Which technology would provide a solution to the problem?

You are the administrator for your company’s VMware deployment. You have noticed that one of
the datastores has two drives that are reporting excessive read errors. You would like to replace
these failing drives, but cannot take the virtual machines offline at this point. Which technology
would provide a solution to the problem?

A.
Storage vMotion

B.
vSphere APIs for Array Integration (VAAI)