High Availability Data Guard, Sharding and Global Data Services (MOSC)

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Oracle Dataguard Switchover and DNS

edited Feb 15, 2014 12:00PM in High Availability Data Guard, Sharding and Global Data Services (MOSC) 1 commentAnswered

Hi, few days ago we planned a switchover in a dataguard 10g configuration (pasive dataguard)  between 2 servers.

primary:                APP   in europe.com

secondary:            APP1 in asia.com

Both databases was Oracle 10.2.0.3 in Redhat (single instance)

Everything goes ok with the databases and the switchover but what happend with the web based applications ?

I have a lot of PHP web applicattion that have a connection string with oci and oracle client, all of them have the connection like user/pass@dbname where dbname is defined in the local tnsnames.ora with the DNS names to the host.

(All of them have xxx/xxx@APP)  , and APP was ( host:europe.com and SID=APP)

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