A storage area network is the storage answer of selection when high efficiency must be delivered to large numbers of concurrent customers. Concentrating the storage on one or more NAS servers or in a SAN as a substitute of inserting storage units on every application server allows utility server configurations to be optimized for working their functions instead of also storing all the related information and strikes the storage management job to the NAS or SAN system.
A storage-space community is typically assembled using three principle components: cabling , host bus adapters ( HBAs ) and switches Every change and storage system on the SAN should be interconnected and the physical interconnections must support bandwidth levels that can adequately handle peak information activities.
SAN (Storage Space Network) was initially really expensive that even major multinationals were afraid of employing it. These days the cost of SAN (Storage Area Network) has dropped to a level that even some small organizations are using direct hooked up storage.
One attention-grabbing riff on the SAN song and dance is that of the Virtual Storage Appliance-software that is ready to make the most of host-based DAS, however pool that capacity collectively and symbolize it out to purposes as shared capability.
Robustness: a server is characterized by a excessive reliability, however a fault is extra important to be solved; machines in a peer-to-peer community as an alternative are extra subject to faults as a result of they’re low-end and fewer dependable machines, however software managing the peer-to-peer community, being conscious of this weakness, is designed to maintain data integrity, by performing for instance automated backups.