August 2012
Intermediate to advanced
700 pages
13h 23m
English
Content preview from Storage Implementation in vSphere® 5.0
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Chapter 13. Virtual Disks and RDMs
VMware vSphere 5, and earlier releases, abstract the storage and presents it to virtual machines in various forms which are virtual disks, Raw Device Mappings (RDMs), and generic pass-through SCSI devices. This chapter deals with virtual disks and RDMs.
The Big Picture
To better understand how virtual disks and RDMs are abstracted, see Figure 13.1 for a high-level diagram.
Figure 13.1. Virtual disks and RDMs
In Figure 13.1, virtual machine file system (VMFS) datastore was created on LUN1 on the storage area network (SAN). A virtual disk is a file on the VMFS datastore. When the virtual disk is attached to the ...
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