What is the recommended method to replace the disk?

You are using RAID with a FortiAnalyzer that supports software RAID, and one of the hard disks on FortiAnalyzer has failed.

What is the recommended method to replace the disk?
A . Shut down FortiAnalyzer and then replace the disk
B . Downgrade your RAID level, replace the disk, and then upgrade your RAID level
C . Clear all RAID alarms and replace the disk while FortiAnalyzer is still running
D . Perform a hot swap

Answer: A

Explanation:

https://community.fortinet.com/t5/FortiAnalyzer/Technical-Note-How-to-swap-Hard-Disk-on-FortiAnalyzer/ta-p/194997?externalID=FD41397#:~:text=If%20a%20hard%20disk%20on,process%20known%20as%20hot%20swapping