SCAN VIP Showing Status UNKNOWN - CHECK TIMED OUT On One Node

(Doc ID 1341882.1)

Last updated on DECEMBER 22, 2011

Applies to:

Oracle Server - Enterprise Edition - Version: 11.2.0.1 and later   [Release: 11.2 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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