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公开(公告)号：US20170236545A1
公开(公告)日：2017-08-17
申请号：US15046395
申请日：2016-02-17
发明人： David J. Altknecht , John S. Best , Donald S. Bethune , William M. Dyer , A. David Erpelding , Steven R. Hetzler , Drew B. Lawson , Daniel F. Smith
IPC分类号： G11B17/22
CPC分类号： G11B17/225 , G11B17/038 , G11B17/04 , G11B17/22 , G11B17/228
摘要： An apparatus includes one or more disc media cassettes configured to store multiple disc-based media. Multiple disc drives are configured to read and write data to the multiple disc-based media. A robotic delivery device is configured to transport a selected disc-based media to and from at least one disc drive of the multiple disc drives, and to transport the selected disc-based media directly to a spindle on the at least one disc drive.
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公开(公告)号：US09633686B1
公开(公告)日：2017-04-25
申请号：US15046404
申请日：2016-02-17
发明人： David J. Altknecht , Donald S. Bethune , William M. Dyer , A. David Erpelding , Steven R. Hetzler , Drew B. Lawson , Daniel F. Smith
IPC分类号： G11B17/038 , G11B17/28 , G11B17/08 , G11B17/22
CPC分类号： G11B17/038 , G11B17/08 , G11B17/22 , G11B17/225 , G11B17/28 , G11B23/0323 , G11B23/0325
摘要： A disc cassette includes a curved portion configured to hold multiple discs and a platform portion abuts the curved portion. The platform portion and the curved portion each include multiple rib pairs configured to separate adjacent discs from touching one another, and to form a disc slot between each rib pair. Disc slots of the platform portion of the disc cassette are configured to provide a guide for disc removal from the disc cassette.
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公开(公告)号：US09274711B2
公开(公告)日：2016-03-01
申请号：US14149770
申请日：2014-01-07
发明人： Steven R. Hetzler
CPC分类号： G06F3/0616 , G06F3/0631 , G06F3/065 , G06F3/0679 , G06F3/0688 , G06F3/0689 , G06F12/0246 , G06F2212/7202 , G06F2212/7208 , G06F2212/7211 , G11C16/10 , G11C16/3495
摘要： Aspects of the present invention include a system, method, and computer program product for skewing expected wearout times of memory devices in an array are provided according to some embodiments of the present invention. In general, the method includes determining or receiving an amount of spare space to provide in an array of memory devices, allocating the spare space non-uniformly to the memory devices in the array, and skewing expected wearout times of the memory devices by controlling writing of data to the array according to the allocation of the spare space.
摘要翻译： 根据本发明的一些实施例，提供了本发明的方面，包括用于偏移阵列中的存储器件的预期损耗时间的系统，方法和计算机程序产品。 通常，该方法包括确定或接收一定量的备用空间以在存储器件阵列中提供，将该备用空间非均匀地分配给阵列中的存储器件，以及通过控制写入来扭曲存储器件的预期损耗时间 根据备用空间的分配数据到阵列。
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24.发明授权公开(公告)号：US09252815B2
公开(公告)日：2016-02-02
申请号：US14107104
申请日：2013-12-16
CPC分类号： H03M13/29 , G06F11/1012 , H03M13/1515 , H03M13/2909 , H03M13/373
摘要： An aspect is a method that includes receiving (k0−1)k1+k2 write data symbols, where k2 k0, resulting in k2 columns of length m including the write data symbols and vertical parity values. The k0−1 rows of the write data symbols of length k1 and the m−k0+1 rows from the partially encoded array are encoded into an encoded array of m rows of length n columns, n>k1 including at least one parity value in each of the m rows, thereby enabling correction of up to (n−k1)/2 errors in any row and up to (n−k2)/2 errors in up to m−k0+1 rows of the encoded array.
摘要翻译： 一方面是包括接收（k0-1）k1 + k2个写入数据符号的方法，其中k2
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公开(公告)号：US09117462B2
公开(公告)日：2015-08-25
申请号：US13931575
申请日：2013-06-28
IPC分类号： G11B15/18 , G11B15/00 , G11B15/48 , G11B5/584 , G11B5/008 , G11B15/66 , G11B15/26 , G11B15/665 , G11B15/67
CPC分类号： G11B5/00813 , G11B5/584 , G11B15/1883 , G11B15/26 , G11B15/66 , G11B15/662 , G11B15/6651 , G11B15/67
摘要： Embodiments of the invention relate to tape drive systems having overlapped operations. In one aspect, a system includes a head for performing read and/or write operations, a first set of motors for performing positioning operations on a first tape, a second set of motors for performing positioning operations on a second tape, and a processor and logic integrated with and/or executable by the processor. The logic is configured to cause the first set of motors to pass the first tape over the head while causing the second set of motors to perform at least one of a coarse locate and a rewind operation on the second tape. Additional systems and methods are also disclosed.
