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SCAN VIP Showing Status UNKNOWN - CHECK TIMED OUT On One Node (Doc ID 1341882.1)

Last updated on FEBRUARY 01, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

o multi-node RAC cluster  running 11.2 Grid Infrastructure
o SCAN configured with 3 VIPs
o on one of the nodes, the SCAN VIP shows status  'UNKNOWN'  and 'CHECK TIMED OUT'
o the other 2 SCAN VIPs are started on the other node and show status 'ONLINE'

$ crsctl stat res -t

...
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
...
ora.scan1.vip
      1        ONLINE  UNKNOWN      racnode2                 CHECK TIMED OUT
ora.scan2.vip
      1        ONLINE  ONLINE       racnode1
ora.scan3.vip
      1        ONLINE  ONLINE       racnode1
...

Cause

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In this Document
Symptoms
Cause
Solution
References


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