This topic describes advanced data management settings for dSources.
When linking a dSource, you can use custom data management settings to improve overall performance and match the needs of your specific server and data environment. If no specific settings are required, leverage default data management settings.
Accessing Data Management Settings
There are three ways to set or modify data management settings for dSources:
- During the dSource linking process, in the Policies tab of the Add dSource wizard select the Retention Policy.
Or select Manage, then select Policies.
In the Policies screen select the Retention tab.
To add a new retention policy click the +Retention button.
This will open the Retention Policy wizard. Enter a policy name, select your retention periods and click Submit.
For more information, see Creating Custom Policies.
Retention policies define the length of time Delphix Engine retains snapshots within its storage. To support longer retention times, you may need to allocate more storage to the Delphix Engine. The retention policy – in combination with the SnapSync policy – can have a significant impact on the performance and storage consumption of the Delphix Engine.
Benefits of Longer Retention
With increased retention time for snapshots and logs, you allow a longer (older) rollback period for your data.
Common use cases for longer retention include: