Symptom:
    There is an alarm about N8300. “The DMP path of cluster NAS engine node accessing storage unit is faulty”
Alarm Information
The DMP path of cluster NAS engine node accessing storage unit is faulty
Handling Process
Debug method:
Step1:login with "support" account (password:symantec) by console IP of N8300

Step2:Run command "vxdmpadm getsubpaths"

Check state list, if there is some list is disabled. That means the business link is down
Root Cause
Root cause:
    One business link between N8300 engine and SAN(S5500T) is down.
Suggestions
Solution:
Login ISM and find the link which is already down and link it up.

END