As companies and technology have grown, databases have grown tremendously. To combat the increase in size, new storage systems and architectures have grown in popularity. A networked storage area (SAN) allows a company to maintain a central data center with the facility of local drives. Description
A storage area network (SAN) is a system designed to facilitate the transfer of data between clients and storage. SAN portrays storage devices as local devices, allowing for a central location of storage among many customers, including those that are long distance away.
Advantages and disadvantages
The SAN relies directly on the storage facility, the network accessing it, and the end customer. Because of this, performance depends on the performance of each of these parts. If a network is not fast enough to transfer data, system access may be slow.
In terms of scalability, storage data centers can be added to almost infinitely, providing adequate storage for any system or potential problem. However, SAN systems are still expensive to implement due to the high cost associated with the storage architecture.
Once the storage area network is implemented, adding storage is relatively low cost. Compared to other systems that require the installation of base components for each storage increase, storage networks are linked to the existing architecture. This produces a lower cost than other systems.
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