27 virtual servers performing backup and time is taking about 12 hours

[RyanJMN]

Did you run a VDP performance test and did it pass?

[RodrigoOliveir2]

I did this test yet. How can I run it ?

[RyanJMN]

Its documented in the admin guide.

For VDP 6.1 its documented on page 75 under Viewing the Storage Configuration.