350-601 Compute Practice Question
A UCS blade server has two vHBAs configured. The storage array is connected to both Fabric Interconnects. Which multipathing configuration should be used on the host to provide path redundancy without needing additional storage ports?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Active/active multipathing
With two vHBAs connected to two separate FIs, the host can use active/active multipathing (e.g., ALUA or symmetric) to utilize both paths simultaneously for redundancy and load balancing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Active/passive multipathing
Why it's wrong here
Active/passive multipathing is unsuitable here because the UCS blade server with two vHBAs and a storage array connected to both Fabric Interconnects implies a desire to utilise all available paths for active I/O. This configuration would only use one path at a time, leaving the other vHBA's path to the storage array idle for I/O operations. It is tempting as it provides basic path redundancy, and would be the correct choice for storage arrays that inherently present LUNs in an active/passive manner, where only one controller services a LUN at any given moment.
- ✗
Single path with failover
Why it's wrong here
This does not utilize both paths for performance.
- ✓
Active/active multipathing
Why this is correct
Active/active allows both paths to be used concurrently.
- ✗
Round-robin I/O scheduling
Why it's wrong here
This is a load-balancing algorithm, not a multipathing configuration.
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