EMC Proven Professional – XtremIO Solutions Expert — Question 19

A company is evaluating the deployment of SRDF/Star on VMAX3 arrays. One of the concerns is that the SRDF daemon represents a single point of failure.
How could this concern be addressed?

Answer options

• A. RDF daemon process runs on the embedded Tools Virtual Machines and has built-in high availability.
• B. Run RDF daemons on multiple management stations at the workload site. RDF daemons will cooperate with each other.
• C. Run an RDF daemon on one management station at each of the three sites. If the workload site RDF daemon fails, one of the RDF daemons from the other two sites will take over.
• D. RDF daemon process runs on the VMAX3 array. If the workload site RDF daemon fails, the RDF daemon from one of the other sites will take over.

Correct answer: D

Explanation

Option D is correct because it specifies that the RDF daemon runs on the VMAX3 array, which allows for failover to another site's daemon if one fails. Options A and B suggest configurations that do not directly address the single point of failure issue effectively, while Option C implies a more complicated setup that may not provide the same level of reliability as Option D.