Dear list !
I've got an OPS database named OPS with 2 instances OPS1 and OPS2 .
I want the clients to connect to the instance OPS1 and , if OPS1 becomes
unavailable , to connect to OPS2 .
The Oracle version is 8.0.5
I put the following lines in clients' tnsnames.ora file :
OPS.world = (DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = tcp) (HOST = DB1) (PORT = 1526))
(CONNECT_DATA = (SID = OPS1))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = tcp) (HOST = DB2) (PORT = 1526))
(CONNECT_DATA = (SID = OPS2))
)
)
The problem is that when both the instances are up and running , it looks
like clients connect to one of the instances randomly .
How can i ensure that they will try to connect to OPS1 first , and only if
it is unavailable , they'll connect to OPS2.
Thanks a lot in advance .
DBAndrey
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Author: Andrey Bronfin
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