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1. 发明授权

US08856450B2 Systems for managing a cache in a multi-node virtual tape controller 有权
标题翻译：用于管理多节点虚拟磁带控制器中的缓存的系统
公开(公告)号：US08856450B2
公开(公告)日：2014-10-07
申请号：US12693359
申请日：2010-01-25
申请人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
发明人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
IPC分类号： G06F12/00 , G06F12/08
CPC分类号： G06F12/0871 , G06F3/0608 , G06F3/0652 , G06F3/0653 , G06F3/0665 , G06F3/0686 , G06F12/0808 , G06F12/084 , G06F12/0866 , G06F2003/0698 , G06F2212/1044 , G06F2212/152 , G06F2212/2024 , G06F2212/213 , G06F2212/261 , G06F2212/6042 , G06F2212/70
摘要： According to one embodiment, a system includes a virtual tape library having a cache, a virtual tape controller (VTC) coupled to the virtual tape library, and an interface for coupling at least one host to the VTC. The cache is shared by all the hosts, and a common view of a cache state, a virtual library state, and a number of write requests pending is provided to all the hosts by the VTC.
摘要翻译：根据一个实施例，系统包括具有高速缓存的虚拟磁带库，耦合到虚拟磁带库的虚拟磁带控制器（VTC）以及用于将至少一个主机耦合到VTC的接口。高速缓存由所有主机共享，并且VTC向所有主机提供高速缓存状态，虚拟库状态以及待处理写入请求数的常见视图。

2. 发明申请

US20110185117A1 SYSTEMS AND METHODS FOR MANAGING A CACHE IN A MULTI-NODE VIRTUAL TAPE CONTROLLER 有权
标题翻译：用于管理多节点虚拟磁带控制器中的缓存的系统和方法
公开(公告)号：US20110185117A1
公开(公告)日：2011-07-28
申请号：US12693359
申请日：2010-01-25
申请人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
发明人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
IPC分类号： G06F12/00 , G06F12/08
CPC分类号： G06F12/0871 , G06F3/0608 , G06F3/0652 , G06F3/0653 , G06F3/0665 , G06F3/0686 , G06F12/0808 , G06F12/084 , G06F12/0866 , G06F2003/0698 , G06F2212/1044 , G06F2212/152 , G06F2212/2024 , G06F2212/213 , G06F2212/261 , G06F2212/6042 , G06F2212/70
摘要： According to one embodiment, a system includes a virtual tape library having a cache, a virtual tape controller (VTC) coupled to the virtual tape library, and an interface for coupling at least one host to the VTC. The cache is shared by all the hosts, and a common view of a cache state, a virtual library state, and a number of write requests pending is provided to all the hosts by the VTC. In another embodiment, a method includes receiving data from at least one host using a VTC, storing data received from all the hosts to a cache using the VTC, sending an alert to all the hosts when free space is low and entering into a warning state, sending another alert to all the hosts when free space is critically low and entering into a critical state while allowing previously mounted virtual drives to continue normally.
摘要翻译：根据一个实施例，系统包括具有高速缓存的虚拟磁带库，耦合到虚拟磁带库的虚拟磁带控制器（VTC）以及用于将至少一个主机耦合到VTC的接口。高速缓存由所有主机共享，并且VTC向所有主机提供高速缓存状态，虚拟库状态以及待处理写入请求数的常见视图。在另一个实施例中，一种方法包括使用VTC从至少一个主机接收数据，使用VTC将从所有主机接收的数据存储到高速缓存，当自由空间较低并进入警告状态时向所有主机发送警报，当可用空间严重降低并进入关键状态，同时允许先前安装的虚拟驱动器正常继续时，向所有主机发送另一个警报。

