The following procedure will help mount a VMFS datastore to the ESXi host:
- Log in to the vCenter Server using the vSphere web client and use the key combination Ctrl + Alt + 2 to switch to the Host and Clusters view.
- Select an ESXi host, navigate to Configure | Storage Devices, select the LUN corresponding to the unmounted datastore and click on the icon
to attach the LUN:
- The Recent Tasks pane should list an Attach SCSI LUN task complete successfully.
- Now that you have re-attached the LUN, switch to the datastore view ...