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    • 3. 发明申请
    • Interlaced even and odd address mapping
    • 隔行偶数和奇数地址映射
    • US20070050593A1
    • 2007-03-01
    • US11214967
    • 2005-08-30
    • HuaYuan ChenYongpeng ChngCheeSeng TohWesley ChanPohguat Bay
    • HuaYuan ChenYongpeng ChngCheeSeng TohWesley ChanPohguat Bay
    • G06F12/00
    • G06F3/064G06F3/0613G06F3/0676
    • An interlaced even and odd mapping maps between a logical address space and a physical address space. In one embodiment, an interlaced even and odd mapping scheme provides for converting between a target logical block address (LBA) and a target physical disc sector or cylinder head sector (CHS). In other embodiments, the mapping may be used in any application wherein address translation is desired between address spaces. For example, the mapping may be used to convert between a target logical address space and a target physical address space in a digital computer environment that includes a data storage device, such as a disc drive, for persistent storage. The interlaced even and odd mapping scheme allows for larger physical sector sizes on the data storage device than the logical sector sizes on a host computer.
    • 隔行偶数和奇数映射在逻辑地址空间和物理地址空间之间映射。 在一个实施例中,隔行偶数和奇数映射方案提供在目标逻辑块地址(LBA)和目标物理盘扇区或气缸头扇区(CHS)之间的转换。 在其他实施例中,映射可以用于在地址空间之间需要地址转换的任何应用中。 例如,映射可以用于在数字计算机环境中的目标逻辑地址空间和目标物理地址空间之间进行转换,数字计算机环境包括用于持久存储的诸如盘驱动器的数据存储设备。 隔行偶数和奇数映射方案允许在数据存储设备上比主计算机上的逻辑扇区大小更大的物理扇区大小。
    • 9. 发明授权
    • Virtual track for serpentine track format
    • 蜿蜒曲线格式虚拟曲目
    • US07120726B2
    • 2006-10-10
    • US10700094
    • 2003-11-03
    • HuaYuan ChenYongPeng Chng
    • HuaYuan ChenYongPeng Chng
    • G06F12/06
    • G11B5/09G06F2003/0695G11B5/012G11B27/105G11B27/327
    • A method of representing a serpentine track accessing format includes obtaining a plurality of head and physical track number pairs in the serpentine track accessing format. Then, each of the head and physical track number pairs are mapped to a unique virtual track number. In some embodiments, the unique the virtual track numbers are in a non-continuous monotonic order. In some embodiments, the unique virtual track numbers are assigned based upon a modulo M which is a function of a maximum number of tracks per physical zone. Translation engines which perform the mapping, as well as data storage systems which include the translation engines, are also disclosed.
    • 表示蛇形磁道访问格式的方法包括以蛇形磁道访问格式获得多个磁头和物理磁道号对。 然后,头部和物理轨道号码对中的每一个被映射到唯一的虚拟轨道号。 在一些实施例中,唯一的虚拟磁道号是非连续的单调顺序。 在一些实施例中,唯一的虚拟磁道号码是基于模M(M M)来分配的,模M是每个物理区域的最大轨道数的函数。 还公开了执行映射的翻译引擎以及包括翻译引擎的数据存储系统。