I am using v 6.0.
If I look at vCenter (with vSphere) I see this (all individual disks showing):

If i look at it veeam one i see this. individual disks not showing:

So I added a this particular host as a standalone host on veeam one and it shows the disks:

So it seems to have something to do with the vCenter. But what?...

We have installed the LSI controller VIB files on the host.
Have also restarted vCenter server.