Many customers now choose to virtualize their Oracle Database systems to gain the many advantages of running under VMware.
ScaleIO can deliver storage to databases virtualized with VMware which may be configured as VMFS datastores or as Raw Device Maps (RDMs).
VMFS provides flexibility to guest operating systems, and includes the ability to suspend a running VM, snapshot a VM, create clones and templates and share VMFS file systems across multiple guest operating systems across multiple ESX hosts.
Virtual disks, called VMDKs, may be created within a VMFS file system, and presented to the guest OS in a similar fashion to LUNs. These virtual disks can then be used as ASM disks by Oracle.
With VMFS 6, each VMDK may be up to 62 TB.