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    • 2. 发明授权
    • Method for reading data in a write-once memory device using a write-many file system
    • 使用多写入文件系统在一次写入存储器件中读取数据的方法
    • US07062602B1
    • 2006-06-13
    • US09878138
    • 2001-06-08
    • Christopher S. MooreJ. James TringaliRoger W. MarchJames E. SchneiderDerek J. BoschDaniel C. Steere
    • Christopher S. MooreJ. James TringaliRoger W. MarchJames E. SchneiderDerek J. BoschDaniel C. Steere
    • G06F12/00
    • G06F3/0644G06F3/0607G06F3/0643G06F3/0677G06F3/0679G06F17/30067G06F2206/1014
    • The preferred embodiments described herein provide a method for reading data in a write-once memory device using a write-many file system. In one preferred embodiment, data traffic between a data storage device and a write-once memory device is redirected so that file system structures of a write-many file system do not overwrite previously-stored file system structures. Data traffic between the write-once storage device and a data reading device is also redirected so that a current file system structure of the write-many file system is provided to the data reading device instead of an out-of- date file system structure. In another preferred embodiment, a non-volatile write-many memory array is provided in the write-once memory device to store file system structures of a write-many file system. With these preferred embodiments, data stored during multiple sessions using a write-once file system can be read by a write-many file system, thereby increasing the memory device's interoperability among existing data reading devices. Other preferred embodiments are provided, and each of the preferred embodiments described herein can be used alone or in combination with one another.
    • 本文所述的优选实施例提供了一种使用多写入文件系统在一次写入存储器件中读取数据的方法。 在一个优选实施例中,数据存储设备和一次写入存储设备之间的数据业务被重定向,使得多写入文件系统的文件系统结构不会覆盖先前存储的文件系统结构。 一次写入存储设备和数据读取设备之间的数据流量也被重定向,使得写入许多文件系统的当前文件系统结构被提供给数据读取设备而不是过时的文件系统结构。 在另一优选实施例中,在一次写入存储器设备中提供非易失性写入许多存储器阵列以存储多写入文件系统的文件系统结构。 利用这些优选实施例,可以通过写入多个文件系统来读取在多次会话期间使用一次写入文件系统存储的数据,从而增加存储器设备在现有数据读取设备之间的互操作性。 提供了其它优选实施方案,并且本文所述的各优选实施方案可以单独使用或彼此组合使用。
    • 4. 发明授权
    • Write-once memory array controller, system, and method
    • 一次写入内存阵列控制器,系统和方法
    • US06424581B1
    • 2002-07-23
    • US09638427
    • 2000-08-14
    • Derek J. BoschChristopher S. MooreDaniel C. SteereJ. James Tringali
    • Derek J. BoschChristopher S. MooreDaniel C. SteereJ. James Tringali
    • G11C700
    • G06F21/79G11C16/20
    • A write-once memory device includes a memory array controller and an electronically resetable flag. The memory array controller prevents writing and erasing from a write-once memory array unless the flag is in a selected state. The memory device is used with a data storage system that automatically determines whether a memory device installed in the data storage system is a write-once memory, and then automatically sends a recognition signal to the memory device once it has been determined to be a write-once memory. The memory device (1) automatically sets the flag in response to the recognition signal, (2) automatically refuses to implement write and erase commands prior to receipt of the recognition signal and setting of the flag, and (3) implements write and erase commands subsequent to receipt of the recognition signal and setting of the flag. The memory device implements nondestructive commands such as read and status commands regardless of the state of the flag.
    • 一次写入存储器件包括存储器阵列控制器和电子可复位标志。 存储器阵列控制器防止写入和擦除从一次写入存储器阵列,除非该标志处于选择的状态。 存储装置与数据存储系统一起使用,该数据存储系统自动确定安装在数据存储系统中的存储装置是否是一次写入存储器,然后一旦确定为写入,则自动将识别信号发送到存储装置 - 记忆 存储装置(1)响应于识别信号自动设置标志,(2)在接收到识别信号和设置标志之前自动拒绝执行写入和擦除命令,以及(3)实现写和擦除命令 在接收到识别信号和设置标志之后。 存储器件实现非破坏性命令,如读取和状态命令,而不管标志的状态如何。