![]() ![]() ![]() This need is primarily driven by the growth of unstructured data and the acceleration of business transformation and cloud migration efforts as a result of the COVID-19 pandemic. According to a recent IDC survey (link resides outside IBM), 44% of survey respondents run less than 40% of their apps and workloads on all-flash arrays, but this number is expected to grow due to increasing storage demands. While NAS technology has been around for a few decades, it has recently seen a resurgence in its adoption. Operating System: While standard operating systems can handle thousands of requests, the NAS OS restricts the system to two types of requests, data storage and file sharing.For example, a Windows client will typically have a server message block (SMB) protocol while a Linux or UNIX client will have a network file system (NFS) protocol. Transmission Control Protocol (TCP) and Internet Protocol (IP)-are used for data transfer, but the network protocols for data sharing can vary based on the type of client. Network Protocols: TCP/IP protocols –i.e.For example, sharing large media files, such as streaming video, across an organization requires more resources than a file system for a single user at home. The use case for the NAS device usually determines the type of HDD used. ![]() More modern systems leverage flash storage in combination with HDDs or as a standalone configuration. As more data storage is needed, additional hard disks can be added to meet the system demand, earning it the name “scale-out” NAS. Hard drives or hard disk drives (HDDs): HDDs provide storage capacity for a NAS unit as well as an easy way to scale.These devices rely on a few components to operate, such as hard drives, network protocols, and a lightweight operating system (OS). It is also commonly known as a NAS box, NAS unit, NAS server, or NAS head. Network attached storage (NAS) is a centralized, file server, which allows multiple users to store and share files over a TCP/IP network via Wifi or an Ethernet cable. ![]()
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