Enterprise storage, planning and management

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  • I/O contention (input/output contention)

    I/O contention (input/output contention), occurs when virtual machines compete for I/O resources because there is a limited storage bandwidth. 

  • clustered storage

    Clustered storage is the use of two or more storage servers working together to increase performance, capacity, or reliability. Clustering distributes work loads to each server, manages the transfer of workloads between servers, and provides access t... 

  • interrupt vector

    An interrupt vector is the memory location of an interrupt handler, which prioritizes interrupts and saves them in a queue if more than one interrupt is waiting to be handled. 

  • paging

    Paging is a method of writing data to, and reading it from, secondary storage for use in primary storage, also known as main memory. Paging plays a role in memory management for a computer's OS (operating system). 

  • memory management

    Memory management is the process of controlling and coordinating computer memory, assigning portions called blocks to various running programs to optimize overall system performance. 

  • write back

    Write back is a storage method in which data is written into the cache every time a change occurs, but is written into the corresponding location in main memory only at specified intervals or under certain conditions. 

  • write through

    Write through is a storage method in which data is written into the cache and the corresponding main memory location at the same time. The cached data allows for fast retrieval on demand, while the same data in main memory ensures that nothing will g... 

  • auxiliary storage

    Auxiliary storage is all addressable data storage that is not currently in a computer's main storage or memory. 

  • storage stack

    A storage stack, also called an integrated stack, is a bundled storage product that include servers, networking components and server virtualization software.  

  • data deduplication (Intelligent compression or single-instance storage)

    Data deduplication (often called "intelligent compression" or "single-instance storage") is a method of reducing storage needs by eliminating redundant data... (Continued)