Exam D-PWF-OE-00 Topic 4 Question 77 Discussion

Actual exam question for EMC's D-PWF-OE-00 exam
Question #: 77
Topic #: 4
PowerFlex upgrades require all nodes to be in Maintenance Mode. True. False.

Suggested Answer: A,B Vote an answer

PowerFlex is designed for Non-Disruptive Upgrades (NDU). Requiring all nodes to be in maintenance mode simultaneously would cause a complete cluster outage (Data Unavailable), which defeats the purpose of the architecture.
The upgrade process is rolling.
* Node 1 enters Maintenance Mode (data is safe on other nodes).
* Node 1 is upgraded and rebooted.
* Node 1 rejoins the cluster and syncs data.
* The system moves to Node 2.
At no point is the entire cluster in maintenance mode. The cluster remains online and serves I/O throughout the entire process.

by Colbert at Sep 01, 2026, 06:11 AM

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