Apparatus, system, and method for reconfiguring an array to operate with less storage elements
    6.
    发明授权
    Apparatus, system, and method for reconfiguring an array to operate with less storage elements 有权
    用于重新配置阵列以用较少存储元件操作的装置,系统和方法

    公开(公告)号:US08307258B2

    公开(公告)日:2012-11-06

    申请号:US12468040

    申请日:2009-05-18

    IPC分类号: G11C29/00

    摘要: An apparatus, system, and method are disclosed for reconfiguring an array of solid-state storage elements protected using parity data. The storage element error module determines that one or more storage elements are unavailable to store data (“unavailable storage elements”). The storage element resides in an array with N number of storage elements storing a first ECC chunk and P number of storage elements storing first parity data. The reconfigure data read module reads data from storage elements other than the unavailable storage elements. The data regeneration module uses the first parity data to regenerate missing data from the first ECC chunk. The data reconfiguration module creates a second ECC chunk. The new configuration storage module stores a portion of the second ECC chunk and associated second parity data on (N+P)−Z number of storage elements, wherein 1≦Z≦P.

    摘要翻译: 公开了用于重新配置使用奇偶校验数据保护的固态存储元件的阵列的装置,系统和方法。 存储元件错误模块确定一个或多个存储元件不可用于存储数据(不可用存储元件)。 存储元件驻留在具有存储第一ECC块的N个存储元件和存储第一奇偶校验数据的P个存储元件的阵列中。 重新配置数据读取模块从不可用存储元件以外的存储单元读取数据。 数据再生模块使用第一奇偶校验数据从第一ECC块重新生成丢失的数据。 数据重新配置模块创建第二个ECC块。 新配置存储模块将(N + P)-Z个存储元件的第二ECC块和相关联的第二奇偶校验数据的一部分存储在其中,其中1≦̸ Z≦̸ P。

    APPARATUS, SYSTEM, AND METHOD FOR USING MULTI-LEVEL CELL SOLID-STATE STORAGE AS SINGLE-LEVEL CELL SOLID-STATE STORAGE
    7.
    发明申请
    APPARATUS, SYSTEM, AND METHOD FOR USING MULTI-LEVEL CELL SOLID-STATE STORAGE AS SINGLE-LEVEL CELL SOLID-STATE STORAGE 有权
    使用多级单元固态存储作为单层电池固态存储的装置,系统和方法

    公开(公告)号:US20120266046A1

    公开(公告)日:2012-10-18

    申请号:US13531240

    申请日:2012-06-22

    IPC分类号: G11C29/00 G06F11/16 G06F12/00

    摘要: An apparatus, system, and method are disclosed for storing information in a storage device that includes multi-level memory cells. The method involves storing data that is written to the storage device in the LSBs of the multi-level memory cells, and storing audit data in the MSBs of the multi-level memory cells. The audit data can be read separately from the data and used to determine whether or not there has been any unintended drift between states in the multi-level cells. The audit data may be used to correct data when the errors in the data are too numerous to be corrected using error correction code (ECC). The audit data may also be used to monitor the general health of the storage device. The monitoring process may run as a background process on the storage device. The storage device may transition the multi-level memory cells to operate as single-level memory cells.

    摘要翻译: 公开了用于将信息存储在包括多级存储器单元的存储设备中的装置,系统和方法。 该方法包括存储在多级存储器单元的LSB中写入存储装置的数据,并将审计数据存储在多级存储单元的MSB中。 审计数据可以与数据分开读取,用于确定多级单元中状态之间是否有任何意外的漂移。 当数据中的错误太多而不能使用纠错码(ECC)校正时,审计数据可用于校正数据。 审计数据也可以用于监视存储设备的总体健康状况。 监视过程可以作为存储设备上的后台进程运行。 存储设备可以转换多级存储器单元以作为单级存储器单元操作。

    Apparatus, system, and method for detecting and replacing failed data storage
    10.
    发明授权
    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:US08195978B2

    公开(公告)日:2012-06-05

    申请号:US12467914

    申请日:2009-05-18

    IPC分类号: G06F11/00

    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。