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21. 发明申请

US20080126813A1 Storage control device and method of controlling encryption function of storage control device 审中-公开
标题翻译：存储控制装置及其控制存储控制装置加密功能的方法
公开(公告)号：US20080126813A1
公开(公告)日：2008-05-29
申请号：US11599296
申请日：2006-11-15
申请人： Norihiko Kawakami
发明人： Norihiko Kawakami
IPC分类号： G06F12/14
CPC分类号： G06F21/85 , G06F21/72 , G06F21/78 , G06F21/80
摘要： The storage control device of the present invention suppresses a drop in the performance of a host and storage control device by preventing the execution of encryption processing in the host and storage control device. The user presets an attribute that relates to the encryption of each storage device by considering the type of data transmitted from a higher order device (encryption data or plain data, for example) and the importance of the data and so forth. Such user operating policies are registered in a configuration management section via a setting section. When the data received from the higher-level device are encryption data, the storage control device stores the data in the storage device as is without performing encryption processing. When the received data are plain data, the storage control device converts the plain data into encryption data by performing encryption processing and stores the encryption data in the storage device.
摘要翻译：本发明的存储控制装置通过防止主机和存储控制装置中的加密处理的执行来抑制主机和存储控制装置的性能下降。用户通过考虑从高阶设备（例如加密数据或普通数据）发送的数据的类型以及数据的重要性等来预设与每个存储设备的加密相关的属性。这样的用户操作策略经由设置部分登记在配置管理部分中。当从上级装置接收的数据是加密数据时，存储控制装置按原样存储数据，而不执行加密处理。当接收到的数据是普通数据时，存储控制装置通过执行加密处理将普通数据转换成加密数据，并将加密数据存储在存储装置中。

22. 发明申请

US20070271481A1 Storage controller 审中-公开
标题翻译：存储控制器
公开(公告)号：US20070271481A1
公开(公告)日：2007-11-22
申请号：US11453434
申请日：2006-06-14
申请人： Norihiko Kawakami , Akio Nakajima
发明人： Norihiko Kawakami , Akio Nakajima
IPC分类号： G06F11/00
CPC分类号： G06F11/2092 , G06F11/0727 , G06F11/0757 , G06F11/076 , G06F11/1443
摘要： Provided is a storage control unit capable of, even when a failure occurs in access from a control unit to storage devices and the access from the control unit to the storage devices is switched to access via an alternate path, continuing I/O access to the storage devices without interrupting I/O requests from a host.The present invention provides a storage control unit having dual control units wherein a controller in one control unit, that has received an I/O request from a host, issues an I/O request to an initiator in another control unit using a control path between the controllers in the control units, and the initiator that has received this I/O request accesses the target storage device(s) via a connection path based on that I/O request.
摘要翻译：提供了一种存储控制单元，即使当从控制单元访问到存储设备时发生故障，并且从控制单元到存储设备的访问被切换到经由备用路径的访问，继续I / O访问存储设备，而不会中断来自主机的I / O请求。本发明提供一种具有双重控制单元的存储控制单元，其中一个控制单元中已经从主机接收到I / O请求的控制器使用第二控制单元之间的控制路径向另一个控制单元中的启动器发出I / O请求控制单元中的控制器和接收到该I / O请求的发起者基于该I / O请求经由连接路径访问目标存储设备。

23. 发明授权

US08639899B2 Storage apparatus and control method for redundant data management within tiers 有权
标题翻译：层次内冗余数据管理的存储装置和控制方法
公开(公告)号：US08639899B2
公开(公告)日：2014-01-28
申请号：US13129221
申请日：2011-04-26
申请人： Norihiko Kawakami , Hiroshi Hirayama
发明人： Norihiko Kawakami , Hiroshi Hirayama
IPC分类号： G06F12/00 , G06F12/16
CPC分类号： G06F3/0608 , G06F3/061 , G06F3/0641 , G06F3/0649 , G06F3/0653 , G06F3/0665 , G06F3/0685 , G06F11/2089
摘要： A storage apparatus providing a logical storage area for storing data to an external apparatus, includes a plurality of storage devices each providing a physical storage area for storing the data, the storage devices being different from each other in device property including data input/output performance, a capacity virtualization part managing the physical storage areas of the storage devices as unit physical storage areas each having a predetermined storage capacity and managing the unit physical storage areas in association with a plurality of unit logical storage areas forming the logical storage area, a tier controller managing the plurality of unit physical storage areas by classifying into a plurality of tiers the unit physical storage areas provided by the storage devices having the different device properties, and a redundant data management part managing redundant unit storage areas which are a plurality of the unit physical storage areas storing the same data. The data migration between the tiers is controlled according to, for example, an access frequency to the data from the external apparatus.
摘要翻译：提供用于向外部设备存储数据的逻辑存储区域的存储装置包括多个存储设备，每个存储设备提供用于存储数据的物理存储区域，所述存储设备在包括数据输入/输出性能的设备属性中彼此不同容量虚拟化部分，其管理存储装置的物理存储区域，作为具有预定存储容量的单位物理存储区域，并与形成逻辑存储区域的多个单位逻辑存储区域相关联地管理单位物理存储区域;层控制器通过将由具有不同设备属性的存储设备提供的单元物理存储区域分为多层来管理多个单元物理存储区域;以及冗余数据管理部件，其管理作为多个单元的冗余单元存储区域存储相同数据的物理存储区域。根据例如来自外部设备的数据的访问频率来控制层之间的数据迁移。

