You can update the entire system in a coordinated process with no user intervention after the update is initiated.
Follow these steps to update to version 7.5 or later from version 7.4 or later. If you are updating from a release previous to version 7.4.0, follow the instructions in that previous release. You are required, however, to confirm the update, which is not included in those steps. After you follow the instructions for your release, return here and continue with step 5.
Before you update your system, review all of the topics in Updating to understand how the process works. Allow adequate time, such as up to a week in some cases to look for potential problems or known bugs. Additional information on updating the system is available at the following website:
http://support.lenovo.com/us/en/products/servers/lenovo-storage
When the system detects that the hardware is not running at the expected level, the system applies the correct firmware.
If you want to update without host I/O, shut down all hosts before you start the update.
Monitor the update information in the management GUI to determine when the process is complete.
If the process stalls during the update, click Resume to continue with the update or click Cancel to abandon the update and restore the previous level of code. You can also use the CLI command applysoftware -resume to resume the update.