3. 发明授权

US09037802B2 Methods for managing a cache in a multi-node virtual tape controller 有权
标题翻译：管理多节点虚拟磁带控制器中的缓存的方法
公开(公告)号：US09037802B2
公开(公告)日：2015-05-19
申请号：US13483827
申请日：2012-05-30
申请人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
发明人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
IPC分类号： G06F12/00 , G06F12/08
CPC分类号： G06F12/0871 , G06F3/0608 , G06F3/0652 , G06F3/0653 , G06F3/0665 , G06F3/0686 , G06F12/0808 , G06F12/084 , G06F12/0866 , G06F2003/0698 , G06F2212/1044 , G06F2212/152 , G06F2212/2024 , G06F2212/213 , G06F2212/261 , G06F2212/6042 , G06F2212/70
摘要： According to one embodiment, a method for managing cache space in a virtual tape controller includes receiving data from at least one host using the virtual tape controller; storing data received from the at least one host to a cache using the virtual tape controller; sending a first alert to the at least one host when a cache free space size is less than a first threshold and entering into a warning state using the virtual tape controller; sending a second alert to the at least one host when the cache free space size is less than a second threshold and entering into a critical state using the virtual tape controller; and allowing previously mounted virtual drives to continue normal writing activity when in the critical state.
摘要翻译：根据一个实施例，一种用于管理虚拟磁带控制器中的高速缓存空间的方法包括：使用虚拟磁带控制器从至少一个主机接收数据; 使用所述虚拟磁带控制器将从所述至少一个主机接收的数据存储到高速缓存; 当高速缓存可用空间大小小于第一阈值并使用虚拟磁带控制器进入警告状态时，向所述至少一个主机发送第一警报; 当所述高速缓存可用空间大小小于第二阈值并使用所述虚拟磁带控制器进入临界状态时，向所述至少一个主机发送第二警报; 并允许以前安装的虚拟驱动器在处于临界状态时继续正常的写入活动。

4. 发明申请

US20120239878A1 METHODS FOR MANAGING A CACHE IN A MULTI-NODE VIRTUAL TAPE CONTROLLER 有权
标题翻译：用于管理多节点虚拟磁带控制器中的高速缓存的方法
公开(公告)号：US20120239878A1
公开(公告)日：2012-09-20
申请号：US13483827
申请日：2012-05-30
申请人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
发明人： Ralph T. Beeston , Erika M. Dawson , Duke A. Lee , David Luciani , Joel K. Lyman
IPC分类号： G06F12/08
CPC分类号： G06F12/0871 , G06F3/0608 , G06F3/0652 , G06F3/0653 , G06F3/0665 , G06F3/0686 , G06F12/0808 , G06F12/084 , G06F12/0866 , G06F2003/0698 , G06F2212/1044 , G06F2212/152 , G06F2212/2024 , G06F2212/213 , G06F2212/261 , G06F2212/6042 , G06F2212/70
摘要： According to one embodiment, a method for managing cache space in a virtual tape controller includes receiving data from at least one host using the virtual tape controller; storing data received from the at least one host to a cache using the virtual tape controller; sending a first alert to the at least one host when a cache free space size is less than a first threshold and entering into a warning state using the virtual tape controller; sending a second alert to the at least one host when the cache free space size is less than a second threshold and entering into a critical state using the virtual tape controller; and allowing previously mounted virtual drives to continue normal writing activity when in the critical state.
摘要翻译：根据一个实施例，一种用于管理虚拟磁带控制器中的高速缓存空间的方法包括：使用虚拟磁带控制器从至少一个主机接收数据; 使用所述虚拟磁带控制器将从所述至少一个主机接收的数据存储到高速缓存; 当高速缓存可用空间大小小于第一阈值并使用虚拟磁带控制器进入警告状态时，向所述至少一个主机发送第一警报; 当所述高速缓存可用空间大小小于第二阈值并使用所述虚拟磁带控制器进入临界状态时，向所述至少一个主机发送第二警报; 并允许以前安装的虚拟驱动器在处于临界状态时继续正常的写入活动。

5. 发明申请

US20140032957A1 SYNCHRONOUS MODE REPLICATION TO MULTIPLE CLUSTERS 有权
标题翻译：同步模式复用到多个集群
公开(公告)号：US20140032957A1
公开(公告)日：2014-01-30
申请号：US13558274
申请日：2012-07-25
申请人： Ralph T. Beeston , Erika M. Dawson , Gavin S. Johnson , Katsuyoshi Katori , Joseph M. Swingler
发明人： Ralph T. Beeston , Erika M. Dawson , Gavin S. Johnson , Katsuyoshi Katori , Joseph M. Swingler
IPC分类号： G06F15/167 , G06F11/07
CPC分类号： G06F11/2097 , G06F3/065 , G06F11/2094
摘要： Provided are a computer program product, system, and method for synchronous mode replication to multiple clusters receiving a write to a volume from a host. A received write is cached in a memory. A determination is made of a replication rule indicating one of a plurality of replication modes for a first cluster and a second cluster used for replication for the write, wherein one of the replication modes comprises a synchronous mode. A determination is made that the replication rule indicates a synchronous mode for the first and the second clusters. The write is transmitted from the memory to the first cluster to store in a first non-volatile storage of the first cluster and to the second cluster to store in a second non-volatile storage in response to determining that the replication rule indicates the synchronous mode.
摘要翻译：提供了一种用于同步模式复制到多个集群的计算机程序产品，系统和方法，其接收来自主机的卷的写入。接收到的写入缓存在内存中。确定指示用于第一集群的多个复制模式之一的复制规则和用于写入的复制的第二集群，其中一个复制模式包括同步模式。确定复制规则指示第一和第二集群的同步模式。响应于确定复制规则指示同步模式，写入从存储器发送到第一集群以存储在第一集群的第一非易失性存储器中并且存储到第二集群中以存储在第二非易失性存储器中。

