公开(公告)号：US07627584B2

公开(公告)日：2009-12-01

申请号：US11603504

申请日：2006-11-22

申请人： George H. Claborn ,  Stephen John Vivian ,  Robert R. McGuirk ,  Mahesh Baburao Girkar ,  Benedito Elmo Garin, Jr. ,  Raymond Guzman ,  Douglas Voss

发明人： George H. Claborn ,  Stephen John Vivian ,  Robert R. McGuirk ,  Mahesh Baburao Girkar ,  Benedito Elmo Garin, Jr. ,  Raymond Guzman ,  Douglas Voss

IPC分类号： G06F7/00

CPC分类号： G06F11/2028 ,  G06F11/2025 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082 ,  Y10S707/99942 ,  Y10S707/99943 ,  Y10S707/99945 ,  Y10S707/99953

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US07668879B2

公开(公告)日：2010-02-23

申请号：US11603503

申请日：2006-11-22

申请人： Stephen John Vivian ,  Robert R. McGulrk ,  George H. Claborn ,  Mahesh Baburao Girkar ,  Benedito Elmo Garin, Jr. ,  Raymond Guzman ,  Douglas Voss

发明人： Stephen John Vivian ,  Robert R. McGulrk ,  George H. Claborn ,  Mahesh Baburao Girkar ,  Benedito Elmo Garin, Jr. ,  Raymond Guzman ,  Douglas Voss

IPC分类号： G06F12/00

CPC分类号： G06F11/2028 ,  G06F11/2025 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US08255369B2

公开(公告)日：2012-08-28

申请号：US11604063

申请日：2006-11-24

申请人： Jiangbin Luo ,  George H. Claborn ,  Stephen John Vivian ,  Steve Tiahung Lee ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin, Jr.

发明人： Jiangbin Luo ,  George H. Claborn ,  Stephen John Vivian ,  Steve Tiahung Lee ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin, Jr.

IPC分类号： G06F17/00

CPC分类号： G06F11/1482 ,  G06F11/2023 ,  G06F11/2025 ,  G06F11/2028 ,  G06F11/2041 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082 ,  G06F11/2097

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US20080126845A1

公开(公告)日：2008-05-29

申请号：US11604063

申请日：2006-11-24

申请人： Jiangbin Luo ,  George H. Claborn ,  Stephen John Vivian ,  Steve Tiahung Lee ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin

发明人： Jiangbin Luo ,  George H. Claborn ,  Stephen John Vivian ,  Steve Tiahung Lee ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin

IPC分类号： G06F11/30

CPC分类号： G06F11/1482 ,  G06F11/2023 ,  G06F11/2025 ,  G06F11/2028 ,  G06F11/2041 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082 ,  G06F11/2097

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US08630985B2

公开(公告)日：2014-01-14

申请号：US13592152

申请日：2012-08-22

申请人： Jiangbin Luo ,  George H. Claborn ,  Stephen John Vivian ,  Steve Taihung Lee ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin, Jr.

发明人： Jiangbin Luo ,  George H. Claborn ,  Stephen John Vivian ,  Steve Taihung Lee ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin, Jr.

IPC分类号： G06F17/00

CPC分类号： G06F11/1482 ,  G06F11/2023 ,  G06F11/2025 ,  G06F11/2028 ,  G06F11/2041 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082 ,  G06F11/2097

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US07734596B2

公开(公告)日：2010-06-08

申请号：US11604064

申请日：2006-11-24

申请人： Stephen John Vivian ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin, Jr.

发明人： Stephen John Vivian ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin, Jr.

IPC分类号： G06F17/00

CPC分类号： G06F11/2028 ,  G06F11/1482 ,  G06F11/2023 ,  G06F11/2025 ,  G06F11/2041 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082 ,  G06F11/2097

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US20080126846A1

公开(公告)日：2008-05-29

申请号：US11604064

申请日：2006-11-24

申请人： Stephen John Vivian ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin

发明人： Stephen John Vivian ,  Raymond Guzman ,  Douglas Andrew Voss ,  Benedicto Elmo Garin

IPC分类号： G06F11/30

CPC分类号： G06F11/2028 ,  G06F11/1482 ,  G06F11/2023 ,  G06F11/2025 ,  G06F11/2041 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082 ,  G06F11/2097

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US20070124347A1

公开(公告)日：2007-05-31

申请号：US11603503

申请日：2006-11-22

申请人： Stephen Vivian ,  Robert McGuirk ,  George Claborn ,  Mahesh Girkar ,  Benedito Garin ,  Raymond Guzman ,  Douglas Voss

发明人： Stephen Vivian ,  Robert McGuirk ,  George Claborn ,  Mahesh Girkar ,  Benedito Garin ,  Raymond Guzman ,  Douglas Voss

IPC分类号： G06F17/30

CPC分类号： G06F11/2028 ,  G06F11/2025 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

摘要翻译： 在具有主数据库系统，备用数据库系统和观察者的自动故障转移配置中使用的技术，用于防止主数据库系统和备用数据库系统之间的分歧，同时增加主数据库系统的可用性。 在自动故障切换配置中，只要备用和观察器顺序不存在，主数据库系统即使没有备用和观察器也保持可用。 故障转移配置进一步允许自动故障转移只有当观察者存在并且备用和主要同步并且在故障切换期间禁止状态更改。 数据库系统和观察者具有故障切换配置状态的副本，并且技术包括用于在数据库和观察者之间传播最新版本的状态的技术以及使用仔细排序的写入的技术，以确保状态改变以一种方式传播 防止发散。

公开(公告)号：US20070124348A1

公开(公告)日：2007-05-31

申请号：US11603504

申请日：2006-11-22

申请人： George Claborn ,  Stephen Vivian ,  Robert McGuirk ,  Mahesh Girkar ,  Benedito Garin ,  Raymond Guzman ,  Douglas Voss

发明人： George Claborn ,  Stephen Vivian ,  Robert McGuirk ,  Mahesh Girkar ,  Benedito Garin ,  Raymond Guzman ,  Douglas Voss

IPC分类号： G06F17/30

CPC分类号： G06F11/2028 ,  G06F11/2025 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2082 ,  Y10S707/99942 ,  Y10S707/99943 ,  Y10S707/99945 ,  Y10S707/99953

摘要： Techniques used in an automatic failover configuration having a primary database system, a standby database system, and an observer for preventing divergence among the primary and standby database systems while increasing the availability of the primary database system. In the automatic failover configuration, the primary database system remains available even in the absence of both the standby and the observer as long as the standby and the observer become absent sequentially. The failover configuration further permits automatic failover only when the observer is present and the standby and the primary are synchronized and inhibits state changes during failover. The database systems and the observer have copies of failover configuration state and the techniques include techniques for propagating the most recent version of the state among the databases and the observer and techniques for using carefully-ordered writes to ensure that state changes are propagated in a fashion which prevents divergence.

公开(公告)号：US08949367B2

公开(公告)日：2015-02-03

申请号：US13286070

申请日：2011-10-31

申请人： Steven Wertheimer ,  Muthu Olagappan ,  Raymond Guzman ,  William Fisher ,  Anand Beldalker ,  Venky Nagaraja Rao ,  Chris Plakyda ,  Debjyoti Roy ,  Senad Dizdar

发明人： Steven Wertheimer ,  Muthu Olagappan ,  Raymond Guzman ,  William Fisher ,  Anand Beldalker ,  Venky Nagaraja Rao ,  Chris Plakyda ,  Debjyoti Roy ,  Senad Dizdar

IPC分类号： G06F15/167 ,  G06F11/14

CPC分类号： G06F11/1448 ,  G06F11/1456 ,  G06F11/1458 ,  G06F11/1464

摘要： Techniques for cooperative storage management are described. According to embodiments described herein, a storage server stores backup data for a plurality of client systems, including a first client system and one or more other client systems. The storage server receives a request from the first client system to store new backup data. In response to the request from the first client system, the storage server determines which backup data to delete to make space for the new backup data based, at least in part, on retention duration goals associated with the one or more other client systems. The retention duration goals indicate that the client desires to be able to recover data at least as old as a specified age. The storage server may also determine which backup data to delete based, at least in part, on respective minimum space parameter values for the other client systems.

摘要翻译： 描述了用于协作存储管理的技术。 根据本文所述的实施例，存储服务器存储用于多个客户端系统的备份数据，包括第一客户端系统和一个或多个其他客户端系统。 存储服务器接收来自第一客户端系统的存储新备份数据的请求。 响应于来自第一客户端系统的请求，存储服务器至少部分地基于与一个或多个其他客户端系统相关联的保持持续时间目标来确定要删除哪些备份数据以便为新备份数据腾出空间。 保留期限目标表明客户希望能够恢复至少与规定年龄相同的数据。 至少部分地，存储服务器还可以基于其他客户端系统的相应的最小空间参数值来确定要删除的哪个备份数据。