HPE Smart Storage Administrator for Linux .
For initial setup where no OS is installed, download the Post-Production Gen9 Service Pack for ProLiant (SPP) , which includes the bootable SSA environment. How to Access the Utility on a DL380 Gen9
You don't always need to download a separate file. The HPE SSA is often embedded in the server's firmware:
HPE Smart Storage Administrator (HPE SSA) for Windows 64-bit
Depending on your needs, you can download the tool in different formats: