The correct answer is B. Stargate.
Explanation:
Stargate is the Nutanix AOS service responsible for handling I/O operations. It decides whether incoming I/O from a VM should go to the OpLog (Optimized Log), which is used for handling high-throughput, low-latency writes, or directly to the Extent Store, which holds persistent data. Stargate manages data placement, read/write paths, and caching mechanisms, making it the process responsible for directing I/O traffic appropriately.
The other processes:
Zeus is responsible for cluster configuration and management.
Cassandra is used for metadata storage.
Curator handles background tasks like data balancing and cleanup.
Answer is correct.
Stargate is the data I/O manager:
https://next.nutanix.com/how-it-works-22/controller-vm-components-38055
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