"redundant array of independent disks" meaning in English

{
  "forms": [
    {
      "form": "redundant arrays of independent disks",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "redundant array of inexpensive disks",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "RAID",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "redundant arrays of independent disks",
        "head": "redundant array of independent disks"
      },
      "expansion": "redundant array of independent disks (plural redundant arrays of independent disks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Greek translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A system using multiple hard drives for the sharing or replication of data in order to increase data integrity, fault-tolerance or throughput."
      ],
      "id": "en-redundant_array_of_independent_disks-en-noun-2S~6SP5h",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "system",
          "system"
        ],
        [
          "multiple",
          "multiple"
        ],
        [
          "hard drive",
          "hard drive"
        ],
        [
          "sharing",
          "sharing"
        ],
        [
          "replication",
          "replication"
        ],
        [
          "data",
          "data"
        ],
        [
          "data integrity",
          "data integrity"
        ],
        [
          "fault-tolerance",
          "fault-tolerance"
        ],
        [
          "throughput",
          "throughput"
        ]
      ],
      "raw_glosses": [
        "(computing) A system using multiple hard drives for the sharing or replication of data in order to increase data integrity, fault-tolerance or throughput."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "el",
          "lang": "Greek",
          "roman": "pleonázousa systoichía anexártiton dískon",
          "sense": "system using multiple hard drives",
          "tags": [
            "feminine"
          ],
          "word": "πλεονάζουσα συστοιχία ανεξάρτητων δίσκων"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "efedrikí systoichía dískon",
          "sense": "system using multiple hard drives",
          "tags": [
            "feminine"
          ],
          "word": "εφεδρική συστοιχία δίσκων"
        }
      ],
      "wikipedia": [
        "redundant array of independent disks"
      ]
    }
  ],
  "word": "redundant array of independent disks"
}

{
  "forms": [
    {
      "form": "redundant arrays of independent disks",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "redundant array of inexpensive disks",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "RAID",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "redundant arrays of independent disks",
        "head": "redundant array of independent disks"
      },
      "expansion": "redundant array of independent disks (plural redundant arrays of independent disks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Greek translations",
        "en:Computing"
      ],
      "glosses": [
        "A system using multiple hard drives for the sharing or replication of data in order to increase data integrity, fault-tolerance or throughput."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "system",
          "system"
        ],
        [
          "multiple",
          "multiple"
        ],
        [
          "hard drive",
          "hard drive"
        ],
        [
          "sharing",
          "sharing"
        ],
        [
          "replication",
          "replication"
        ],
        [
          "data",
          "data"
        ],
        [
          "data integrity",
          "data integrity"
        ],
        [
          "fault-tolerance",
          "fault-tolerance"
        ],
        [
          "throughput",
          "throughput"
        ]
      ],
      "raw_glosses": [
        "(computing) A system using multiple hard drives for the sharing or replication of data in order to increase data integrity, fault-tolerance or throughput."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "redundant array of independent disks"
      ]
    }
  ],
  "translations": [
    {
      "code": "el",
      "lang": "Greek",
      "roman": "pleonázousa systoichía anexártiton dískon",
      "sense": "system using multiple hard drives",
      "tags": [
        "feminine"
      ],
      "word": "πλεονάζουσα συστοιχία ανεξάρτητων δίσκων"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "efedrikí systoichía dískon",
      "sense": "system using multiple hard drives",
      "tags": [
        "feminine"
      ],
      "word": "εφεδρική συστοιχία δίσκων"
    }
  ],
  "word": "redundant array of independent disks"
}