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公开(公告)号：US20190073275A1
公开(公告)日：2019-03-07
申请号：US15697732
申请日：2017-09-07
摘要： A computer-implemented method for managing a tiered storage system having an archive tier and an active storage tier comprises determining a workload for moving data between the active tier and the archive tier; and determining an assignment of data to be stored across the active tier and the archive tier, based on the determined workload.
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公开(公告)号：US10353608B2
公开(公告)日：2019-07-16
申请号：US14819622
申请日：2015-08-06
摘要： A device and method for determining number of storage devices for each of plurality of storage tiers and assignment of data to be stored in the plurality of storage tiers. The device computes an optimized number of storage devices for each tier including a classifier, which receives units as input data to be stored in the system. Based on the characteristics of the storage devices, the device outputs a data-unit-to-storage tier assignment. An optimizer receives data-unit-to-storage tier assignment from the classifier and a cost budget for the system. Thereafter, an output for the number of storage devices for each storage tier is calculated. A method for determining number of storage devices for each of a plurality of storage tiers and assignment of data to be stored in the plurality of storage tiers are also provided.
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公开(公告)号：US09933942B2
公开(公告)日：2018-04-03
申请号：US14941980
申请日：2015-11-16
CPC分类号： G06F3/0607 , G06F3/0631 , G06F3/0688 , G06F3/0689
摘要： Embodiments include methods for operating a first storage system having a first number of data storage drives for enabling access to a first set of removable media. Aspects include providing a second storage system having a number K of data storage drives for enabling access to a second set of removable media and providing a set of parameters describing operational characteristics of the second storage system. Aspects also include determining an analytical model using the set of parameters, the analytical model describing the variation of average waiting time as a function of system load over a predefined range covering multiple system load regime domains and determining values of the set of parameters using the analytical model and data of the second storage system. Aspects further include using the analytical model and the values of the set of parameters for reconfiguring the first storage system.
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公开(公告)号：US10585614B2
公开(公告)日：2020-03-10
申请号：US15297750
申请日：2016-10-19
IPC分类号： G06F3/06
摘要： An embodiment is directed to a method for determining an assignment of data to be stored on at least one storage tier i of a plurality of storage tiers of a tiered storage system. The method including, for the at least one storage tier i, steps of accessing storage device characteristics of the at least one storage tier i of the plurality; based on the accessed storage device characteristics, splitting the at least one storage tier i into Ni storage subtiers of the at least one storage tier i, the Ni storage subtiers having respective storage device characteristics; and based on characteristics of data to be stored on the tiered storage system and the respective storage device characteristics of the Ni storage subtiers, determining an assignment of data to be stored on each of the Ni storage subtiers. Embodiments are directed to related methods, systems and computer program products.
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5.发明申请ADAPTIVELY MOUNTING AND UNMOUNTING REMOVABLE STORAGE MEDIA BASED ON MONITORING REQUESTS AND STATES OF STORAGE DRIVES AND THE STORAGE MEDIA 有权基于监控要求和存储驱动状态和存储介质的适配安装和不可恢复存储介质公开(公告)号：US20160103618A1
公开(公告)日：2016-04-14
申请号：US14791914
申请日：2015-07-06
IPC分类号： G06F3/06
CPC分类号： G11B15/689 , G06F3/0604 , G06F3/0611 , G06F3/0631 , G06F3/0653 , G06F3/0659 , G06F3/067 , G06F3/0685 , G06F3/0686 , G11B5/00813 , G11B17/04
摘要： A storage system is proposed which comprises a data storage device including a number N of removable storage media for storing data, with N≧2, and a number m of drives, with m≧1, wherein each of the m drives is configured to drive one of the removable storage media mounted to the drive. The storage system includes a server being coupled to the data storage device and configured to serve requests from clients, and a controller which is configured to control the data storage device to adaptively unmount the removable storage media based on a monitoring information of the requests at the data storage device, states of the drives, and states of the removable storage media.
