4 Things You Should Know About Storage Area Networks

Storage Area Networks

A sort of computer network called a storage area network gives users access to consolidated block-level data storage devices. Typically utilised by servers, these components show up as direct-attached storage to an operating system. Storage Area Networks purchases Particularly in the enterprise, devices from various Voip providers are growing in popularity. Without a physical hard drive, they enable enterprises to store and access vast volumes of data.

Storage Area Network, or SAN, is a form of computer networking that offers unified block-level data storage. Its main function is to link servers and data storage devices. These components show up to the operating system as direct-attached storage. SANs are growing in popularity as a result of the numerous advantages they provide for enterprises. Here are some things you should be aware of if you’re thinking about employing a SAN.

First of all, SAN is a network made up of several fabric switches. The fabric layer, which connects servers and storage devices, is the SAN’s basic plumbing system. High reliability and complex scalability are among its responsibilities. Multiple ports on SAN switches are available for connecting to various storage destination systems and devices. Any host can access any storage device, regardless of location, thanks to its architecture.

The optimum environments for using SAN are those with sophisticated compute needs and complex storage requirements. It can be used in smaller settings as well, though. Even though SAN is pricey, it may be used in little amounts and still function effectively.


Instead of storing enormous volumes of data on individual devices, NAS systems can do so over a network. They are linked to a central server (the switch), which forwards requests to various networked devices. NAS devices may perform a wide range of tasks, such as supplying databases, print jobs, multimedia files, email, and more. You may broadcast data and pictures to the cloud using them as well. RAID, which unifies several hard discs into a logical unit, can be supported by many higher-end models. NAS devices are often grouped according to their capacity and number of discs.

The main drawbacks of NAS systems are their poor performance and scalability. A NAS server’s performance will decline as more users attempt to access its data, necessitating the need for more storage and faster network connections. To keep up, you could also require a larger system with a quicker on-board processor or more RAM. The fact that NAS devices are frequently shared on a local area network can also cause congestion and other issues.


FCoE is a technique that links storage devices to servers via Ethernet wiring. Due to the fact that it decreases the amount of cable in data centres, this technology is used in server virtualization applications. Only a few interface cards are required per server with FCoE. Additionally, FCoE is economical.

The FCoE Initialization Protocol (FIP) is used by FCoE for initialization and discovery. The specific Ethertype 0x8914 is used by this protocol. In April 2007, the FCoE Standardization Activity was launched. A crucial component of FCoE, the FCoE Initialization Protocol is used to identify and initialise FCoE-capable devices.

In contrast to having distinct networking infrastructures, FCoE wraps Fibre Channel frames into Ethernet frames. Additionally, FCoE does away with the requirement for separate network adapters. FCoE is therefore compatible with the majority of current Data Center Ethernet switches. The drawback of FCoE is that it cannot be routed through non-contiguous networks.

A new technique called FCoE transforms Ethernet into a fictitious Fibre Channel. Enterprise-grade storage networking can operate at speeds of 128 Gbps thanks to this technology. Switches that support FCoE have previously been made available by companies like Cisco and EMC. Additionally, NetApp and Emulex have upgraded their V series arrays with native FCoE interfaces. Moreover, QLogic provides FCoE target cards.

Data sharing is possible using storage area networks, or DAS. Physical servers or virtual computers can both be used as DAS devices. Although these systems are quite trustworthy, they can potentially be attacked. Even if the business is unaware that it has been infiltrated, intruders can access a DAS host and the data stored on the system. Organizations must regularly verify their DAS system’s security to see how resilient it is in order to prevent this. To assist find potential weaknesses in the system, these testing should ideally concentrate on realistic scenarios.

DAS lacks the high availability features found in SANs, in contrast to SANs. This implies that data loss is possible as a result of a cyberattack, a natural disaster, or even human error. Additionally, only software operating on the computer that is connected to the DAS device can access data on DAS devices. Collaboration and productivity may suffer as a result of this access restriction.