In these situations, IT management must ensure the servers have enough power, are physically secure and are properly cooled. Unlike NAS, storage servers are typically implemented in different forms, such as standalone towers or rack-based devices. Server-based storage can support block and file storage formats, which makes them ideal for larger organizations with a variety of storage requirements. Server storage is the vehicle of choice for large organizations because capacities can be dramatically expanded by adding more capacity to existing servers – known as scale-up storage - or by adding more physical storage servers to the infrastructure – called scale-out storage. Other servers, such as application servers, coexist in the infrastructure. Server-based storage typically connects to a primary file server uses the file handling functions of the server and its processing power and connects either directly to the primary server(s) or via a network, such as Ethernet or a SAN designed for high-capacity data transfers among users and storage arrays. Server storage: How do servers work and what can they offer? NAS is ideal for individual users and SMBs that need easy-to-use storage with flexibility, convenience and moderate investments. Capacities can range from a few terabytes to dozens of terabytes. This makes them compatible with most OSes. NAS devices are typically file-based, as opposed to server-based devices that can be either block- or file-based. NAS devices typically come with their own OS and network interface software, so devices can be easily connected to an existing LAN, powered up and quickly placed into service. The more bays there are, the more storage can be implemented. ![]() NAS devices are freestanding devices that typically have at least two bays into which storage modules are inserted. Other devices on the network use NAS storage capabilities. As the term network-attached storage implies, the storage device attaches to a network - most often, Ethernet or other TCP/IP-based networks - and can be launched quickly into production. NAS provides cost-effective and easy-to-implement options to increase storage capacity. NAS: How do NAS devices work and what can they offer? ![]() Before choosing a storage option, IT administrators should examine how NAS and server-based storage address planning, evaluating, selecting and implementing data storage.
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