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1. 发明授权

US10289506B2 Storage device health status synchronization 有权
公开(公告)号：US10289506B2
公开(公告)日：2019-05-14
申请号：US15162536
申请日：2016-05-23
申请人： NetApp Inc.
发明人： Daniel Curtis Wilson , Deepan Natesan Seeralan , Kyle Diggs Sterling , Linda Ann Riedle , Loellyn Jane Cassell , Mayank Saxena , Sandeep T. Nirmale
IPC分类号： G06F11/20 , G06F11/16 , G06F11/30
摘要： One or more techniques and/or systems are provided for storage device health status synchronization. For example, a first health status registry is maintained for a first storage controller at a first storage site. The first storage controller stores storage device health status information of storage devices currently owned by or assigned to the first storage controller within the first health status registry. A second health status registry is maintained for a second storage controller at a second storage site. The second storage controller stores storage device health status information of storage device currently owned by or assigned to the second storage controller within the second health status registry. The first health status registry and the second health status registry are synchronized during operation of the first storage site and the second storage site and/or are merged between the first storage site and the second storage site after disaster recovery.

2. 发明申请

US20150269043A1 STORAGE DEVICE HEALTH STATUS SYNCHRONIZATION 有权
标题翻译：存储设备健康状态同步
公开(公告)号：US20150269043A1
公开(公告)日：2015-09-24
申请号：US14220768
申请日：2014-03-20
申请人： NetApp Inc.
发明人： Daniel Curtis Wilson , Deepan Natesan Seeralan , Kyle Diggs Sterling , Linda Ann Riedle , Loellyn Jane Cassell , Mayank Saxena , Sandeep T. Nirmale
IPC分类号： G06F11/20 , G06F11/16
CPC分类号： G06F3/065 , G06F3/0619 , G06F3/0683 , G06F11/1658 , G06F11/2092 , G06F11/2094 , G06F11/3006 , G06F11/3055 , G06F2201/805 , H04L1/08
摘要： One or more techniques and/or systems are provided for storage device health status synchronization. For example, a first health status registry is maintained for a first storage controller at a first storage site. The first storage controller stores storage device health status information of storage devices currently owned by or assigned to the first storage controller within the first health status registry. A second health status registry is maintained for a second storage controller at a second storage site. The second storage controller stores storage device health status information of storage device currently owned by or assigned to the second storage controller within the second health status registry. The first health status registry and the second health status registry are synchronized during operation of the first storage site and the second storage site and/or are merged between the first storage site and the second storage site after disaster recovery.
摘要翻译：为存储设备健康状态同步提供一个或多个技术和/或系统。例如，为第一存储站点处的第一存储控制器维护第一健康状态注册表。第一存储控制器存储第一健康状态注册表中当前拥有或分配给第一存储控制器的存储设备的存储设备健康状况信息。在第二个存储站点为第二个存储控制器维护第二个健康状态注册表。第二存储控制器存储第二健康状态注册表中当前拥有或分配给第二存储控制器的存储设备的存储设备健康状态信息。在第一个存储站点和第二个存储站点的操作期间，第一个健康状态注册表和第二个健康状态注册表被同步，和/或在灾难恢复后在第一个存储站点和第二个存储站点之间进行合并。

3. 发明授权

US10853210B2 Storage device health status synchronization 有权
公开(公告)号：US10853210B2
公开(公告)日：2020-12-01
申请号：US16353049
申请日：2019-03-14
申请人： NetApp Inc.
发明人： Daniel Curtis Wilson , Deepan Natesan Seeralan , Kyle Diggs Sterling , Linda Ann Riedle , Loellyn Jane Cassell , Mayank Saxena , Sandeep T. Nirmale
IPC分类号： G06F11/20 , G06F11/16 , G06F11/30
摘要： One or more techniques and/or systems are provided for storage device health status synchronization. For example, a first health status registry is maintained for a first storage controller at a first storage site. The first storage controller stores storage device health status information of storage devices currently owned by or assigned to the first storage controller within the first health status registry. A second health status registry is maintained for a second storage controller at a second storage site. The second storage controller stores storage device health status information of storage device currently owned by or assigned to the second storage controller within the second health status registry. The first health status registry and the second health status registry are synchronized during operation of the first storage site and the second storage site and/or are merged between the first storage site and the second storage site after disaster recovery.

