Storage virtualization abstracts physical hard disks and devices into a central pool of storage. This permits organizations to lessen datacenter difficulty, costs and overcrowded storage space hardware. Additionally, it provides for more quickly, more reliable access to significant applications.
HPE storage virtualization makes this possible by creating a great abstraction covering between the equipment of a physical disk or perhaps drive and the operating system that accesses it. This program layer hides the details of this disk or drive to have the illusion of your single monolithic disk you can use with existing application application. This allows with regards to Smaller, more constant access to data and better performance lacking the get of additional hardware.
There are many different types of storage virtualization, including network based (SAN) and block-based (FC/iSCSI/SATA) i was reading this virtualization. The most common form is usually network established which will utilizes an intelligent switch or purpose-built machine to connect to everyone the safe-keeping devices in an FC or iSCSI SAN and symbolizes them as a single virtual pool of storage with each host.
The moment implemented correctly, a storage manager can change the place of the rational disk which a host is using simply by remapping the mapping of exactly where the meta-data resides on the underlying physical storage device. However , the granularity of your mapping can easily limit how quickly the logical disk may be remapped and just how much extra space will need to be available before the earlier logical hard drive can be huge as absolutely free. Also, most implementations require that back of a safe-keeping virtualization environment be done in a non-disruptive method which needs that the mapping granularity is normally small enough to allow for this kind of.