Redistribution/Remapping of iSCSI Storages to multiple servers on Different Dates.

I would like to explain our scenario below for better understanding :

We have 3 Sites (13 Towers), consists of around 1500 Cameras. Now for the immediate execution purpose, we have initialized the Site 1 (i.e.,5 Towers) which is having 500+ Cameras to 6 Dell EMC Servers Which are allocated/mapped to Dell ME4 Series Storage Controller and Expansion storages. Please note that we have mapped and distributed all the Total available Pool to the 6 Dell EMC servers which are the part of Site 1.

Currently we receive requisition to map the Site No.2 Which consists of Another 500 Cameras and more 6 Servers to the existing Storage pools. which are already occupied/mapped for the Site 1 Servers (i.e., 6 Numbers). Kindly find the below queries:

1. Can we remap Site 2 Servers (i.e.,6 Numbers) to the Existing Site 1 Storage Pool (Which are currently allocated for Site 1 Servers having 6 Numbers)? There will be 12 Servers in Total.
2. Can we redistribute the entire pool to Site 2, without affecting the existing Site 1 Camera Recordings (i.e., Recording has been started for 25 Days) .? Kindly advise and please share the procedures for executing the aforementioned.
3. If the Point No. 02 is not Possible, Kindly please let us know if we shall proceed with Separate Controller with Separate Storage in Order to avoid impact on Site 01 Camera Recordings.

We need your prompt response considering the below:

1. Either it’s possible to Use the Existing Equipment without Affecting the Site 01 Recording or Shall we Proceed Procurement of Separate Storage for Site 02 which we as MOI Specialist has recommended to the Client.

Below are the Model Numbers of the Equipment Available, hope this information are enough support us for the queries.

Servers: DELL EMC PE-R440

Storage Controller: DELL EMC ME4084

Storage Expansion: DELL EMC ME484