| Variable Name | Meaning |
|---|
| RAC | Determines whether Dbvisit Standby is part of a RAC (Real Application Cluster) configuration or not. |
| Values are Yes or No |
| Yes = Dbvisit Standby is part of a RAC configuration over several instances and nodes. |
| No = Dbvisit Standby is configured for a single instance database. |
| In a RAC environment there will be a DDC file (dbv_instance_name.env) for every primary instance in the Oracle RAC. |
| Example: |
| RAC = Yes |
| RAC_TAKEOVER | Determines if Dbvisit Standby processing on this RAC instance takes over Dbvisit Standby processing for another RAC instance (or node), if that instance or node is not available. |
| All archives must be available to all nodes. |
| The variable RAC_TAKEOVER_SID determines which RAC instance will be taken over. |
| The standby database may not be kept up to date if an instance is not available and Dbvisit Standby processing is not taken over by another instance. |
| Values are Yes or No. |
| Yes = Dbvisit Standby (on this instance) will take over from another instance when that instance is unavailable. |
| No = Dbvisit Standby (on this instance) will NOT take over from another instance when that instance is unavailable. |
| If you are not sure, set to Yes. |
| Example: |
| RAC_TAKEOVER = Yes |
| RAC_TAKEOVER_SID | Specify the instance name that Dbvisit Standby processing should take over if that instance is unavailable. |
| The instance name must be different to the current instance name. |
| Example: |
| RAC_TAKEOVER_SID = RACDB2 |
| RAC_TAKEOVER_FORCE | Determines if Dbvisit Standby processing on this RAC instance take over Dbvisit Standby processing permanently for another RAC instance (or node). |
| Dbvisit Standby processing on this RAC instance will take over Dbvisit Standby processing on another RAC instance regardless of whether that node is available or not. |
| All archives must be available to all nodes. |
| The variable RAC_TAKEOVER_SID determines which RAC instance will be taken over. |
| Values are Yes or No. |
| Yes = Dbvisit Standby (on this instance) will always take over from another instance. |
| No = Dbvisit Standby (on this instance) will NOT take over from another instance unless the instance is not available and RAC_TAKEOVER = Yes. |
| If you are not sure, set to No. |
| Example: |
| RAC_TAKEOVER_FORCE = Yes |