Dell-EMC
E20-545 · Question #128
When creating a RAID 5 RAID Group from SAS disks, EMC best practice recommends selecting drives from the same bus. Why?
The correct answer is A. There is little, if any, performance increase from using multiple busses. See the full explanation below for the reasoning.
Question
When creating a RAID 5 RAID Group from SAS disks, EMC best practice recommends selecting drives from the same bus. Why?
Options
- AThere is little, if any, performance increase from using multiple busses.
- BHot spares are always chosen from the same bus as the majority of disks in the RAID Group.
- CThere is a slight decrease in performance when using multiple busses.
- DOnly RAID 1/0 groups can be created across multiple busses.
How the community answered
(17 responses)- A76% (13)
- C6% (1)
- D18% (3)
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