IRST meaning in Technology ?

Answer: What is Intel Rapid Storage Technology mean?

Intel Rapid Storage Technology (RST), until 2010 called Matrix RAID, is a firmware-based RAID solution built into a wide range of Intel chipsets. As of 2020, it includes a RAID system capable of RAID levels 0, 1, 5, and 10, a block level SSD caching accelerator ("Smart Response Technology") with support for write-back and write-through modes for speed or data protection of any disk or RAID array, and support for intelligent caching, speedy recovery from certain issues, and for PCI Express based drives. Intel RST comes in two variants, RST for desktops, and RSTe (VROC is a part of Intel RSTe) for enterprise scenarios, although for many chipsets, the user can choose as both variants will operate correctly.

Intel RST is provided by a combination of firmware, chipset and CPU capabilities, and software. As such, the chipset, the firmware included in the BIOS, and the software installed by the user, must be compatible versions. Online forums and communities exist which compare the benefits of different versions of these, advise as to best compatibility for specified hardware, and modify existing firmware and software to allow optimal combinations or updates beyond those provided by the hardware manufacturers.

Like all RAID (Redundant Array of Independent Disks), Intel RST RAID employs two or more physical hard disks which the operating system will treat as a single disk, in order to increase redundancy which avoids data loss (except RAID 0), and/or to increase the speed at which data is written to and/or read from a disk. Intel RST RAID does not provide new RAID levels. It allows different areas (e.g. partitions or logical volumes) on the same disk to be assigned to different RAID devices, unlike some other RAID controllers. Intel recommends to put any critical applications and data on a RAID 1, 5, or 10 volume, with redundancy to protect against data loss. The RAID 0 volume in Matrix RAID provides fast access to large files where data loss is not a critical issue but speed is; examples include video editing, swap files, and files that are backed up. Intel Matrix RAID, Intel Rapid RAID, and Intel Smart Response Technology are together described as Intel Rapid Storage Technology.

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