HI Keiji,
The integration of SnapDrive and protection manger is for Backup and restore.
Here is a brief of what protection manager provides for app dataset.
" Protection Manager provides/discovering an unprotected application data set, which was created by applications, and then assigning a protection policy and resource pools to it.
The Protection Manager also provides the notion of a local backup schedule which normally would drive the creation of a local backup on the primary, but this schedule will not drive local backups for application data sets. Instead, local backup job will log a message indicating that no local backup was performed. However, local backup job will update protection status of the data set. This will generate lag error/warning if local backup has failed to appear and alert the administrator to a potential problem.
It also provides schedules for transferring the backup version from the primary or root node to the secondary or the non-root nodes."
What an application dataset is.
" An Application Dataset is just a dataset created and managed by application which is other than Protection Manager. The applications can be anyone of these, SnapDrive for Unix/Windows and/ or SnapManager Suite of products."
Why app dataset?
" Applications have unique procedures for backing up their data. Protection
Manager has no knowledge of these procedures because of which Protection Manager cannot backup application data reliably.
* A dataset where the application is responsible for creating the local backups.
* Application registers local backup it created with the application dataset.
* Protection Manager doesn't need to know anything about the intricacies of the application backup procedure."
