Data storage space needs for every manufacturer grow larger each and every year, and the info storage space costs grow with them. However, data storage arrays and storage area networks (SAN) have become a larger portion of the IT budget each and every year as well. Manufacturers which are seeking reduced cost, greater performance options to a conventional SAN now can take advantage of a comparatively new technological innovation referred to as ATA over Ethernet (AoE) to meet their requirements at a reasonable cost.
External storage arrays have become more and more common because producers can add disk drives and storage as required and have it obtainable to all their application servers. Simply because disk drives gain a lot more capacity each and every year, which implies the storage arrays get upgraded each and every few years as well. And storage arrays, quite a few producers are additionally upgrading servers because of the availability of multi-core processors, higher memory densities, and ten gigabit network connections.
There are three common SAN technologies in use for the effective servers to hook up to the storage arrays at the block level, which are Fibre Channel (FC), iSCSI, and Fibre Channel over Ethernet (FCoE). Servers additionally can connect to storage at the file system level utilizing NFS or CIFS. These protocols are all complicated protocols which demand both lots ofserver processor chip cycles to operate, or dedicated host bus adapters (HBA). In addition to raising up the server prices, FC and FCoE demand advanced storage switches.
ATA over Ethernet (AoE) storage devices are able to present a lot more storage capacity at greater storage access rates of speed and for a lower value than Fibre Channel or iSCSI. On top of that, AoE has really low overhead so processor load is low and HBA adapters are inexpensive. The storage network is created with regular Ethernet switches, and is inherently secure because it is on the same subnet a the servers and storage arrays. The boxes additionally scale to large volumes of storage far better than FC or iSCSI based storage arrays because there is no high-priced and complicated internal control system required.
AoE storage systems have a benefit in quite a few deployment situations. Much better performance, a lot more storage space, and a lower price is a excellent mixture for the ATA over Ethernet storage systems.