Does Cluster feature help to improve Oracle Standby for Disaster Recovery?

Server clustering may help to reduce downtime but does it also help to improve high availability of Oracle standby databases.
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Oracle Standby Cluster


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Sept. 13, 2012 - PRLog -- Take a position by details resource example can be developed in either of two methods with regards to the resource or elements groundwork. Here, there is a primary efficient node whose example sets up the details resource, and there is another node that consistently types the primary node to create sure its availability. All SQL net or net8 needs go to this primary node particularly by IP cope with or node name using DNS in the network configuration file details information file. During a problem, then the primary node injuries, there is a brief support interruption as the second node needs over and features example recovery. Once the second node is up, any details resource ask for from any client is offered to the new node via obvious IP cope with takeover, where the new node symbolizes the IP cope with of both nodes. This results in almost continuous details resource availability with very little support interruption.

The team has unique name and IP cope with, moreover to each node having its own name and IP cope with. All SQL net and Net8 needs go clearly to the team and not to any particular node, and they are in turn offered to the primary node. When the primary node injuries, there is a brief failing as the extra node comes up and sets up the details information file methods and pushes of the primary node. Data source example recovery is the performed. All needs are then immediately offered to this lately efficient node.

In these both circumstances, error identification happen via a signal concept interchanged by the two nodes at pre-defined time periods, usually a immediate by conventional. Also, once the extra node becomes efficient, the first node can be set and created the extra node that is it will offer sign concept to create sure that the other node is up and managing. A connection between nodes is very essential in team configurations for any kind of details resource web host hosting server.

Standby conditions are usually used across two team nodes. The actual difference between a on standby example configurations and Oracle RAC is that there is only one details resource example in the former and there are several conditions in the latter. Sun’s sun categories are well-known example of team offering s from well-known services that can be developed to offer on standby conditions. Many services offering team solutions have an Oracle configurations operate that pre-configures a problem recovery management operate concept.

Data protected is more improve engineering for maintaining on standby internet directories at primary stage program. After launch of details protected concept, managing problem management of Oracle details resource becomes easier for all details resource professionals.

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