Question 1
A customer has an existing IBM XIV Gen3 solution with 3 TB drives and nine modules. While performance is acceptable, the customer wants to increase the performance of small-block reads. The current nine modules are running at 60% of capacity.
Which solution should the technical specialist recommend?
Add an IBM FlashSystem 900 as a separate pool.
Add the SSD caching option on five modules.
Add the SSD caching option on all nine modules.
Add three more data modules to improve performance.
Correct answer: B
Explanation:
Reference: https://books.google.com.pk/books?id=GQSlAgAAQBAJ&pg=PA20&lpg=PA20&dq=ibm+increase+the+performance+of+small+block+reads&source=bl&ots=p9wvr-wpdb&sig=ACfU3U1otas71JSmTrTj6JS16DzOY5Rujw&hl=en&sa=X&ved=2ahUKEwirw6OtwenjAhUF2-AKHQU3AUIQ6AEwAHoECAkQAQ#v=onepage&q=ibm%20increase%20the%20performance%20of%20small%20block%20reads&f=false
Reference: https://books.google.com.pk/books?id=GQSlAgAAQBAJ&pg=PA20&lpg=PA20&dq=ibm+increase+the+performance+of+small+block+reads&source=bl&ots=p9wvr-wpdb&sig=ACfU3U1otas71JSmTrTj6JS16DzOY5Rujw&hl=en&sa=X&ved=2ahUKEwirw6OtwenjAhUF2-AKHQU3AUIQ6AEwAHoECAkQAQ#v=onepage&q=ibm%20increase%20the%20performance%20of%20small%20block%20reads&f=false