摘要翻译： 本发明的实施例涉及具有重叠操作的磁带驱动系统。 一方面，一种系统包括用于执行读取和/或写入操作的头部，用于在第一带上执行定位操作的第一组电动机，用于在第二带上执行定位操作的第二组电动机，以及处理器和 与处理器集成和/或可执行的逻辑。 该逻辑被配置为使得第一组电动机将第一带通过头部，同时使得第二组电动机在第二带上执行粗定位和倒带操作中的至少一个。 还公开了附加的系统和方法。
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公开(公告)号：US20140129762A1
公开(公告)日：2014-05-08
申请号：US14149770
申请日：2014-01-07
发明人： Steven R. Hetzler
CPC分类号： G06F3/0616 , G06F3/0631 , G06F3/065 , G06F3/0679 , G06F3/0688 , G06F3/0689 , G06F12/0246 , G06F2212/7202 , G06F2212/7208 , G06F2212/7211 , G11C16/10 , G11C16/3495
摘要： Aspects of the present invention include a system, method, and computer program product for skewing expected wearout times of memory devices in an array are provided according to some embodiments of the present invention. In general, the method includes determining or receiving an amount of spare space to provide in an array of memory devices, allocating the spare space non-uniformly to the memory devices in the array, and skewing expected wearout times of the memory devices by controlling writing of data to the array according to the allocation of the spare space.
摘要翻译： 根据本发明的一些实施例，提供了本发明的方面，包括用于偏移阵列中的存储器件的预期损耗时间的系统，方法和计算机程序产品。 通常，该方法包括确定或接收一定量的备用空间以在存储器件阵列中提供，将该备用空间非均匀地分配给阵列中的存储器件，以及通过控制写入来扭曲存储器件的预期损耗时间 根据备用空间的分配数据到阵列。
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公开(公告)号：US11372549B2
公开(公告)日：2022-06-28
申请号：US16995301
申请日：2020-08-17
IPC分类号： G06F3/06
摘要： One embodiment provides a system including a computer processor, a computer-readable hardware storage device, and program code embodied with the computer-readable hardware storage device for execution by the computer processor to implement a method that includes receiving a selection of a first blob for reclamation from a first data center. The first blob includes multiple erasure code groups. A first message is sent to a second data center indicating the first blob is to be reclaimed. A global reclamation complete message is received from the second data center. The global reclamation complete message indicates a second blob in the second data center has been reclaimed. The first data center and the second data center each maintain local blob occupancy information.
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公开(公告)号：US10884861B2
公开(公告)日：2021-01-05
申请号：US16205069
申请日：2018-11-29
发明人： Steven R. Hetzler
摘要： According to one embodiment, a computer-implemented method includes determining a write speed for each of a plurality of systems in a cluster, determining a ratio of the write speeds for each of the plurality of systems in the cluster, and updating parity assignments to each of the plurality of systems in the cluster, based on the ratio of the write speeds.
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公开(公告)号：US20200379653A1
公开(公告)日：2020-12-03
申请号：US16995301
申请日：2020-08-17
IPC分类号： G06F3/06
摘要： One embodiment provides a system including a computer processor, a computer-readable hardware storage device, and program code embodied with the computer-readable hardware storage device for execution by the computer processor to implement a method that includes receiving a selection of a first blob for reclamation from a first data center. The first blob includes multiple erasure code groups. A first message is sent to a second data center indicating the first blob is to be reclaimed. A global reclamation complete message is received from the second data center. The global reclamation complete message indicates a second blob in the second data center has been reclaimed. The first data center and the second data center each maintain local blob occupancy information.
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公开(公告)号：US10831373B2
公开(公告)日：2020-11-10
申请号：US16399838
申请日：2019-04-30
IPC分类号： G06F3/06
摘要： One embodiment provides a system including a computer processor, a computer-readable hardware storage device, and program code embodied with the computer-readable hardware storage device for execution by the computer processor to implement a method that includes selecting a first blob for reclamation from a first data center. The first blob includes multiple erasure code groups. A first message is sent to a second data center indicating the first blob is to be reclaimed. A second message is sent to the second data center after reclaiming the first blob in the first data center. A global reclamation complete message is received from the second data center. The global reclamation complete message indicates a second blob in the second data center has been reclaimed. The global reclamation complete message is sent in response to the second data center receiving a local reclamation complete message from a third data center.
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