Which of the following are correct regarding a Storage Array RAID 2.0 Typical Application Performance Tuning? (multiple choice)
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
Chosen Answer:
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