Browsing all articles tagged with redundancy

RAID technology

Posted Posted by Patrice Guay in Web hosting     Comments 4 comments

disque durRAID (Redundant Array of Independent Disks) is a technology allowing a higher level of storage reliability and performance from disk-drive components via the technique of arranging them into arrays. A RAID array is a configuration with multiple physical disks set up to use a RAID architecture like RAID 0, RAID 1, RAID 5, etc. While the RAID array distributes data across multiple disks, it is considered as a single disk by the server operating system. The various RAID architectures are designed to meet at least one of these two goals:

  • increase data reliability
  • increase Input/Output (I/O) performance

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