Taking server virtualization down from the clouds to real life experience ... In ESXi 5.5 VMware removed driver support not only for some commodity network cards, but also for lots of SATA controllers that have never been on the HCL, but worked fine with the generic ahci driver of ESXi 5.0 and 5.1 (provided that they support and are configured for AHCI mode). For the NICs the problem could easily