A customer has an existing group with a single PS6210X member array configured as RAID 6. SAN HQ shows that the array is handling a very high level of IO. The database admin reports higher than normal latency for disk access. The same system ran in the past without problems for months, but it is gradually starting to get worse. The customer has allocated only 20% of the useable space on the array. The customer needs to improve performance with the LEAST impact on production.
Which two options should the customer consider? (Choose two.)