6. 发明授权

US09229829B2 Synchronous mode replication to multiple clusters 有权
标题翻译：同步模式复制到多个集群
公开(公告)号：US09229829B2
公开(公告)日：2016-01-05
申请号：US13558274
申请日：2012-07-25
申请人： Ralph T. Beeston , Erika M. Dawson , Gavin S. Johnson , Katsuyoshi Katori , Joseph M. Swingler
发明人： Ralph T. Beeston , Erika M. Dawson , Gavin S. Johnson , Katsuyoshi Katori , Joseph M. Swingler
IPC分类号： G06F11/20 , G06F3/06
CPC分类号： G06F11/2097 , G06F3/065 , G06F11/2094
摘要： Provided are a computer program product, system, and method for synchronous mode replication to multiple clusters receiving a write to a volume from a host. A received write is cached in a memory. A determination is made of a replication rule indicating one of a plurality of replication modes for a first cluster and a second cluster used for replication for the write, wherein one of the replication modes comprises a synchronous mode. A determination is made that the replication rule indicates a synchronous mode for the first and the second clusters. The write is transmitted from the memory to the first cluster to store in a first non-volatile storage of the first cluster and to the second cluster to store in a second non-volatile storage in response to determining that the replication rule indicates the synchronous mode.
摘要翻译：提供了一种用于同步模式复制到多个集群的计算机程序产品，系统和方法，其接收来自主机的卷的写入。接收到的写入缓存在内存中。确定指示用于第一集群的多个复制模式之一的复制规则和用于写入的复制的第二集群，其中一个复制模式包括同步模式。确定复制规则指示第一和第二集群的同步模式。响应于确定复制规则指示同步模式，写入从存储器发送到第一集群以存储在第一集群的第一非易失性存储器中并且存储到第二集群中以存储在第二非易失性存储器中。

7. 发明授权

US07991758B2 System and method for performing a search operation within a sequential access data storage subsystem 有权
标题翻译：用于在顺序访问数据存储子系统内执行搜索操作的系统和方法
公开(公告)号：US07991758B2
公开(公告)日：2011-08-02
申请号：US11221089
申请日：2005-09-07
申请人： Ralph T. Beeston , Paul M. Greco , Michael R. Noel , Cory G. Smith
发明人： Ralph T. Beeston , Paul M. Greco , Michael R. Noel , Cory G. Smith
IPC分类号： G06F17/30
CPC分类号： G06F3/0659 , G06F3/0611 , G06F3/0682 , G06F17/30132
摘要： A system and method for performing a search operation within a sequential access data storage subsystem are disclosed. According to one embodiment, a data storage subsystem is provided which comprises a search module and a communication channel interface to communicatively couple the data storage subsystem to a host data processing system via a communication channel. In the described embodiment, the search module is configured to receive search attribute data from the host data processing system via the communication channel interface, where the search attribute data specifies a search attribute. The search module is further configured to perform a search operation on data of a sequential access storage element utilizing the search attribute and to provide search result data to the host data processing system via the communication channel interface in response to a performance of the search operation.
摘要翻译：公开了一种用于在顺序访问数据存储子系统内执行搜索操作的系统和方法。根据一个实施例，提供了一种数据存储子系统，其包括搜索模块和通信信道接口，用于经由通信信道将数据存储子系统通信地耦合到主机数据处理系统。在所描述的实施例中，搜索模块被配置为经由通信信道接口从主机数据处理系统接收搜索属性数据，其中搜索属性数据指定搜索属性。所述搜索模块还被配置为利用所述搜索属性对顺序访问存储元件的数据执行搜索操作，并且响应于所述搜索操作的执行，经由所述通信信道接口向所述主机数据处理系统提供搜索结果数据。

