Disk system and power-on sequence for the same

    公开(公告)号:US6131142A

    公开(公告)日:2000-10-10

    申请号:US357372

    申请日:1999-07-20

    CPC分类号: G06F1/266 G11B19/209

    摘要: With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.

    Disk system and power-on sequence for the same
    2.
    发明授权
    Disk system and power-on sequence for the same 失效
    磁盘系统和上电顺序相同

    公开(公告)号:US5673412A

    公开(公告)日:1997-09-30

    申请号:US472460

    申请日:1995-06-07

    CPC分类号: G06F1/266 G11B19/209

    摘要: With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.

    摘要翻译: 对于提供来自磁盘驱动器系统中的单个电源的电力的磁盘驱动器,首先将启动电力提供给具有组的大小的优选地包括所有主盘的磁盘的第一启动组 被选择使得所需电流不超过电源的容量。 当第一组的磁盘驱动器已经基本上达到稳定状态时,相对于磁盘驱动器的第二启动组进行启动,使得第二组启动期间所需的电流以及第二组所需的电流 第一启动组的稳态驱动不超过电源的容量。 对于每个启动组,磁盘驱动器的数量是最大整数值,并且相对于后续的启动组而言减少或保持不变。 当分别同时将分割的数据传输到奇偶校验组的所有磁盘驱动器时,通过改变寻道操作开始定时或通过改变寻道操作开始时间来防止这种系统中的寻找操作同时发生, 开始阅读和写入的头地址全部在一轮之内,但寻道操作同时结束,以减少电源的峰值电流要求。

    Disk system and power-on sequence for the same
    3.
    发明授权
    Disk system and power-on sequence for the same 失效
    磁盘系统和上电顺序相同

    公开(公告)号:US07242656B2

    公开(公告)日:2007-07-10

    申请号:US10617681

    申请日:2003-07-14

    IPC分类号: G11B7/00

    CPC分类号: G06F1/266 G11B19/209

    摘要: With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.

    摘要翻译: 对于提供来自磁盘驱动器系统中的单个电源的电力的磁盘驱动器,首先将启动电力提供给具有组的大小的优选地包括所有主盘的磁盘的第一启动组 被选择使得所需电流不超过电源的容量。 当第一组的磁盘驱动器已经基本上达到稳定状态时,相对于磁盘驱动器的第二启动组进行启动,使得第二组启动期间所需的电流以及第二组所需的电流 第一启动组的稳态驱动不超过电源的容量。 对于每个启动组,磁盘驱动器的数量是最大整数值,并且相对于后续的启动组而言减少或保持不变。 当分别同时将分割的数据传送到奇偶校验组的所有磁盘驱动器时,通过改变寻道操作开始定时或通过改变寻道操作开始时间来防止这种系统中的寻找操作同时发生, 开始阅读和写入的头地址全部在一轮之内,但寻道操作同时结束,以减少电源的峰值电流要求。

    Disk system and power-on sequence for the same

    公开(公告)号:US06625690B2

    公开(公告)日:2003-09-23

    申请号:US10122301

    申请日:2002-04-16

    IPC分类号: G06F1200

    CPC分类号: G06F1/266 G11B19/209

    摘要: With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.

    Disk system and power-on sequence for the same
    5.
    发明授权
    Disk system and power-on sequence for the same 失效
    磁盘系统和上电顺序相同

    公开(公告)号:US06286108B1

    公开(公告)日:2001-09-04

    申请号:US09522015

    申请日:2000-03-09

    IPC分类号: G06F130

    CPC分类号: G06F1/266 G11B19/209

    摘要: With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.

    摘要翻译: 对于提供来自磁盘驱动器系统中的单个电源的电力的磁盘驱动器,首先将启动电力提供给具有组的大小的优选地包括所有主盘的磁盘的第一启动组 被选择使得所需电流不超过电源的容量。 当第一组的磁盘驱动器已经基本上达到稳定状态时,相对于磁盘驱动器的第二启动组进行启动,使得第二组启动期间所需的电流以及第二组所需的电流 第一启动组的稳态驱动不超过电源的容量。 对于每个启动组,磁盘驱动器的数量是最大整数值,并且相对于后续的启动组而言减少或保持不变。 当分别同时将分割的数据传送到奇偶校验组的所有磁盘驱动器时,通过改变寻道操作开始定时或通过改变寻道操作开始时间来防止在这种系统中的寻找操作同时发生, 开始阅读和写入的头地址全部在一轮之内,但寻道操作同时结束,以减少电源的峰值电流要求。

    Disk system with activation control of disk drive motors
    6.
    发明授权
    Disk system with activation control of disk drive motors 失效
    具有磁盘驱动电机启动控制的磁盘系统

    公开(公告)号:US6012124A

    公开(公告)日:2000-01-04

    申请号:US934201

    申请日:1997-09-19

    CPC分类号: G06F1/266 G11B19/209

    摘要: With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.

