How can I solve "heartbeat cannot connect to standby mode.
I have a dataguard with this form:
- Name of primary host = TEST IP = 10.4.1.31
- Name of host Standby = used2 IP = 10.4.1.32
---------------------------------------------------------------------------------------------------------------------------------------------
Tnsnames.ora en Primario
tnsnames.ora # Network Configuration file: /u01/app/GRID/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.
STD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP) (HOST = 10.4.1.32)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = std_DGB)
)
)
PRUEBA1 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP) (HOST = 10.4.1.31)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = PRUEBA1_DGB)
)
)
---------------------------------------------------------------------------------------------------------------------------------------
Tnsnames pending:
STD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP) (HOST = 10.4.1.32)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = std_DGB)
)
)
PRUEBA1 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP) (HOST = 10.4.1.31)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = PRUEBA1_DGB)
)
)
------------------------------------------------------------------------------------------------------------------------------------
The earpiece on the primary:
Summary of services...
Service 'PRUEBA1_DGB' has 1 instance (s).
"PRUEBA1" instance, status UNKNOWN, has 1 operation for this service...
Service "std" has 1 instance (s).
Instance "std", State LOAN, has 1 operation for this service...
Service 'std_DGB' has 1 instance (s).
Instance "std", State LOAN, has 1 operation for this service...
The command completed successfully
--------------------------------------------------------------------------------------------------------------------------------------
The listener on hold:
Summary of services...
Service "PRUEBA1" has 1 instance (s).
"PRUEBA1" instance, State LOAN, has 1 operation for this service...
Service 'PRUEBA1_DGB' has 1 instance (s).
"PRUEBA1" instance, State LOAN, has 1 operation for this service...
Service 'std_DGB' has 1 instance (s).
Instance 'std', status UNKNOWN, has 1 operation for this service...
The command completed successfully
------------------------------------------------------------------------------------------------------------------------------------
I am able to connect via sqlplus on primary eve and Eve elementary school
-----------------------------------------------------------------------------------------------------------------------------------
I am able to do tnspings between servers
------------------------------------------------------------------------------------------------------------------------------------
DataGuard configuration:
DGMGRL > see Configuring
Configuration - TESTJ10
Protection mode: MaxPerformance
Databases:
prueba1 - primary database
STD - Physical standby database
Fast-Start Failover: DISABLED
The configuration status:
SUCCESS
-------------------------------------------------------------------------------------------------------------------------------------
DataGuard show this error:
DGMGRL > crossing the prueba1
Continue to pass, please wait...
New primary database "prueba1" opens...
The operation requires the start the instance "std" on database "std".
Start the instance 'std '...
Unable to connect to the database
ORA-12545: Connect failed because target host or object does not exist
Failed.
WARNING: You are more connected to ORACLE.
Complete the following steps to complete the digital switchover:
marketing and get the instance "std" of database "std".
-------------------------------------------------------------------------------------------------------------------------------------
Monitoring the log says:
Logging of 1034 errors received on the eve
Heartbeat PING [ARC2]: Unable to connect to the eve "std". The error is 1034.
---------------------------------------------------------------------------------------------------------------------------------------
How I can solve this error, I tried everything but the error persists.
I'd appreciate your help!
Hello;
Generally, it is a question of the name of the host, but given your configuration I would check the firewall first.
Best regards
mseberg
Tags: Database
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