Storage Resource Management
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Storage Resource Management
In computing, storage resource management (SRM) involves optimizing the efficiency and speed with which a storage area network (SAN) utilizes available drive space.SearchStorage.com Definitions. âWhat is storage resource management” Retrieved September 9, 2009. History Data growth averages around 50% to 100% per year and organizations face rising hardware and storage management costs. Storage professionals who face out-of-control data growth are looking at SRM to help them navigate the storage environment. SRM identifies under-utilized capacity, identifies old or non-critical data that could be moved to less expensive storage, and helps predict future capacity requirements. SRM evolved beyond disk quota, quota management. it included functions such as storage area network (SAN) management. References

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Computing
Computing is any goal-oriented activity requiring, benefiting from, or creating computing machinery. It includes the study and experimentation of algorithmic processes, and development of both hardware and software. Computing has scientific, engineering, mathematical, technological and social aspects. Major computing disciplines include computer engineering, computer science, cybersecurity, data science, information systems, information technology and software engineering. The term "computing" is also synonymous with counting and calculating. In earlier times, it was used in reference to the action performed by mechanical computing machines, and before that, to human computers. History The history of computing is longer than the history of computing hardware and includes the history of methods intended for pen and paper (or for chalk and slate) with or without the aid of tables. Computing is intimately tied to the representation of numbers, though mathematical conc ...
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Storage Area Network
A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage. A SAN typically is a dedicated network of storage devices not accessible through the local area network (LAN). Although a SAN provides only block-level access, file systems built on top of SANs do provide file-level access and are known as shared-disk file systems. Newer SAN configurations enable hybrid SAN and allow traditional block storage that appears as local storage but also object storage for web services through APIs. Storage architectures Storage area networks (SANs) are sometimes referred to as ''network behind the servers'' and historically developed out of a centralized data storage model, but with its own data network. A SAN is, at its simp ...
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Disk Quota
A disk quota is a limit set by a system administrator that restricts certain aspects of file system usage on modern operating systems. The function of using disk quotas is to allocate limited disk space in a reasonable way. Types of quotas There are two basic types of disk quotas. The first, known as a ''usage quota'' or ''block quota'', limits the amount of disk space that can be used. The second, known as a ''file quota'' or ''inode quota'', limits the number of files and directories that can be created. In addition, administrators usually define a warning level, or ''soft quota'', at which users are informed they are nearing their limit, that is less than the effective limit, or ''hard quota''. There may also be a small ''grace interval'', which allows users to temporarily violate their quotas by certain amounts if necessary. Quotas Disk quotas are typically implemented on a per-user or per-group basis. That is, a system administrator defines a usage or file quota specific to ...
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