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How to Troubleshoot Connectivity Issue with 11gR2 SCAN Name (Doc ID 975457.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Oracle Net Services - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Goal

The goal of this document is to provide checklist when connection through 11gR2 Grid Infrastructure (CRS) SCAN name to database fails.

Solution

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In this Document
Goal
Solution
 Troubleshooting Steps
 Example Output
 Configuration
   SCAN name and VIP:
   Node Public Name/IP Address
   Nodes VIP Name/IP Address
   Database Name: b2no
   Service Name: sno
   TNS Connection String
 1. Checklist on RAC Cluster Nodes
     A. SCAN Listener Resource Status
       A1. SCAN Configuration:
       A2. SCAN Listener Configuration:
       A3. SCAN Listener Resource Status:
     B. SCAN Listener Status and Service
       B1. SCAN Listener Status:
       B2. SCAN Listener Service:
     C. Node Listener Status and Service
       C1. Node Listener Status:
       C2. Node Listener Service:
     D. Database Service Status
       D1. Service Resource Configuration
       D2. Service Resource Status:
     E. Instance Listener Parameter Setting:
       E1. remote_listener setting:
       E2. local_listener setting:
 2. Checklist on Client
     A. SCAN Name Resolution
     B. Node VIP name:
References


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