On Tue, 2011-03-29 at 11:47 +0300, Jussi Hirvi wrote: > Can I combine VMWare ESXi (free version) virtualization No, ESXi is an OS. > and CentOS mdraid level 1? Any pointers how to do it? I never used VMWare before. VMware supports NFS for VM storage. So export your MD-RAID volume to the ESX server.