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ORA-12545 Connect failed because target host or object does not exist

844366Jul 9 2011 — edited Jul 12 2011
hi,
we have RAC database oracle 10gR2 on wndows OS.

the client has installed a client software and an application software is accessing the database with tnsname.


the problem is that whn we click for the first time it gives ora-12545 , but clicking second times it connects...some times u we need to click thrice or 4th time on application exe and so on...

Actually i am new in RAC world and not able to figure out what is happening.


the listener.ora file on both node is as follows.

on node 192.0.0.9 LISTENER.ORA is
SID_LIST_LISTENER_PCSDB2 =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
      (PROGRAM = extproc)
    )
  )

LISTENER_PCSDB2 =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = pcsdbvip2)(PORT = 1521)(IP = FIRST))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.0.0.9)(PORT = 1521)(IP = FIRST))
    )
  )
and node 192.0.0.8 LISTENER.ORA
SID_LIST_LISTENER_PCSDB1 =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
      (PROGRAM = extproc)
    )
  )

LISTENER_PCSDB1 =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = pcsdbvip1)(PORT = 1521)(IP = FIRST))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.0.0.8)(PORT = 1521)(IP = FIRST))
    )
  )
on node 192.0.0.8 hosts file is
#PUBLIC IP
192.0.0.8	   pcsdb1	    
192.0.0.9	   pcsdb2	    

        

#PRIVATE IP
10.0.0.1	    pcsdbp1	  
10.0.0.2	    pcsdbp2	  
 

#VIRTUAL IP
192.0.0.10	   pcsdbvip1	 pcsdbvip1.smf.com
192.0.0.11	   pcsdbvip2	 pcsdbvip2.smf.com
#PUBLIC IP
192.0.0.8	   pcsdb1	    
192.0.0.9	   pcsdb2	    

        

#PRIVATE IP
10.0.0.1	    pcsdbp1	   
10.0.0.2	    pcsdbp2	   
 

#VIRTUAL IP
192.0.0.10	   pcsdbvip1	 
192.0.0.11	   pcsdbvip2	 
so where i am committing mistake..

many thanks
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Locked on Aug 9 2011
Added on Jul 9 2011
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