TAF with RAC

Hello everyone,
We have configured a two node RAC on Windows servers (Oracle 11G).
Our goal is to test TAF.
We have these entries in the TNSNAMES.ORA file:
GRAC1.WORLD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(Host = GRAC1)(Port = 1521))
(CONNECT_DATA =
(SERVICE_NAME = GIRO.GIRO)
(FAILOVER_MODE =
(BACKUP = GRAC2.world)
(TYPE = select)
(METHOD = BASIC)
GRAC2.WORLD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(Host = GRAC2)(Port = 1521))
(CONNECT_DATA =
(SERVICE_NAME = GIRO.GIRO)
(FAILOVER_MODE =
(BACKUP = GRAC1.world)
(TYPE = select)
(METHOD = BASIC)
Our test application connect to the RAC using net service name GRAC1.
We noticed that, when we stop the GRAC1 instance, the test program is waiting (looping into the OCI Failover handler routine or callback routine), until we restart the GRAC1 node.
My questions are:
Is it normal that, when the GRAC1 node is "down", our application does not failover to the second node (our backup node) called GRAC2?
Is it something badly configured in our TNSNAMES.ora file?
Best regards.
Carl

We have modified our TNSNAMES.ORA file in order to have this entry:
GRAC1.WORLD =
(DESCRIPTION =
(SOURCE_ROUTE=YES)
(LOAD_BALANCE=on)
(FAILOVER=on)
(ADDRESS =
(PROTOCOL = TCP)
(Host = GRAC1-VIP)
(Port = 1521))
(ADDRESS =
(PROTOCOL = TCP)
(Host = GRAC2-VIP)
(Port = 1521))
(CONNECT_DATA =
(SERVICE_NAME = GIRO.GIRO)
(FAILOVER_MODE =
(TYPE = select)
(METHOD = BASIC))))
...And the remote_listener parameter seems correctly configured on both node.
But our test program still does not failover on the other node when I shutdown the "current" node.
Regards.
Carl
Edited by: plhtyuk on Aug 13, 2009 11:39 AM

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Hi,
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Hussein Sawwan wrote:
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Solution: (search in support.oracle.com). It worked!
This solution action plan applies to the shell csh, but very similar steps can be taken for other types of shells:
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/usr/bin/csh
identify the $ORACLE_HOME directory
echo $ORACLE_HOME
set the following environment variable according to the $ORACLE_HOME directory, as described in the product installation documentation:
setenv PATH .......
setenv LD_LIBRARY_PATH ......
make sure that
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the $ORACLE_HOME/bin is included in $PATH

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So far, I'm not impressed by Oracle technicians' ability to explain features specific to a RAC system on 10g. When we open TARs, we find ourselves constantly getting juggled back and forth among different people because one will say, "Oh, that's easy" (until you mention you're dealing with RAC), and then the RAC people often won't know anything about the feature.
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http://download-west.oracle.com/docs/cd/B12037_01/nav/portal_3.htm
However, RAC is not mentioned in that doc anywhere. In fact, there doesn't seem to be any documentation on setting up Enterprise Manager with RAC (perhaps because nobody there knows how to do it). So, right now we have EM running on a box near our database servers, and it accesses them over the private network there, and we access that Enterprise Manager box over the web.
Some things are working, others are not...one thing that isn't is iSQLPlus--anyone know how to get that running with the RAC system? (I mean, we already started the listener on the db servers and all that, but the error message on the EM webpage says for Grid Control, manual configuration is necessary).

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