With VRTX system in order for ESXi to recognize storage, you have to use either Dell VMware ISO, or install storage adapter VIBS...
### Server Model firmware ### Poweredge M630  PowerEdge VRTX CMC firmware version 2.21   ### Config ### Seven SAS HDDs configured as one virtual drive.  Screenshot: PHY,VIRTUAL  ### Issue ### SAS HDDs not recognized by Esxi 6.5  Only local disk appears in Storage of Esxi host.  Screenshot: DATASTORE[IMAGE][IMAGE][IMAGE]  Rebooted the device,reinstalled Esxi but the drives are not recognized.  Any thoughts on this?  Need a driver to make it work ?  Thank you. 
M630 VRTX SAS disks not recogzined by Esxi