4. 发明申请

US20190205228A1 STORAGE DEVICE HEALTH STATUS SYNCHRONIZATION 审中-公开
公开(公告)号：US20190205228A1
公开(公告)日：2019-07-04
申请号：US16353049
申请日：2019-03-14
申请人： NetApp Inc.
发明人： Daniel Curtis Wilson , Deepan Natesan Seeralan , Kyle Diggs Sterling , Linda Ann Riedle , Loellyn Jane Cassell , Mayank Saxena , Sandeep T. Nirmale
IPC分类号： G06F11/20 , G06F11/30 , G06F11/16
CPC分类号： G06F11/2092 , G06F11/1658 , G06F11/3006 , G06F11/3055
摘要： One or more techniques and/or systems are provided for storage device health status synchronization. For example, a first health status registry is maintained for a first storage controller at a first storage site. The first storage controller stores storage device health status information of storage devices currently owned by or assigned to the first storage controller within the first health status registry. A second health status registry is maintained for a second storage controller at a second storage site. The second storage controller stores storage device health status information of storage device currently owned by or assigned to the second storage controller within the second health status registry. The first health status registry and the second health status registry are synchronized during operation of the first storage site and the second storage site and/or are merged between the first storage site and the second storage site after disaster recovery.

5. 发明授权

US10078473B2 Resource allocation in networked storage systems 有权
公开(公告)号：US10078473B2
公开(公告)日：2018-09-18
申请号：US15057952
申请日：2016-03-01
申请人： NETAPP, INC.
发明人： Reyaz Ahmed , Mayank Saxena , Todd Jason Mills , Aleksandr Khasymski
IPC分类号： G06F15/16 , G06F3/06 , H04L29/08
CPC分类号： G06F3/067 , G06F3/061 , G06F3/0659 , H04L29/08072 , H04L69/329
摘要： Methods and systems for a storage environment are provided. A policy for an input/output (I/O) stream having a plurality of I/O requests for accessing storage at a storage device of the storage sub-system is translated into flow attributes so that the I/O stream can be assigned to one of a plurality of queues maintained for placing I/O requests based on varying priorities defined by set polices. When an I/O request for the associated policy is received by the storage sub-system; the storage sub-system determines a flow attribute associated with the I/O request and the policy; selects a queue for staging the I/O request, such that the selected queue is of either higher priority than what is indicated by the flow attribute or at least of a same priority as indicated by the flow attribute; and allocates storage sub-system resource for processing the received I/O request.

6. 发明申请

US20160266810A1 STORAGE DEVICE HEALTH STATUS SYNCHRONIZATION 审中-公开
公开(公告)号：US20160266810A1
公开(公告)日：2016-09-15
申请号：US15162536
申请日：2016-05-23
申请人： NetApp Inc.
发明人： Daniel Curtis Wilson , Deepan Natesan Seeralan , Kyle Diggs Sterling , Linda Ann Riedle , Loellyn Jane Cassell , Mayank Saxena , Sandeep T. Nirmale
IPC分类号： G06F3/06 , H04L1/08 , G06F11/20
CPC分类号： G06F11/2092 , G06F11/1658 , G06F11/3006 , G06F11/3055
摘要： One or more techniques and/or systems are provided for storage device health status synchronization. For example, a first health status registry is maintained for a first storage controller at a first storage site. The first storage controller stores storage device health status information of storage devices currently owned by or assigned to the first storage controller within the first health status registry. A second health status registry is maintained for a second storage controller at a second storage site. The second storage controller stores storage device health status information of storage device currently owned by or assigned to the second storage controller within the second health status registry. The first health status registry and the second health status registry are synchronized during operation of the first storage site and the second storage site and/or are merged between the first storage site and the second storage site after disaster recovery.

7. 发明授权

US09304700B2 Method and system for remotely controlling a storage shelf of a storage system 有权
标题翻译：用于远程控制存储系统的存储架的方法和系统
公开(公告)号：US09304700B2
公开(公告)日：2016-04-05
申请号：US13865545
申请日：2013-04-18
申请人： NETAPP, INC.
发明人： Mayank Saxena , Rohan Gupta
IPC分类号： G06F1/32 , G06F3/06
CPC分类号： G06F3/0625 , G06F1/3203 , G06F3/0605 , G06F3/0634 , G06F3/0689 , Y02D10/154
摘要： System and method for remotely performing a power cycle operation for a storage shelf of a storage server using a control path independent of a data path used for processing I/O requests is provided. The storage server maintains a data structure for storing information regarding a state of a plurality of power latches that are used to control power for the storage shelf having an alternate control path module for receiving control commands via the control path. Depending on the state of the plurality of power latches, the storage server sends one or more commands to the alternate control path module to turn off power to the storage shelf during a power cycle operation. When the power shelf is powered off, the storage server waits for a certain duration and then sends one or more power on commands to the alternate control path module to power on the storage shelf.
摘要翻译：提供了使用独立于用于处理I / O请求的数据路径的控制路径远程执行存储服务器的存储架的电力循环操作的系统和方法。存储服务器维护用于存储关于用于控制具有用于经由控制路径接收控制命令的备用控制路径模块的存储架的电力的多个电源锁存器的状态的信息的数据结构。根据多个电源锁存器的状态，存储服务器将一个或多个命令发送到备用控制路径模块，以在电力循环操作期间关闭对存储架的电力。当电源柜关闭电源时，存储服务器等待一段时间，然后将一个或多个电源启动命令发送到备用控制路径模块，以启动存储机架。

8. 发明授权

US09836364B2 In-band recovery mechanism for I/O modules in a data storage system 有权
公开(公告)号：US09836364B2
公开(公告)日：2017-12-05
申请号：US14864059
申请日：2015-09-24
申请人： NetApp, Inc.
发明人： Mayank Saxena , Melvin McGee
IPC分类号： G06F11/20 , H04L12/707 , G06F13/42 , H04L12/801
CPC分类号： G06F11/201 , G06F11/0727 , G06F11/0793 , G06F11/2012 , G06F11/2089 , G06F13/426 , G06F2201/805 , G06F2201/85 , H04L45/22 , H04L47/35
摘要： Technology is disclosed for recovering I/O modules in a storage system using in-band alternate control path (ACP) architecture (“the technology”). The technology enables a storage server to transmit control commands, e.g., for recovering an I/O module, to the I/O module over a data path that is typically used to transmit data commands. The control commands are typically transmitted using ACP that is separate from the data path. By enabling transmission of control commands over the data path, the technology eliminates the need for separate medium for ACP, at least in part, to transmit the control commands. The technology can be implemented in a pure in-band ACP mode, which supports recovering an I/O module of a storage shelf in which at least one I/O module is responsive, and/or in a mixed in-band ACP mode, which supports recovery of I/O modules of a storage shelf in which all I/O modules are non-responsive.

9. 发明申请

US20160283135A1 RESOURCE ALLOCATION IN NETWORKED STORAGE SYSTEMS 审中-公开
标题翻译：网络存储系统资源分配
公开(公告)号：US20160283135A1
公开(公告)日：2016-09-29
申请号：US15057952
申请日：2016-03-01
申请人： NETAPP, INC.
发明人： Reyaz Ahmed , Mayank Saxena , Todd Jason Mills , Aleksandr Khasymski
IPC分类号： G06F3/06
CPC分类号： G06F3/067 , G06F3/061 , G06F3/0659 , H04L29/08072
摘要： Methods and systems for a storage environment are provided. A policy for an input/output (I/O) stream having a plurality of I/O requests for accessing storage at a storage device of the storage sub-system is translated into flow attributes so that the I/O stream can be assigned to one of a plurality of queues maintained for placing I/O requests based on varying priorities defined by set polices. When an I/O request for the associated policy is received by the storage sub-system; the storage sub-system determines a flow attribute associated with the I/O request and the policy; selects a queue for staging the I/O request, such that the selected queue is of either higher priority than what is indicated by the flow attribute or at least of a same priority as indicated by the flow attribute; and allocates storage sub-system resource for processing the received I/O request.
摘要翻译：提供了存储环境的方法和系统。具有用于访问在存储子系统的存储设备处的存储的多个I / O请求的输入/输出（I / O）流的策略被转换成流属性，使得可以将I / O流分配给基于由设定的策略定义的不同优先级来维护用于放置I / O请求的多个队列之一。当存储子系统接收到关联策略的I / O请求时; 存储子系统确定与I / O请求和策略相关联的流属性; 选择用于分段I / O请求的队列，使得所选队列的优先级高于由流属性指示的优先级或至少具有由流属性指示的优先级相同的优先级; 并分配用于处理所接收的I / O请求的存储子系统资源。

10. 发明申请

US20160019124A1 IN-BAND RECOVERY MECHANISM FOR I/O MODULES IN A DATA STORAGE SYSTEM 审中-公开
公开(公告)号：US20160019124A1
公开(公告)日：2016-01-21
申请号：US14864059
申请日：2015-09-24
申请人： NetApp, Inc.
发明人： Mayank Saxena , Melvin McGee
IPC分类号： G06F11/20
CPC分类号： G06F11/201 , G06F11/0727 , G06F11/0793 , G06F11/2012 , G06F11/2089 , G06F13/426 , G06F2201/805 , G06F2201/85 , H04L45/22 , H04L47/35
摘要： Technology is disclosed for recovering I/O modules in a storage system using in-band alternate control path (ACP) architecture (“the technology”). The technology enables a storage server to transmit control commands, e.g., for recovering an I/O module, to the I/O module over a data path that is typically used to transmit data commands. The control commands are typically transmitted using ACP that is separate from the data path. By enabling transmission of control commands over the data path, the technology eliminates the need for separate medium for ACP, at least in part, to transmit the control commands. The technology can be implemented in a pure in-band ACP mode, which supports recovering an I/O module of a storage shelf in which at least one I/O module is responsive, and/or in a mixed in-band ACP mode, which supports recovery of I/O modules of a storage shelf in which all I/O modules are non-responsive.

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