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Knowledge Base

NAS Fault Occured in N8300 when electrical interruption ocurred

Publication Date:  2013-05-22  |   Views:  202  |   Downloads:  1  |   Author:  Veronica80015082  |   Document ID:  EKB1000028405

Contents

Issue Description

When turning up the device, they didn’t have access to the CIFS folders by network and couldn’t reach the console by ISM and ping.
          IP Consola de Administración: 10.40.20.64
          Usuario: master
          Password: master



Alarm Information

In these images we can see that there are problems reaching the desired host, as well as some virtual addresses

          Virtual IP address Range: 10.40.20.48………………10.40.20.64
          Gateway: 10.40.20.254









Handling Process

• The console was migrated to the master node by "CCCN8000_01:~ # hagrp -switch ManagementConsole -to CCCN8000_01"
• The connections to the CIFs folders and ISM were reestablished.
• The end customer tested the connections and access to his folders.
• The access to the master/master was successful by serial.
• Validated the status of the device, all it’s OK.

CCCN8000_01:~ # hagrp -state | grep -i na
ManagementConsole          State                 CCCN8000_01 |OFFLINE|
ManagementConsole          State                 CCCN8000_02 |ONLINE|
CCCN8000_01:~ # vxclustadm nidmap
Name                             CVM Nid    CM Nid     State
CCCN8000_01                      1          0          Joined: Master
CCCN8000_02                      0          1          Joined: Slave


CCCN8000_01:~ # hagrp -switch ManagementConsole -to CCCN8000_01
CCCN8000_01:~ # hagrp -state | grep -i na
ManagementConsole          State                 CCCN8000_01 |ONLINE|
ManagementConsole          State                 CCCN8000_02 |OFFLINE|

CCCN8000_01:~ # vxclustadm nidmap
Name                             CVM Nid    CM Nid     State
CCCN8000_01                      1          0          Joined: Master
CCCN8000_02                      0          1          Joined: Slave



Attached is a document with all commands executed to verify and correct the problem  

Root Cause

• The customer had electrical interruption so the cluster was shut down because his UPS didn’t work.
• When turning up the device, they didn’t have access to the CIFS folders by network and couldn’t reach the console by ISM and ping.
• Tried to connected by CLI on the master node but in the output only shows alphanumeric characters.
• Connected by serial on the master node but they couldn’t access to the master/master account.
• Could access support/Symantec account and ran the commands
• Did a troubleshooting and found that the console was migrated to the slave node.

Suggestions

None