    摘要翻译: 对于提供来自磁盘驱动器系统中的单个电源的电力的磁盘驱动器,首先将启动电力提供给具有组的大小的优选地包括所有主盘的磁盘的第一启动组 被选择使得所需电流不超过电源的容量。 当第一组的磁盘驱动器已经基本上达到稳定状态时,相对于磁盘驱动器的第二启动组进行启动,使得第二组启动期间所需的电流以及第二组所需的电流 第一启动组的稳态驱动不超过电源的容量。 对于每个启动组,磁盘驱动器的数量是最大整数值,并且相对于后续的启动组而言减少或保持不变。 当分别同时将分割的数据传送到奇偶校验组的所有磁盘驱动器时,通过改变寻道操作开始定时或通过改变寻道操作开始时间来防止这种系统中的寻找操作同时发生, 开始阅读和写入的头地址全部在一轮之内,但寻道操作同时结束,以减少电源的峰值电流要求。

    Method for error correction and circuit for realizing same
    8.
    发明授权
    Method for error correction and circuit for realizing same 失效
    误差校正方法及其实现方法

    公开(公告)号:US5325364A

    公开(公告)日:1994-06-28

    申请号:US412514

    申请日:1989-09-26

    摘要: An error correction circuit which includes a specification circuit for specifying erroneous portions in a first data set reproduced from a recording medium, a register for storing the reproduced first data set including the erroneous portions thus specified and a reproducing circuit responsive to the reproduced first data set for reproducing again the first data set from the recording medium to obtain retry data, when there exist erroneous portions in the reproduced first data set stored in the register. The correction circuit also includes a data replace circuit, connected to receive the retry data, for replacing information at the specified erroneous portions in the reproduced first data set stored in the register by information at corresponding portions in the retry data.

    摘要翻译: 一种误差校正电路,包括用于指定从记录介质再现的第一数据组中的错误部分的指定电路,用于存储包括如此指定的错误部分的再现的第一数据组的寄存器和响应于再现的第一数据集的再现电路 当存储在寄存器中的再现的第一数据组中存在错误部分时,再次从记录介质再现第一数据组以获得重试数据。 校正电路还包括连接以接收重试数据的数据替换电路,用于通过重试数据中的相应部分处的信息替换存储在寄存器中的再现的第一数据集中的指定错误部分处的信息。

    Data reconstruction method and system wherein timing of data of data reconstruction is controlled in accordance with conditions when a failure occurs
    9.
    发明授权
    Data reconstruction method and system wherein timing of data of data reconstruction is controlled in accordance with conditions when a failure occurs 失效
    数据重建方法和系统,其中根据故障发生时的状况来控制数据重建的数据的定时

    公开(公告)号:US07434095B2

    公开(公告)日:2008-10-07

    申请号:US11218610

    申请日:2005-09-06

    IPC分类号: G06F11/00

    摘要: A data storage system connectable to a host unit which issues data read/write requests to the data storage system, and which includes a plurality of disc units, and a controller connected to the disc units. A fault can occur in any of the disc units. The disc units store data in a plurality of data groups and error correcting data corresponding to each of the data groups. The controller, operable in different modes, performs processing of reconstructing data stored in any of the disc units in which a fault has occurred based on all other data belonging to any of the data groups to which the data to be reconstructed belongs and error correcting data corresponding to any of the data groups to which the data to be reconstructed belongs, and performs processing of data read/write requests from the host unit.

    摘要翻译: 可连接到主机单元的数据存储系统,其向数据存储系统发出数据读/写请求,并且包括多个盘单元,以及连接到盘单元的控制器。 任何碟片单元都可能发生故障。 盘单元将数据存储在多个数据组中,并且对应于每个数据组的纠错数据。 控制器以不同的模式操作,根据属于重构数据所属数据组的所有其他数据所属的所有其它数据,以及纠错数据,执行重构存储在发生故障的任何一个盘单元中的数据的处理 对应于要重构的数据所属的任何数据组,并且执行来自主机单元的数据读/写请求的处理。

    Data reconstruction method and system wherein timing of data of data reconstruction is controlled in accordance with conditions when a failure occurs
    10.
    发明授权
    Data reconstruction method and system wherein timing of data of data reconstruction is controlled in accordance with conditions when a failure occurs 失效
    数据重建方法和系统,其中根据故障发生时的状况来控制数据重建的数据的定时

    公开(公告)号:US06966011B2

    公开(公告)日:2005-11-15

    申请号:US10610759

    申请日:2003-07-02

    摘要: A data storage system connectable to a host unit which issues data read/write requests to the data storage system, and which includes a plurality of disc units, and a controller connected to the disc units. A fault can occur in any of the disc units. The disc units store data in a plurality of data groups and error correcting data corresponding to each of the data groups. The controller, operable in different modes, performs processing of reconstructing data stored in any of the disc units in which a fault has occurred based on all other data belonging to any of the data groups to which the data to be reconstructed belongs and error correcting data corresponding to any of the data groups to which the data to be reconstructed belongs, and performs processing of data read/write requests from the host unit.

    摘要翻译: 可连接到主机单元的数据存储系统,其向数据存储系统发出数据读/写请求,并且包括多个盘单元,以及连接到盘单元的控制器。 任何碟片单元都可能发生故障。 盘单元将数据存储在多个数据组中,并且对应于每个数据组的纠错数据。 控制器以不同的模式操作,根据属于重构数据所属数据组的所有其他数据所属的所有其它数据,以及纠错数据,执行重构存储在发生故障的任何一个盘单元中的数据的处理 对应于要重构的数据所属的任何数据组,并且执行来自主机单元的数据读/写请求的处理。