8. 发明授权

US07870226B2 Method and system for an update synchronization of a domain information file 失效
标题翻译：域信息文件更新同步的方法和系统
公开(公告)号：US07870226B2
公开(公告)日：2011-01-11
申请号：US11388442
申请日：2006-03-24
申请人： Gary Anna , Ralph T. Beeston , Joel H. Chen , Joseph W. Dain
发明人： Gary Anna , Ralph T. Beeston , Joel H. Chen , Joseph W. Dain
IPC分类号： G06F15/16
CPC分类号： G06F17/30194
摘要： Within a distributed data processing domain including a requester data processing node and one or more target data processing nodes, an update synchronization of a domain information file as stored on each target data processing node with each domain information file including a local information file having local information an individual operation of the requester data processing node and a global information file having global information associated with a collective operation of all of the data processing nodes. First, the requester data processing node detects domain update information including local update information or global update information. Second, the requester data processing node synchronizes an update of the local information file or the global information file of each domain information file as stored on the target data processing node(s) based on the respective local update information or the respective global update information of the detected domain update information.
摘要翻译：在包括请求者数据处理节点和一个或多个目标数据处理节点的分布式数据处理域内，存储在每个目标数据处理节点上的域信息文件的更新同步，每个域信息文件包括具有本地信息的本地信息文件请求者数据处理节点的单独操作和具有与所有数据处理节点的集合操作相关联的全局信息的全局信息文件。首先，请求者数据处理节点检测包括本地更新信息或全局更新信息的域更新信息。第二，请求者数据处理节点基于各自的本地更新信息或各自的全局更新信息，将存储在目标数据处理节点上的每个域信息文件的本地信息文件或全局信息文件的更新同步检测到的域更新信息。

9. 发明申请

US20080126469A1 Transfer of Application Loggin Status Information Across Subsystem Nodes 失效
标题翻译：通过子系统节点传送应用程序登录状态信息
公开(公告)号：US20080126469A1
公开(公告)日：2008-05-29
申请号：US11461330
申请日：2006-07-31
申请人： Ralph T. Beeston , Thomas W. Bish , Joseph W. Dain , Henry Z. Liu , Daniel J. Winarski
发明人： Ralph T. Beeston , Thomas W. Bish , Joseph W. Dain , Henry Z. Liu , Daniel J. Winarski
IPC分类号： G06F15/16
CPC分类号： G06F11/3664
摘要： In a system including an application subsystem node having an application RSID table and a logging subsystem node having a logging RSID table, the application subsystem node makes a determination of a registration status of a ALSI string relative to the application RSID table during a logging operation of the ALSI string. The application subsystem node further transfers a RSID package from the application subsystem node across a network to the logging subsystem node, wherein the RSID package includes a RSID encoding of the ALSI string and conditionally includes the ALSI string based on the registration status of the ALIS string relative to the application RSID table as determined by the application subsystem node.
摘要翻译：在包括具有应用RSID表的应用子系统节点和具有记录RSID表的日志子系统节点的系统中，应用子系统节点在日志记录操作期间确定ALSI字符串相对于应用RSID表的注册状态 ALSI字符串。应用子系统节点还将RSID包从应用子系统节点通过网络传送到记录子系统节点，其中RSID包包括ALSI字符串的RSID编码，并且基于ALIS字符串的注册状态有条件地包括ALSI字符串相对于由应用子系统节点确定的应用RSID表。

10. 发明授权

US07337262B2 Adaptive read ahead method of data recorded on a sequential media readable via a variable data block size storage device 有权
标题翻译：通过可变数据块大小存储设备可读取的顺序媒体上记录的数据的自适应预读方法
公开(公告)号：US07337262B2
公开(公告)日：2008-02-26
申请号：US11119968
申请日：2005-05-02
申请人： Ralph T. Beeston , Cory G. Smith
发明人： Ralph T. Beeston , Cory G. Smith
IPC分类号： G06F12/00
CPC分类号： G06F12/0862 , G06F3/0613 , G06F3/0659 , G06F3/0682 , G06F12/0866
摘要： A read request of a sequential media from a host is executed with a read request data block size equal to a maximum recorded data block size parameter of the variable data block size storage device. Subsequently, if warranted, an adaptive read ahead data block size variable is set to equal a recorded data block size of data recorded on the sequential media that is responsive to the execution of the read request, and one or more read ahead requests of the sequential media are executed with a read ahead data block size equal to the adaptive read ahead data block size variable. The adaptive read ahead data block size variable is conditionally adjusted based on the recorded data block size(s) of data recorded on the sequential media that is responsive to the execution(s) of the read ahead request(s).
摘要翻译：以与可变数据块大小存储装置的最大记录数据块大小参数相等的读取请求数据块大小来执行来自主机的顺序媒体的读取请求。随后，如果需要，则自适应预读数据块大小变量被设置为等于记录在顺序介质上的响应于读请求的执行的数据的记录数据块大小，以及顺序的一个或多个预读请求媒体以等于自适应预读数据块大小变量的预读数据块大小执行。基于记录在顺序介质上的响应于先行请求执行的请求的数据的记录数据块大小来有条件地调整自适应预读数据块大小变量。

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