A technician verifies the slow boot time and slow OS performance of a tower server with a RAID 5 on a PCIe RAID card that does not support hot swapping. Which of the following steps should the technician take NEXT to verify RAID health?


A. Verify S.M.A.R.T. operation on the RAID card.
B. Replace the failed drive while users are connected.
C. Physically clean the HDDs and connectors.
D. Shut down the server and check the RAID controller's status.