Disk drive mapping low frequency write addresses to circular buffer write zone
    1.
    发明授权
    Disk drive mapping low frequency write addresses to circular buffer write zone 有权
    磁盘驱动器将低频写入地址映射到循环缓冲区写入区

    公开(公告)号:US08699175B1

    公开(公告)日:2014-04-15

    申请号:US13554994

    申请日:2012-07-20

    IPC分类号: G11B5/596

    CPC分类号: G11B5/012 G11B20/1217

    摘要: A drive is disclosed comprising a head actuated over a disk comprising a plurality of data tracks. A random access write zone is defined on the disk comprising a first plurality of the data tracks, and a circular buffer write zone is defined on the disk comprising a second plurality of the data tracks. Write commands are received comprising logical block addresses (LBAs). First frequency and second frequency write LBAs are identified, where the second frequency is higher than the first frequency. Data associated with the first frequently write LBAs is stored in the circular buffer write zone, and data associated with the second frequency write LBAs is stored in the random access write zone.

    摘要翻译: 公开了一种驱动器,包括在包括多个数据轨道的盘上致动的头部。 在包括第一多个数据轨道的磁盘上定义随机访问写入区,并且在包括第二多个数据轨道的盘上定义循环缓冲区写入区。 接收包括逻辑块地址(LBA)的写命令。 识别第一频率和第二频率写入LBA,其中第二频率高于第一频率。 与第一频繁写入LBA相关联的数据被存储在循环缓冲区写入区中,并且与第二频率写入LBA相关联的数据被存储在随机存取写入区中。

    Sorted serpentine mapping for storage drives
    2.
    发明授权
    Sorted serpentine mapping for storage drives 有权
    存储驱动器的排序蛇形映射

    公开(公告)号:US09213493B1

    公开(公告)日:2015-12-15

    申请号:US13329053

    申请日:2011-12-16

    申请人: William B. Boyle

    发明人: William B. Boyle

    IPC分类号: G06F12/00 G06F13/00 G06F3/06

    摘要: A disk drive is disclosed that utilizes sorted serpentine mapping of data tracks. In one embodiment, a plurality of physical heads of the disk drive is mapped to a plurality of logical heads. The plurality of logical heads is sorted according to the respective data rates of the physical heads, such as in the order of decreasing data rates. Data tracks are mapped using sorted serpentine mapping that utilizes the sorted order of the logical heads. Improved performance can thereby be attained.

    摘要翻译: 公开了一种使用数据轨道的排序蛇形映射的磁盘驱动器。 在一个实施例中,磁盘驱动器的多个物理磁头映射到多个逻辑磁头。 多个逻辑头根据物理磁头的相应数据速率进行排序,例如以数据速率降低的顺序排列。 数据轨道使用排序的蛇形映射进行映射,利用逻辑头的排序顺序。 从而可以获得改进的性能。

    Disk drive selecting head for write operation based on environmental condition
    3.
    发明授权
    Disk drive selecting head for write operation based on environmental condition 有权
    基于环境条件的写入操作的磁盘驱动器选择头

    公开(公告)号:US08699171B1

    公开(公告)日:2014-04-15

    申请号:US12895056

    申请日:2010-09-30

    申请人: William B. Boyle

    发明人: William B. Boyle

    IPC分类号: G11B21/02 G11B19/02 G11B27/36

    CPC分类号: G11B5/09 G11B19/046

    摘要: A disk drive is disclosed comprising a plurality of disk surfaces, and a head actuated over each disk surface. When a write command is received, the data is written to a selected disk surface in response to a measured environmental condition. For example, the heads may exhibit different write performance based on the ambient temperature, and therefore the head to write data may be selected based on a measured ambient temperature at the time of the write operation.

    摘要翻译: 公开了一种磁盘驱动器,其包括多个盘表面,以及在每个盘表面上致动的磁头。 当接收到写入命令时,响应于测量的环境条件将数据写入选定的磁盘表面。 例如,头部可以基于环境温度显示不同的写入性能,因此可以基于在写入操作时测量的环境温度来选择写入数据头。

    Hybrid drive storing redundant copies of data on disk and in non-volatile semiconductor memory based on read frequency
    5.
    发明授权
    Hybrid drive storing redundant copies of data on disk and in non-volatile semiconductor memory based on read frequency 有权
    混合驱动器基于读取频率存储磁盘和非易失性半导体存储器中的数据的冗余副本