24. 发明授权

US08463981B2 Storage apparatus having deduplication unit 有权
标题翻译：具有重复数据删除单元的存储设备
公开(公告)号：US08463981B2
公开(公告)日：2013-06-11
申请号：US13000317
申请日：2010-12-08
申请人： Hajime Mori , Norihiko Kawakami , Hiroshi Hirayama , Katsumi Ouchi
发明人： Hajime Mori , Norihiko Kawakami , Hiroshi Hirayama , Katsumi Ouchi
IPC分类号： G06F12/02
CPC分类号： G06F3/0641 , G06F3/061
摘要： It is an object of the present invention to provide a storage apparatus that can suppress access performance degradation owing to processing of data deduplication. The storage apparatus according to the present invention acquires a sum of the access frequencies to each of redundantly allocated pieces of data, and performs the deduplication on the pieces of data having the sum of access frequencies less than a prescribed threshold.
摘要翻译：本发明的目的是提供一种可以抑制由于重复数据删除处理而导致的访问性能下降的存储装置。根据本发明的存储装置获取对每个冗余分配的数据片段的访问频率的总和，并且对具有小于规定阈值的访问频率之和的数据段执行重复数据消除。

25. 发明授权

US08423795B2 Storage controller comprising encryption function, data encryption method, and storage system 有权
标题翻译：存储控制器包括加密功能，数据加密方法和存储系统
公开(公告)号：US08423795B2
公开(公告)日：2013-04-16
申请号：US11969446
申请日：2008-01-04
申请人： Norihiko Kawakami
发明人： Norihiko Kawakami
IPC分类号： G06F11/30
CPC分类号： G06F12/1408 , G06F11/1448 , G06F11/1458 , G06F21/805
摘要： Proposed are a storage controller equipped with an encryption function, a data encryption method, and a storage system enabling a user to apply one's desired encryption policy to data received from a computer or the like. This storage controller includes a storage apparatus for storing data from a computer, and a controller for controlling the input and output of data stored in the storage apparatus. The controller has a configuration information management unit for managing configuration information of attributes concerning an encryption function as information for encrypting data, and an encryption execution unit for performing encryption of data from the computer and data stored in the storage apparatus based on the configuration information of attributes concerning the encryption function.
摘要翻译：提出了配备有加密功能的存储控制器，数据加密方法和使得用户能够对从计算机等接收的数据应用期望的加密策略的存储系统。该存储控制器包括用于存储来自计算机的数据的存储装置和用于控制存储在存储装置中的数据的输入和输出的控制器。控制器具有配置信息管理单元，用于管理与加密功能相关的属性的配置信息，作为用于加密数据的信息;以及加密执行单元，用于根据存储在存储设备中的数据的配置信息执行来自计算机的数据的加密和数据的存储关于加密功能的属性。

26. 发明申请

US20090271638A1 Storage system with an encryption function 审中-公开
标题翻译：具有加密功能的存储系统
公开(公告)号：US20090271638A1
公开(公告)日：2009-10-29
申请号：US12007876
申请日：2008-01-16
申请人： Norihiko Kawakami , Akira Nishimoto , Junji Ogawa
发明人： Norihiko Kawakami , Akira Nishimoto , Junji Ogawa
IPC分类号： G06F12/14 , H04L9/00
CPC分类号： H04L9/0822 , G06F21/805 , H04L9/0891
摘要： To reduce the performance degradation of storage system, this invention provides a storage system comprising a disk drive and a disk controller. The disk controller provides a storage area of the disk drive to a host computer; executes a processing of switching an encryption key that is used to encrypt data stored in the logical volume from a first encryption key to a second encryption key; encrypts write data requested to be written with the second encryption key when the write request for one of storage areas within the logical volume that stores data for which switching of encryption keys has not been finished is received while the encryption key switching processing is being executed; and writes the encrypted write data in the logical volume to switch encryption keys for data stored in the storage area where the data is requested to be written by the received write request.
摘要翻译：为了减少存储系统的性能下降，本发明提供一种包括磁盘驱动器和磁盘控制器的存储系统。磁盘控制器将磁盘驱动器的存储区域提供给主机; 执行切换用于将存储在逻辑卷中的数据从第一加密密钥加密到第二加密密钥的加密密钥的处理; 在执行加密密钥切换处理的同时，接收在存储加密密钥切换尚未结束的数据的逻辑卷中的一个存储区域的写入请求之后，加密第二加密密钥请求写入的写入数据; 并将加密的写入数据写入逻辑卷以切换存储在存储区域中的数据的加密密钥，在该存储区域中请求由所接收的写入请求写入数据。

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