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Hello;1 person found this helpful
These documents may help :
Thank you mseberg for quick response.
An issue with Active Data Guard is the design of service level agreements. In the event of failover, service will degrade - perhaps dramatically. Clients are often very keen to bring the standby into use because it appears to be a way of saving money, but what will you do if it is activated? Your SLA will have to state either that the query service will be disabled, or that both the r/w and the r/o services will continue to be available, but at greatly reduced performance (which you must quantify). You need to get the client's agreement and document this.1 person found this helpful
Thank you john, for your input much appreciated. Yes we are already considering this point of whether there will be any comprosmise on SLA on Fail over, which has to be tested and agreed with business.
Please check my video : http://www.mahir-quluzade.com/2012/05/oracle-data-guard-11g-overview-client.html
Mahir M. Quluzade
Thank you Mahir.