    公开(公告)号:US08560759B1

    公开(公告)日:2013-10-15

    申请号:US12911564

    申请日:2010-10-25

    IPC分类号: G06F12/00

    CPC分类号: G06F12/0246

    摘要: A hybrid drive is disclosed comprising a head actuated over a disk comprising a plurality of data sectors, and a non-volatile semiconductor memory (NVSM). A read frequency of a first logical block address (LBA) is maintained, and when the read frequency of the first LBA exceeds a threshold and a corresponding PBA is assigned to a data sector of the disk, first data stored in the data sector is copied to a memory segment of the NVSM. When the read frequency of the first LBA exceeds a threshold and the PBA is assigned to a memory segment of the NVSM, first data stored in the memory segment is copied to a data sector of the disk. When a read command is received to read the first LBA, a decision is made to read the first data from one of the NVSM and the disk.

    摘要翻译: 公开了一种混合驱动器,其包括在包括多个数据扇区的盘上致动的磁头和非易失性半导体存储器(NVSM)。 保持第一逻辑块地址(LBA)的读取频率,并且当第一LBA的读取频率超过阈值并且相应的PBA被分配给盘的数据扇区时,复制存储在数据扇区中的第一数据 到NVSM的内存段。 当第一LBA的读取频率超过阈值并且PBA被分配给NVSM的存储器段时,存储在存储器段中的第一数据被复制到盘的数据扇区。 当接收到读取命令以读取第一LBA时,决定从NVSM和磁盘之一读取第一数据。

    Disk drive storing parameters of a write operation in a plurality of data sectors
    7.
    发明授权
    Disk drive storing parameters of a write operation in a plurality of data sectors 有权
    磁盘驱动器存储多个数据扇区中的写入操作的参数

    公开(公告)号:US07933087B1

    公开(公告)日:2011-04-26

    申请号:US12141693

    申请日:2008-06-18

    IPC分类号: G11B5/09

    摘要: A disk drive is disclosed comprising a disk having a plurality of data sectors, and a head actuated over the disk. The disk drive further comprises control circuitry operable to execute a write operation for writing data to the disk. A first part of the data is written to a first data sector together with a first sector signature data (SSD) record comprising a first parameter of the write operation and a first id that identifies the first parameter. A second part of the data is written to a second data sector together with a second SSD record comprising a second parameter of the write operation and a second id that identifies the second parameter.

    摘要翻译: 公开了一种磁盘驱动器,其包括具有多个数据扇区的盘,以及在盘上启动的磁头。 磁盘驱动器还包括控制电路,可操作以执行用于将数据写入磁盘的写入操作。 将数据的第一部分与包括写入操作的第一参数的第一扇区签名数据(SSD)记录以及标识第一参数的第一id一起写入第一数据扇区。 数据的第二部分与包括写操作的第二参数的第二SSD记录一起写入第二数据扇区,以及识别第二参数的第二ID。

    Disk drive having a high performance access mode and a lower performance archive mode
    9.
    发明授权
    Disk drive having a high performance access mode and a lower performance archive mode 有权
    具有高性能访问模式和较低性能归档模式的磁盘驱动器

    公开(公告)号:US07599139B1

    公开(公告)日:2009-10-06

    申请号:US11767315

    申请日:2007-06-22

    IPC分类号: G11B27/36

    CPC分类号: G11B19/06 G11B5/09 G11B19/28

    摘要: A disk drive is disclosed including a disk having a plurality of tracks, and a head actuated over the disk. A write frequency of write data received from a host is monitored. When the write frequency falls below a threshold, the disk drive is configured to operate in a low frequency access mode when accessing the disk, wherein a parameter of the disk drive is configured to increase the reliability of the disk drive. When the write frequency rises above a threshold, the disk drive is configured to operate in a high frequency access mode when accessing the disk, wherein the parameter of the disk drive is configured to increase the performance of the disk drive.

    摘要翻译: 公开了一种磁盘驱动器,其包括具有多个轨道的盘,以及在盘上致动的头。 监视从主机接收的写入数据的写入频率。 当写入频率低于阈值时,磁盘驱动器被配置为在访问磁盘时以低频访问模式操作,其中,磁盘驱动器的参数被配置为增加磁盘驱动器的可靠性。 当写入频率升高到高于阈值时,磁盘驱动器被配置为在访问磁盘时以高频访问模式操作,其中磁盘驱动器的参数被配置为增加磁盘驱动器的性能。