Our 5 types of virtualization are: File Record Virtualization ⎯ we would use with our database structures. File System Virtualization ⎯ we use with our NAS type architectures and DFS Block Virtualization ⎯ from a device point of view we have Disk Virtualization. Disk Virtualization would run in the sub-system. Tape Library Virtualization ⎯ we run in a storage sub-system (disk or tape). Block Virtualization ⎯ can be done in the network or in the host or server.
These are the localities of doing virtualization. Host based
Subsystem based Network based
These are the defined architectures that we are going to use. In band ⎯ sometimes referred to as symmetric Out of band ⎯ sometimes referred to as asymmetric