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公开(公告)号：US07451261B2
公开(公告)日：2008-11-11
申请号：US11317029
申请日：2005-12-22
CPC分类号： G11B20/10527 , G06F3/0611 , G06F3/0656 , G06F3/0676 , G06F12/0866 , G11B5/09 , G11B2020/10666 , G11B2020/10722 , G11B2020/10759 , G11B2220/2516
摘要： Embodiments of the invention improve the cache hit ratio of read data. A hard disk drive (HDD) according to an embodiment of the present invention determines whether the read buffer should be used in its entirety or the partial continuous space should be used to read read-data from the magnetic disk. When the HDD determines use of the partial continuous space, the HDD specifies the sub-buffer which is a continuous space wherein the leading-end position and the trailing-end position are coupled to each other, and executes data writing to the sub-buffer in parallel with data reading from the sub-buffer and transmission thereof to the host. The sub-buffer capacity coincides with the data length of the back data.
摘要翻译： 本发明的实施例提高读取数据的高速缓存命中率。 根据本发明的实施例的硬盘驱动器（HDD）确定读缓冲器是否应被整体使用，或者部分连续空间应用于从磁盘读取读取数据。 当HDD确定使用部分连续空间时，HDD指定作为连续空间的子缓冲器，其中前端位置和后端位置彼此耦合，并且执行对子缓冲器的数据写入 与从子缓冲器的数据读取并将其传输到主机并行。 子缓冲器容量与背面数据的数据长度一致。
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公开(公告)号：US20060153033A1
公开(公告)日：2006-07-13
申请号：US11317029
申请日：2005-12-22
IPC分类号： G11B7/00
CPC分类号： G11B20/10527 , G06F3/0611 , G06F3/0656 , G06F3/0676 , G06F12/0866 , G11B5/09 , G11B2020/10666 , G11B2020/10722 , G11B2020/10759 , G11B2220/2516
摘要： Embodiments of the invention improve the cache hit ratio of read data. A hard disk drive (HDD) according to an embodiment of the present invention determines whether the read buffer should be used in its entirety or the partial continuous space should be used to read read-data from the magnetic disk. When the HDD determines use of the partial continuous space, the HDD specifies the sub-buffer which is a continuous space wherein the leading-end position and the trailing-end position are coupled to each other, and executes data writing to the sub-buffer in parallel with data reading from the sub-buffer and transmission thereof to the host. The sub-buffer capacity coincides with the data length of the back data.
摘要翻译： 本发明的实施例提高读取数据的高速缓存命中率。 根据本发明的实施例的硬盘驱动器（HDD）确定读缓冲器是否应被整体使用，或者部分连续空间应用于从磁盘读取读取数据。 当HDD确定使用部分连续空间时，HDD指定作为连续空间的子缓冲器，其中前端位置和后端位置彼此耦合，并且执行对子缓冲器的数据写入 与从子缓冲器的数据读取并将其传输到主机并行。 子缓冲器容量与背面数据的数据长度一致。
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公开(公告)号：US20060106980A1
公开(公告)日：2006-05-18
申请号：US11271397
申请日：2005-11-10
IPC分类号： G06F13/00
CPC分类号： G06F3/0659 , G06F3/0611 , G06F3/0656 , G06F3/0676
摘要： Embodiments of the present invention provide a media drive capable of improving command processing performance by, when a plurality of commands is queued, shortening seek time and rotational latency, and also effectively making use of the shortened period of time. In one embodiment, a HDD includes a queue capable of storing a plurality of commands, and a queue manager for optimizing the execution order of the plurality of commands on the basis of whether or not the execution of each command requires access to a medium. The queue manager determines the execution order so that medium access processing of accessing a disk for execution, and data transfer processing of transferring data between the HDD and a host, are executed in parallel with each other. For example, read processing and transfer processing are executed in parallel with each other. The read processing is adaptive to read out a read command, data of which does not exist in the cache, from the disk into the cache. The transfer processing is adaptive to transfer a read command, data of which exists in the cache, to the host.
摘要翻译： 本发明的实施例提供一种媒体驱动器，其能够通过在多个命令排队时缩短查找时间和旋转等待时间，并且还有效地利用缩短的时间段来改善命令处理性能。 在一个实施例中，HDD包括能够存储多个命令的队列，以及队列管理器，用于根据每个命令的执行是否需要访问介质来优化多个命令的执行顺序。 队列管理器确定执行顺序，使得访问用于执行的盘的介质访问处理以及在HDD和主机之间传送数据的数据传送处理彼此并行执行。 例如，读取处理和传送处理彼此并行地执行。 读取处理自适应地读出缓存中不存在其数据的读取命令从盘到高速缓存。 传输处理适应于将缓存中存在的数据的读取命令传送到主机。
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公开(公告)号：US20050166014A1
公开(公告)日：2005-07-28
申请号：US11031494
申请日：2005-01-07
CPC分类号： G06F3/0659 , G06F3/0611 , G06F3/0676
摘要： Embodiments of the invention raise the performance of a HDD by controlling the timing of notifying of command completion. In one embodiment, transmission of command completion notifications to a host is managed by a host interface manager. If two data write addresses respectively for two queued commands are adjacent or near to each other, that is, these addresses on the magnetic disk can be accessed without rotational latency, the host interface manager postpones the transmission of a command completion notification (X) concerning the first write command (X). Two command completion notifications (X) and (Y) are performed at a time after the write data (Y) for the next command is transmitted and its write to the medium is completed.
摘要翻译： 本发明的实施例通过控制指令完成通知的定时来提高HDD的性能。 在一个实施例中，主机接口管理器管理向主机发送命令完成通知。 如果两个排队命令的两个数据写入地址彼此相邻或相邻，也就是磁盘上的这些地址可以无转动等待时间被访问，主机接口管理器推迟发送命令完成通知（X） 第一个写命令（X）。 在发送下一个命令的写入数据（Y）并且其对介质的写入完成之后的时刻执行两个命令完成通知（X）和（Y）。
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公开(公告)号：US07373460B2
公开(公告)日：2008-05-13
申请号：US11271397
申请日：2005-11-10
IPC分类号： G06F12/00
CPC分类号： G06F3/0659 , G06F3/0611 , G06F3/0656 , G06F3/0676
摘要： Embodiments of the present invention provide a media drive capable of improving command processing performance by, when a plurality of commands is queued, shortening seek time and rotational latency, and also effectively making use of the shortened period of time. In one embodiment, a HDD includes a queue capable of storing a plurality of commands, and a queue manager for optimizing the execution order of the plurality of commands on the basis of whether or not the execution of each command requires access to a medium. The queue manager determines the execution order so that medium access processing of accessing a disk for execution, and data transfer processing of transferring data between the HDD and a host, are executed in parallel with each other. For example, read processing and transfer processing are executed in parallel with each other. The read processing is adaptive to read out a read command, data of which does not exist in the cache, from the disk into the cache. The transfer processing is adaptive to transfer a read command, data of which exists in the cache, to the host.
摘要翻译： 本发明的实施例提供一种媒体驱动器，其能够通过在多个命令排队时缩短查找时间和旋转等待时间，并且还有效地利用缩短的时间段来改善命令处理性能。 在一个实施例中，HDD包括能够存储多个命令的队列，以及队列管理器，用于根据每个命令的执行是否需要访问介质来优化多个命令的执行顺序。 队列管理器确定执行顺序，使得访问用于执行的盘的介质访问处理以及在HDD和主机之间传送数据的数据传送处理彼此并行执行。 例如，读取处理和传送处理彼此并行地执行。 读取处理自适应地读出缓存中不存在其数据的读取命令从盘到高速缓存。 传输处理适应于将缓存中存在的数据的读取命令传送到主机。
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公开(公告)号：US07320050B2
公开(公告)日：2008-01-15
申请号：US11031494
申请日：2005-01-07
CPC分类号： G06F3/0659 , G06F3/0611 , G06F3/0676
摘要： Embodiments of the invention raise the performance of a HDD by controlling the timing of notifying of command completion. In one embodiment, transmission of command completion notifications to a host is managed by a host interface manager. If two data write addresses respectively for two queued commands are adjacent or near to each other, that is, these addresses on the magnetic disk can be accessed without rotational latency, the host interface manager postpones the transmission of a command completion notification (X) concerning the first write command (X). Two command completion notifications (X) and (Y) are performed at a time after the write data (Y) for the next command is transmitted and its write to the medium is completed.
摘要翻译： 本发明的实施例通过控制指令完成通知的定时来提高HDD的性能。 在一个实施例中，主机接口管理器管理向主机发送命令完成通知。 如果两个排队命令的两个数据写入地址彼此相邻或相邻，也就是磁盘上的这些地址可以无转动等待时间被访问，主机接口管理器推迟发送命令完成通知（X） 第一个写命令（X）。 在发送下一个命令的写入数据（Y）并且其对介质的写入完成之后的时刻执行两个命令完成通知（X）和（Y）。
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公开(公告)号：US20070189137A1
公开(公告)日：2007-08-16
申请号：US11652387
申请日：2007-01-10
IPC分类号： G11B20/10
CPC分类号： G11B20/10527 , G11B27/105 , G11B2220/216 , G11B2220/2516
摘要： Embodiments in accordance with the present invention provide methods to record, in a rotating disk storage device, a data block in the unit of a logical sector on a recording medium on which a physical sector including a plurality of logical sectors is formatted. Extra addresses are acquired in a buffer to record write data blocks transferred from a host device. Data blocks are read from the recording medium in the unit of a physical sector. A skip read section discards data blocks having the same data blocks as the write data blocks by removing them from the read data blocks, and sends the remaining data blocks to the buffer. The buffer stores the data blocks in the order of recording in a physical sector.
摘要翻译： 根据本发明的实施例提供了在旋转盘存储装置中在其上包括多个逻辑扇区的物理扇区被格式化的记录介质上以逻辑扇区为单位记录数据块的方法。 在缓冲器中获取附加地址以记录从主机设备传送的写入数据块。 数据块以物理扇区为单位从记录介质读取。 跳过读取部分通过从读取的数据块中移除与写入数据块相同的数据块来丢弃数据块，并将剩余的数据块发送到缓冲器。 缓冲器按照物理扇区中的记录顺序存储数据块。
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公开(公告)号：US20060129716A1
公开(公告)日：2006-06-15
申请号：US11285909
申请日：2005-11-23
IPC分类号： G06F5/00
CPC分类号： G06F3/0656 , G06F3/0611 , G06F3/0676
摘要： Embodiments of the invention reduce the host's wait time by controlling buffer for a data storage device. In a hard disk drive (HDD) disclosed herein, after write data from a host is stored in a write buffer, the size of a continuous free space left forward from the end position of the stored write data is detected. If the size is smaller than a criterion size, that is, the size is not large enough to store the next command's write data, the write buffer is searched for a continuous free space not smaller than the criterion size. If a continuous free space not smaller than the criterion size is detected, the HDD sets a write pointer to the continuous free space. This makes it possible to receive the next write data from the host and therefore reduce the host's wait time.
