Dell-EMC
E20-545 · Question #40
A customer has one host attached to each SP on a VNX. SP A owns LUNs 100 and 101, which run critical applications. The customer notices that SP A has experienced a back-end failure and consequently…
The correct answer is A. The lower redirector routes I/O to the SP owning the LUNs. See the full explanation below for the reasoning.
Question
A customer has one host attached to each SP on a VNX. SP A owns LUNs 100 and 101, which run critical applications. The customer notices that SP A has experienced a back-end failure and consequently has lost connectivity to these LUNs. How will ALUA handle this path failure to ensure continued connectivity to LUNs 100 and 101?
Options
- AThe lower redirector routes I/O to the SP owning the LUNs.
- BPowerPath immediately trespasses the LUN to the owning SP.
- CThe upper redirector routes I/O to the SP owning the LUNs.
- DPowerPath routes traffic to the peer SP and through the CMI.
How the community answered
(39 responses)- A79% (31)
- B5% (2)
- C3% (1)
- D13% (5)
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