How does the “Save While Active” function work?

A.
A checkpoint image of the object is made and saved to media.

B.
It saves the entire object and uses the journal to reconstruct it at restore time.

C.
It uses journaling to cache read and write requests for the saved object from other jobs.

D.
An exit point program is used to manage temporary locks on the object by the save operation
and any requesting jobs.

Explanation: