Hi there!
It looks like you're trying to create a storage pool using the second hard disk as free space for the first one. However, you're encountering an error while doing so. Let's troubleshoot this issue.
First, make sure that both hard disks are properly installed and recognized by the server. You can check this in the server's BIOS or in the operating system's disk management tool.
Next, let's verify that the second hard disk is formatted correctly. Open the Disk Management tool in Windows Server and check if the second hard disk is listed and appears as "Online" and "Healthy". If it's not, right-click on the disk and select "Online" or "Initialize Disk" if prompted.
Now, let's try creating the storage pool again. Open the Server...