iSCSI is an IP-based storage network. iSCSI storage uses TCP/IP connections and components such as iSCSI HBA adapters or network interface cards, network switches, and routers for the storage traffic.
Make sure your iSCSI Storage is configured and can be accessed from the ESXi host. Connect to your VMware vCenter server using the vSphere Web Client and browse to your ESXi host; then select the ESXi host and click on the Manage tab.
We'll see the step-by-step procedure on how to configure the prerequisites for iSCSI Storage, create the iSCSI datastore, and configure advanced properties of iSCSI Storage.
The following steps will show you how to add a software iSCSI adapter: