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1. 发明授权

US08775720B1 Hybrid drive balancing execution times for non-volatile semiconductor memory and disk 有权
标题翻译：非易失性半导体存储器和磁盘的混合驱动平衡执行时间
公开(公告)号：US08775720B1
公开(公告)日：2014-07-08
申请号：US13156813
申请日：2011-06-09
申请人： Alan T. Meyer , William B. Boyle , Mei-Man L. Syu , Virgil V. Wilkins , Robert M. Fallone
发明人： Alan T. Meyer , William B. Boyle , Mei-Man L. Syu , Virgil V. Wilkins , Robert M. Fallone
IPC分类号： G06F12/02
CPC分类号： G06F3/061 , G06F3/0659 , G06F3/068 , G11B5/012 , G11B20/10
摘要： A hybrid drive is disclosed comprising a head actuated over a disk, and a non-volatile semiconductor memory (NVSM). A first execution time needed to execute commands in a NVSM command queue is estimated, and a second execution time needed to execute commands in a disk command queue is estimated. An access command is inserted into a selected one of the NVSM command queue and the disk command queue in response to the first and second execution times, and one of the first and second execution times is updated in response to an estimated execution time of the access command.
摘要翻译：公开了一种混合驱动器，其包括在盘上致动的磁头和非易失性半导体存储器（NVSM）。估计在NVSM命令队列中执行命令所需的第一执行时间，并且估计在盘命令队列中执行命令所需的第二执行时间。响应于第一和第二执行时间，将访问命令插入到NVSM命令队列和磁盘命令队列中的所选择的一个中，并且响应于所访问的估计执行时间来更新第一和第二执行时间中的一个命令。

2. 发明授权

US08825977B1 Hybrid drive writing copy of data to disk when non-volatile semiconductor memory nears end of life 有权
标题翻译：当非易失性半导体存储器接近寿命时，混合驱动器将数据写入磁盘
公开(公告)号：US08825977B1
公开(公告)日：2014-09-02
申请号：US12892837
申请日：2010-09-28
申请人： Mei-Man L. Syu , Virgil V. Wilkins , William B. Boyle , Alan T. Meyer , William C. Cain
发明人： Mei-Man L. Syu , Virgil V. Wilkins , William B. Boyle , Alan T. Meyer , William C. Cain
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F3/0616 , G06F3/065 , G06F3/068
摘要： A hybrid drive is disclosed comprising a head actuated over a disk, and a non-volatile semiconductor memory (NVSM). When a write command is received from a host that is mapped to the NVSM, the write command is serviced by writing data to the NVSM, and when a life remaining of the NVSM falls below a threshold, by also writing a copy of the data to the disk.
摘要翻译：公开了一种混合驱动器，其包括在盘上致动的磁头和非易失性半导体存储器（NVSM）。当从映射到NVSM的主机接收到写入命令时，通过向NVSM写入数据来服务写入命令，并且当NVSM的剩余寿命下降到阈值以下时，通过还将数据的副本写入磁盘。

3. 发明授权

US08683295B1 Hybrid drive writing extended error correction code symbols to disk for data sectors stored in non-volatile semiconductor memory 有权
标题翻译：混合驱动器将存储在非易失性半导体存储器中的数据扇区的扩展纠错码符号写入磁盘
公开(公告)号：US08683295B1
公开(公告)日：2014-03-25
申请号：US13166728
申请日：2011-06-22
申请人： Mei-Man L. Syu , Virgil V. Wilkins , Alan T. Meyer
发明人： Mei-Man L. Syu , Virgil V. Wilkins , Alan T. Meyer
IPC分类号： G11C29/00 , G06F11/00 , H03M13/00
CPC分类号： G06F11/1048 , G11B20/1833 , H03M13/2906
摘要： A hybrid drive is disclosed comprising a head actuated over a disk, and a non-volatile semiconductor memory (NVSM). A write command is received from a host, the write command comprising data. First and second error correction code (ECC) symbols are generated over the data, wherein the second ECC symbols are different than the first ECC symbols. The data and first ECC symbols are written to the NVSM, and the second ECC symbols are written to the disk.
摘要翻译：公开了一种混合驱动器，其包括在盘上致动的磁头和非易失性半导体存储器（NVSM）。从主机接收写入命令，写命令包括数据。在数据上产生第一和第二纠错码（ECC）符号，其中第二ECC符号不同于第一ECC符号。将数据和第一ECC符号写入NVSM，并将第二ECC符号写入磁盘。

4. 发明授权

US08959284B1 Disk drive steering write data to write cache based on workload 有权
标题翻译：磁盘驱动器转向将数据写入基于工作负载的缓存
公开(公告)号：US08959284B1
公开(公告)日：2015-02-17
申请号：US12824959
申请日：2010-06-28
申请人： William B. Boyle , Alan T. Meyer , Mei-Man L. Syu
发明人： William B. Boyle , Alan T. Meyer , Mei-Man L. Syu
IPC分类号： G06F3/06 , G06F12/00 , G06F13/00
CPC分类号： G06F12/0866 , G06F12/0804 , G06F2212/222 , G06F2212/224 , G11B5/012
摘要： A disk drive is disclosed comprising a non-volatile write cache and a head actuated over a disk. A plurality of write commands are received from a host, wherein each write command comprises write data. A workload for a non-cache area of the disk is determined, and when the workload for the non-cache area of the disk is less than a threshold independent of a workload for the write cache, substantially all of the write data is stored in the non-cache area of the disk. When the workload for the non-cache area of the disk is greater than the threshold independent of the workload for the write cache, a first percentage of the write data is stored in the non-volatile write cache and a second percentage of the write data is stored in the non-cache area of the disk, wherein the first percentage is proportional to the workload for the non-cache area of the disk.
摘要翻译：公开了一种磁盘驱动器，其包括非易失性写入高速缓存和在盘上致动的磁头。从主机接收多个写入命令，其中每个写入命令包括写入数据。确定磁盘的非高速缓存区域的工作负载，并且当磁盘的非高速缓存区域的工作负载小于独立于写入高速缓存的工作负载的阈值时，基本上所有的写入数据都被存储在磁盘的非高速缓存区域。当磁盘的非高速缓存区域的工作负载大于独立于写入高速缓存的工作负载的阈值时，写入数据的第一百分比被存储在非易失性写入高速缓存中，并且写入数据的第二百分比存储在磁盘的非高速缓存区域中，其中第一百分比与磁盘的非高速缓存区域的工作负载成比例。

5. 发明授权

US08341339B1 Hybrid drive garbage collecting a non-volatile semiconductor memory by migrating valid data to a disk 有权
标题翻译：混合驱动器垃圾通过将有效数据迁移到磁盘来收集非易失性半导体存储器
公开(公告)号：US08341339B1
公开(公告)日：2012-12-25
申请号：US12814662
申请日：2010-06-14
申请人： William B. Boyle , Alan T. Meyer , Mei-Man L. Syu
发明人： William B. Boyle , Alan T. Meyer , Mei-Man L. Syu
IPC分类号： G06F12/00
CPC分类号： G06F3/0652 , G06F3/0611 , G06F3/0647 , G06F3/0685 , G06F12/0246 , G06F2212/217 , G06F2212/7205
摘要： A hybrid drive is disclosed comprising a non-volatile semiconductor memory (NVSM) comprising a plurality of blocks, and a head actuated over a disk comprising a plurality of tracks, each track comprising a plurality of data sectors. A garbage collection operation is executed on the NVSM by reading valid data from a first block of the NVSM, writing the valid data to the disk, and erasing the first block.
摘要翻译：公开了一种混合驱动器，其包括包括多个块的非易失性半导体存储器（NVSM），以及在包括多个轨道的盘上致动的磁头，每个轨道包括多个数据扇区。通过从NVSM的第一块读取有效数据，将有效数据写入到磁盘并擦除第一个块，在NVSM上执行垃圾回收操作。

6. 发明授权

US09268499B1 Hybrid drive migrating high workload data from disk to non-volatile semiconductor memory 有权
标题翻译：混合驱动器将高工作负载数据从磁盘迁移到非易失性半导体存储器
公开(公告)号：US09268499B1
公开(公告)日：2016-02-23
申请号：US13157111
申请日：2011-06-09
申请人： Virgil V. Wilkins , Robert M. Fallone , Alan T. Meyer , William B. Boyle
发明人： Virgil V. Wilkins , Robert M. Fallone , Alan T. Meyer , William B. Boyle
IPC分类号： G06F3/06
CPC分类号： G06F3/068 , G06F3/0613 , G06F3/0659 , G06F2212/217
摘要： A hybrid drive is disclosed comprising a head actuated over a disk, and a non-volatile semiconductor memory (NVSM). Access commands are received from a host including disk read commands. When a high workload of disk access commands is detected, data of at least one disk read command is migrated to the NVSM.
摘要翻译：公开了一种混合驱动器，其包括在盘上致动的磁头和非易失性半导体存储器（NVSM）。从包含磁盘读取命令的主机接收访问命令。当检测到磁盘访问命令的高工作负载时，将至少一个磁盘读取命令的数据迁移到NVSM。

7. 发明授权

US08838995B2 Physically modifying a data storage device to disable access to secure data and repurpose the data storage device 有权
标题翻译：物理修改数据存储设备以禁用对安全数据的访问并重新使用数据存储设备
公开(公告)号：US08838995B2
公开(公告)日：2014-09-16
申请号：US12475340
申请日：2009-05-29
申请人： Alan T. Meyer , Kenny T. Coker , Daniel D. Reno
发明人： Alan T. Meyer , Kenny T. Coker , Daniel D. Reno
IPC分类号： G06F21/00 , G06F21/80
CPC分类号： G06F21/80
摘要： A data storage device is disclosed comprising a non-volatile memory and control circuitry operable to evaluate a physical feature of the data storage device, wherein the physical feature is physically alterable by a user. When the physical feature is in a first state, host access to first secure data stored in the non-volatile memory is enabled, and when the physical feature is in a second state, the host access to the first secure data is disabled and host access to second data stored in the non-volatile memory is enabled.
摘要翻译：公开了一种数据存储设备，其包括可操作以评估数据存储设备的物理特征的非易失性存储器和控制电路，其中物理特征可由用户物理地改变。当物理特征处于第一状态时，对存储在非易失性存储器中的第一安全数据的主机访问被启用，并且当物理特征处于第二状态时，主机对第一安全数据的访问被禁用并且主机访问到存储在非易失性存储器中的第二数据被使能。

8. 发明授权

US08078901B1 Method for increasing a processor operating frequency when other subsystem demands are low 有权
标题翻译：当其他子系统需求较低时增加处理器工作频率的方法
公开(公告)号：US08078901B1
公开(公告)日：2011-12-13
申请号：US12140238
申请日：2008-06-16
申请人： Alan T. Meyer , Kenny T. Coker
发明人： Alan T. Meyer , Kenny T. Coker
IPC分类号： G06F1/00
CPC分类号： G06F3/0611 , G06F3/0653 , G06F3/0659 , G06F3/0676 , G11B27/36 , G11B2020/10666 , G11B2020/10916
摘要： A host activity measure indicative of a frequency of disk access commands received by a disk drive is determined, and then compared against a host activity threshold. A subsystem activity measure indicative of an activity level of a disk drive subsystem is also determined, and then compared against a subsystem activity threshold. Based at least in part on a determination that 1) the host activity measure is indicative of a greater frequency of disk access commands than the host activity threshold, and 2) the subsystem activity measure is indicative of less activity than the subsystem activity threshold, an operating frequency of a disk drive processor is increased.
摘要翻译：确定指示由磁盘驱动器接收的磁盘访问命令的频率的主机活动度量，然后与主机活动阈值进行比较。还确定了指示磁盘驱动器子系统的活动级别的子系统活动度量，然后与子系统活动阈值进行比较。至少部分地基于以下确定：1）主机活动度量指示比主机活动阈值更大的磁盘访问命令的频率，以及2）子系统活动度量表示比子系统活动阈值更少的活动，磁盘驱动器处理器的工作频率增加。

9. 发明授权

US09305142B1 Buffer memory protection unit 有权
标题翻译：缓冲存储器保护单元
公开(公告)号：US09305142B1
公开(公告)日：2016-04-05
申请号：US13330450
申请日：2011-12-19
申请人： Danny O. Ybarra , Marvin R. Deforest , Alan T. Meyer
发明人： Danny O. Ybarra , Marvin R. Deforest , Alan T. Meyer
IPC分类号： G06F12/00 , G06F21/00 , G06F12/14 , G06F21/62
CPC分类号： G06F21/00 , G06F12/1441 , G06F12/1458 , G06F21/62 , G06F21/79 , Y02D10/13
摘要： Embodiments described herein include systems and methods for managing security of a storage subsystem. Certain of these embodiments involve the use of a buffer protection module configured to intelligently police requests for access to the subsystem buffer memory.
摘要翻译：本文描述的实施例包括用于管理存储子系统的安全性的系统和方法。这些实施例中的某些涉及使用配置为智能地警告对子系统缓冲存储器的访问请求的缓冲器保护模块。

10. 发明授权

US08356184B1 Data storage device comprising a secure processor for maintaining plaintext access to an LBA table 有权
标题翻译：数据存储设备包括用于维护对LBA表的明文访问的安全处理器
公开(公告)号：US08356184B1
公开(公告)日：2013-01-15
申请号：US12491441
申请日：2009-06-25
申请人： Alan T. Meyer , Erik R. Habbinga
发明人： Alan T. Meyer , Erik R. Habbinga
IPC分类号： G06F21/00
CPC分类号： G06F21/79
摘要： A data storage device is disclosed comprising a non-volatile memory, a logical block address (LBA) table for storing plaintext data used to access the non-volatile memory, and control circuitry including a secure processor and a device processor. The secure processor is operable to initialize the LBA table with at least one authentication code over the plaintext data, and verify the authentication code over the plaintext data. The device processor is operable to receive an access command from a host, evaluate the plaintext data in the LBA table to determine whether to allow the access command, and when the access command is allowed, execute the access command.
摘要翻译：公开了一种数据存储装置，包括非易失性存储器，用于存储用于访问非易失性存储器的明文数据的逻辑块地址（LBA）表以及包括安全处理器和设备处理器的控制电路。安全处理器可操作以通过明文数据上的至少一个认证码初始化LBA表，并通过明文数据验证认证码。设备处理器可操作以从主机接收访问命令，评估LBA表中的明文数据以确定是否允许访问命令，并且当允许访问命令时，执行访问命令。

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