摘要翻译： 提出了一种存储系统，其包括数据存储装置，其包括N个用于存储N≥2的可移动存储介质的数据存储装置和m≥1个的m个驱动器，其中每个m个驱动器被配置为驱动 其中一个可移动存储介质安装在驱动器上。 该存储系统包括：服务器，耦合到数据存储设备并被配置为提供来自客户端的请求;以及控制器，其被配置为基于所述请求的监视信息来控制数据存储设备以自适应地卸载可移动存储介质 数据存储设备，驱动器的状态和可移动存储介质的状态。
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公开(公告)号：US10649860B2
公开(公告)日：2020-05-12
申请号：US15697732
申请日：2017-09-07
摘要： A computer-implemented method for managing a tiered storage system having an archive tier and an active storage tier comprises determining a workload for moving data between the active tier and the archive tier; and determining an assignment of data to be stored across the active tier and the archive tier, based on the determined workload.
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7.发明申请公开(公告)号：US20180276134A1
公开(公告)日：2018-09-27
申请号：US15467423
申请日：2017-03-23
IPC分类号： G06F12/0888 , G06N7/00
CPC分类号： G06F12/0888 , G06F12/08 , G06F12/0862 , G06F2212/1016 , G06F2212/502 , G06F2212/6026 , G06N7/005
摘要： A computer-implemented method is provided for managing digital datasets stored on a multi-tiered storage system that includes several tiers of storage, the datasets likely to be accessed by one or more applications interacting with the storage system. The method includes monitoring an access history of datasets accessed by the one or more applications; and while monitoring the access history: computing probabilities of access, by the one or more applications, of the datasets stored on the storage system according to metadata associated to given datasets as identified in the monitored access history; and based on the computed probabilities of access, selecting one or more of the datasets to be moved across the tiers. Related storage systems and computer program products are also provided.
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公开(公告)号：US20180107425A1
公开(公告)日：2018-04-19
申请号：US15297750
申请日：2016-10-19
IPC分类号： G06F3/06
摘要： An embodiment is directed to a method for determining an assignment of data to be stored on at least one storage tier i of a plurality of storage tiers of a tiered storage system. The method including, for the at least one storage tier i, steps of accessing storage device characteristics of the at least one storage tier i of the plurality; based on the accessed storage device characteristics, splitting the at least one storage tier i into Ni storage subtiers of the at least one storage tier i, the Ni storage subtiers having respective storage device characteristics; and based on characteristics of data to be stored on the tiered storage system and the respective storage device characteristics of the Ni storage subtiers, determining an assignment of data to be stored on each of the Ni storage subtiers. Embodiments are directed to related methods, systems and computer program products.
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公开(公告)号：US09858959B2
公开(公告)日：2018-01-02
申请号：US15425035
申请日：2017-02-06
CPC分类号： G11B15/689 , G06F3/0604 , G06F3/0611 , G06F3/0631 , G06F3/0653 , G06F3/0659 , G06F3/067 , G06F3/0685 , G06F3/0686 , G11B5/00813 , G11B17/04
摘要： A storage system is proposed which comprises a data storage device including a number N of removable storage media for storing data, with N≧2, and a number m of drives, with m≧1, wherein each of the m drives is configured to drive one of the removable storage media mounted to the drive. The storage system includes a server being coupled to the data storage device and configured to serve requests from clients, and a controller which is configured to control the data storage device to adaptively unmount the removable storage media based on a monitoring information of the requests at the data storage device, states of the drives, and states of the removable storage media.
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公开(公告)号：US20170148479A1
公开(公告)日：2017-05-25
申请号：US15425035
申请日：2017-02-06
CPC分类号： G11B15/689 , G06F3/0604 , G06F3/0611 , G06F3/0631 , G06F3/0653 , G06F3/0659 , G06F3/067 , G06F3/0685 , G06F3/0686 , G11B5/00813 , G11B17/04
摘要： A storage system is proposed which comprises a data storage device including a number N of removable storage media for storing data, with N≧2, and a number m of drives, with m≧1, wherein each of the m drives is configured to drive one of the removable storage media mounted to the drive. The storage system includes a server being coupled to the data storage device and configured to serve requests from clients, and a controller which is configured to control the data storage device to adaptively unmount the removable storage media based on a monitoring information of the requests at the data storage device, states of the drives, and states of the removable storage media.
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