APPARATUS, SYSTEM, AND METHOD FOR DETECTING AND REPLACING FAILED DATA STORAGE
    22.
    发明申请
    APPARATUS, SYSTEM, AND METHOD FOR DETECTING AND REPLACING FAILED DATA STORAGE 有权
    用于检测和更换故障数据存储的装置,系统和方法

    公开(公告)号:US20090287956A1

    公开(公告)日:2009-11-19

    申请号:US12467914

    申请日:2009-05-18

    IPC分类号: G06F11/00 G11C29/00

    摘要: An apparatus, system, and method are disclosed for detecting and replacing failed data storage. A read module reads data from an array of memory devices. The array includes two or more memory devices and one or more extra memory devices storing parity information from the memory devices. An ECC module determines, using an error correcting code (“ECC”), if one or more errors exist in tested data and if the errors are correctable using the ECC. The tested data includes data read by the read module. An isolation module selects a memory device in response to the ECC module determining that errors exists in the data read by the read module and that the errors are uncorrectable using the ECC. The isolation module also replaces data read from the selected memory device with replacement data and available data wherein the tested data includes the available data combined with the replacement data.

    摘要翻译: 公开了用于检测和替换故障数据存储的装置,系统和方法。 读取模块从存储器件阵列中读取数据。 阵列包括两个或多个存储器设备和一个或多个额外的存储器件,其存储来自存储器件的奇偶校验信息。 ECC模块使用纠错码(“ECC”)确定测试数据中是否存在一个或多个错误,并且使用ECC可以校正错误。 测试数据包括读取模块读取的数据。 隔离模块响应于ECC模块选择存储器件,该ECC模块确定读取模块读取的数据中存在错误,并且使用ECC可以校正错误。 隔离模块还用替换数据和可用数据替换从所选存储器件读取的数据,其中测试数据包括与替换数据组合的可用数据。