The correct sequence of installation steps is as follows: Configure ESRS Install the Storage Controllers Generate an XtremIO Log Bundle Install the XMS Server Initialize the Cluster Services Configure ESRS: This is likely the first step where you set up the secure remote support connection. Install the Storage Controllers: Following ESRS configuration, you would install the physical hardware that manages storage operations. Generate an XtremIO Log Bundle: After installing hardware, generating a log bundle could be for initial diagnostics or system verification. Install the XMS Server: The XtremIO Management Server (XMS) is crucial for managing and monitoring an XtremIO system, hence installed after ensuring hardware readiness. Initialize the Cluster Services: Finally, initializing cluster services would be setting up and starting all necessary services for cluster operation. These steps are designed to ensure a systematic and efficient installation and upgrade process for the XtremIO X1 Storage Array1.