摘要翻译： 本发明的实施例通过控制数据存储设备的缓冲器来减少主机的等待时间。 在本文所公开的硬盘驱动器（HDD）中，在将来自主机的写入数据存储在写入缓冲器中之后，检测从存储的写入数据的结束位置向前留下的连续自由空间的大小。 如果尺寸小于标准尺寸，也就是说，尺寸不够大，不足以存储下一个命令的写入数据，则搜索写入缓冲区以获得不小于标准尺寸的连续可用空间。 如果检测到不小于标准尺寸的连续可用空间，则HDD设置到连续可用空间的写指针。 这使得可以从主机接收下一个写入数据，从而减少主机的等待时间。
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9.发明授权Controller device, disk controller, auxiliary storage, computer device, and method for controlling auxiliary storage 失效控制器设备，磁盘控制器，辅助存储器，计算机设备以及用于控制辅助存储器的方法公开(公告)号：US06721854B1
公开(公告)日：2004-04-13
申请号：US09698344
申请日：2000-10-27
申请人： Hideo Asano , Atsushi Kanamaru , Kelvin Kao , Akira Kibashi , Koichi Kushida , Takahiro Saito , Chi-Chen Wu , Daniel James Colegrove
发明人： Hideo Asano , Atsushi Kanamaru , Kelvin Kao , Akira Kibashi , Koichi Kushida , Takahiro Saito , Chi-Chen Wu , Daniel James Colegrove
IPC分类号： G06F1200
CPC分类号： G06F13/387 , G06F12/0866
摘要： An external controller performs a thorough analysis and prediction on true requests from an application to issue a look-ahead request to an HDD or other auxiliary storage. An HDC card is connected to an HDD device which stores data and has a cache memory. The HDC card, which controls the HDD device, includes an access request tracer for tracing a true access request made by an application program executed by a host directly from the application program, a speculation request determination section for determining a speculation request to be expected later based on the traced true access request, and an HDC for issuing the determined speculation request to the HDD device.
摘要翻译： 外部控制器对来自应用程序的真实请求进行彻底的分析和预测，以向HDD或其他辅助存储器发出预先请求。 HDC卡连接到存储数据并具有高速缓冲存储器的HDD设备。 控制HDD设备的HDC卡包括用于跟踪由应用程序直接由主机执行的应用程序所做的真实访问请求的访问请求跟踪器，用于确定稍后期望的推测请求的推测请求确定部分 基于跟踪的真实访问请求，以及用于将确定的推测请求发布到HDD设备的HDC。
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10.发明授权Disk drive device and method for determining data track format of the disk drive device 有权用于确定磁盘驱动器装置的数据磁道格式的磁盘驱动装置和方法公开(公告)号：US08009376B2
公开(公告)日：2011-08-30
申请号：US12283731
申请日：2008-09-12
IPC分类号： G11B5/09
CPC分类号： G11B20/1258 , G11B5/59644 , G11B20/22 , G11B2020/10916 , G11B2020/1238 , G11B2020/1244 , G11B2020/1292 , G11B2020/1294 , G11B2220/2516
摘要： Embodiments of the present invention help to improve the capacity and the performance of a disk drive device. According to one embodiment, a data track pitch is set to each recording surface. The recording surfaces are divided into bands. A hard disk drive (HDD) sequentially moves a head to an adjacent data track in a band and performs a head switch at the band end in its data accessing. On a recording surface, the number of data tracks in each band is variable; and each band is constituted by different number of data tracks as necessary. The number of data tracks in each band is set so that the radial position of the band end comes close to the radial position of the corresponding band end on another recording surface. Accordingly, even if the recording surfaces have different variation rates of the data track pitch in the radial direction, increase in process time due to head switches can be suppressed.
摘要翻译： 本发明的实施例有助于提高磁盘驱动装置的容量和性能。 根据一个实施例，将数据轨道间距设置到每个记录表面。 记录表面被分成带。 硬盘驱动器（HDD）顺序地将磁头移动到频带中的相邻数据磁道，并在其数据访问中在频带端执行磁头切换。 在记录表面上，每个频带中的数据轨迹数是可变的; 并且每个频带由必要的不同数量的数据轨道构成。 每个带中的数据轨道的数量被设置为使得带端的径向位置接近另一个记录表面上相应带端的径向位置。 因此，即使记录面在径向方向上具有不同的数据磁道间距的变化率，也可以抑制由磁头开关引起的处理时间的增加。
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