The parallel drive firmware download operation can take as long as 90 seconds to complete if all drives are updated on a 24-drive system. I/O load on the storage array and the amount of I/O activity o...The parallel drive firmware download operation can take as long as 90 seconds to complete if all drives are updated on a 24-drive system. I/O load on the storage array and the amount of I/O activity occurring during an online firmware download operation (write-heavy workloads will cause the online firmware download time to increase) The start and complete time of Online Drive Firmware Upgrade (ODFU) can be confirmed by the following event from MAJOR-EVENT-LOG: