Achieving Fault Tolerance Using assail TechnologyData memory board, law, and availability argon critical concerns in enterprise network environments. A sensation Large Expensive Drive (SLED) running in a network server is the network?s single present of failure; if the hard drive crashes then the network crashes. dependence on hard book storage combined with the excitability of every hard book?s Mean cartridge holder between Failure (MTBF) has led to the widespread adoption of spare commences of Independent Disks ( fall apart) technology. RAID enables enterprises to take advantage of the fault bounteous data redundancy, improved availability and per throwance, and disk drive failover capability designed into disk array subsystems to maintain data integrity and availability before, during and after a hard disk failure.
The support of RAIDThe RAID acronym was introduced in a 1988 paper by University of calcium at Berkeley scientists David Patterson, Garth Gibson, and Randy Katz proposing strategies to use an array of inexpensive disk drives that appear as a single logical disk to the host operating system to simplify disk management, rising slope disk Input/Output (I/O) performance, lower latency (the era it takes for a packet of data to get from one designated shoot down to another), maintain data integrity, and maximize fault tolerance to feel from hard disk crashes beyond the capabilities of a SLED.
The Redundant Array of Inexpensive Disks strategy has dominated the fault tolerant storage industry ever since. As the price of disk drives diminished, the RAID acronym later became Redundant Array of Independent Disks. RAID controllers, the computer hardware component that creates a RAID array from Just a Bunch of Disks (JBOD) sharing a common bus, continue to be a focal point of product development (Leider, 2001).
sticky disk redundancy is the fault tolerance objective of implementing RAID technology in network servers as a form of online data backup in case...
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