My first choice is always Dell EMC, but I will recommend other solutions depending on the customer's budget. IBM Volume Control is an option, but VPLEX is much better. 

NetApp also has a virtualization solution. We have used their appliance storage virtualization, but it depends on the customer's budget. The decision is typically not based on the technology. Most vendors offer similar features. However, VPLEX offers better data mobility. You can migrate data online with no downtime and minimal disruption.

We didn’t have a previous solution.

Our main motive was to perform data migrations across the data centers from one environment to another and that is why we bought this product. But we ended up doing database and host-based data migrations due to the complexity of the product, which adds another layer of connectivity. For a new application setup, it worked like a charm.

Prior to using Dell EMC VPLEX, we used NetApp. Both of these are good products and are very powerful.

SVC was used locally. VPLEX Metro has unique capabilities so we switched to VPLEX Metro as we had to implement a two active data center architecture.

We did not have any previous solutions.

Initially, I was using IBM SVC. It was a bit different and it was not a true active-active solution.

We did not previously use a different solution.

We did use a previous solution, but it had a totally different architecture. With the help of EMC VPLEX we simplified the architecture and improved the response time.

I have two solutions: HPE 3PAR and VPLEX.