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11-28-2002 10:38 PM
11-28-2002 10:38 PM
Seamless connection
Hi Masters,
We are having two ES-40 servers (tru-64 5.1a ) in cluster
running oracle 8.1.7.4 database (single instance on HOST A).
User are accessing the database from PC connected in network.
How can users have a seamless connection to database in case of HOST A
Crash and database will get transfered on HOST B.
Thanks in adv
We are having two ES-40 servers (tru-64 5.1a ) in cluster
running oracle 8.1.7.4 database (single instance on HOST A).
User are accessing the database from PC connected in network.
How can users have a seamless connection to database in case of HOST A
Crash and database will get transfered on HOST B.
Thanks in adv
Take It Easy, Be Happy !
1 REPLY 1
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12-02-2002 03:58 PM
12-02-2002 03:58 PM
Re: Seamless connection
You are looking for the "FAILOVER" command as part of the tns connection. Your tns entry should look something like the following:
-------------
CLUSTER =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = TCP)
(HOST = systemA)
(PORT = 1521)
)
ADDRESS =
(PROTOCOL = TCP)
(HOST = systemB)
(PORT = 1521)
)
)
(CONNECT_DATA =
(SID = CLUSTDB)
(FAILOVER_MODE=
(TYPE=SELECT)(METHOD=basic)
)
)
)
-------------
There are a few different options for the "FAILOVER_MODE" (notably, BACKUP). There are alot of documents, but one that explains different options is below. This is for 8.0, but the options have not changed much between versions.
http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=69906.1
Hope this helps,
Brian
-------------
CLUSTER =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = TCP)
(HOST = systemA)
(PORT = 1521)
)
ADDRESS =
(PROTOCOL = TCP)
(HOST = systemB)
(PORT = 1521)
)
)
(CONNECT_DATA =
(SID = CLUSTDB)
(FAILOVER_MODE=
(TYPE=SELECT)(METHOD=basic)
)
)
)
-------------
There are a few different options for the "FAILOVER_MODE" (notably, BACKUP). There are alot of documents, but one that explains different options is below. This is for 8.0, but the options have not changed much between versions.
http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=69906.1
Hope this helps,
Brian
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