Question 20 Q: 20 Which of the following are correct regarding a Storage Array RAID 2.0 Typical Application Performance Tuning? (multiple choice) Options A: Scenario: Sequencing large IO services, especially 1M IO scenarios, with the phenomenon that the back-end read bandwidth is much larger than the front-end read bandwidthTuning: Turn off the corresponding LUN prefetch policy B: scene: the order of pressure reading and writing business conditions, high utilization of hard drivesTuning means: increase the unplug-thresh device hard disk device C: Scenario: Oracle database in the operation of data backup, the data on the LUN bandwidth does not meet the requirements and accompanied by high utilization of hard diskTuning means: the formal creation of POOL to increase the depth of the points D: Scenario: In the case of single concurrent or low concurrent read service, the delay is found to be largeTuning means: change disk unplug 8 Modify unplug - thresh increased from 4 to 8 Save Question Show Answer Discussion 0 Clear Discussion Most voted Newest No comments yet. Be the first to comment. Post Be respectful. No spam. Correct Answer: A, B, C
