Managing memory in virtualized environments

    公开(公告)号:US09817756B1

    公开(公告)日:2017-11-14

    申请号:US13901346

    申请日:2013-05-23

    Abstract: Techniques are described for enabling a virtual machine to be presented with an amount of available guest memory, where a hypervisor or other privileged component manages the mapping of the guest memory to either volatile memory (e.g., RAM) or to secondary storage (e.g., SSD). This enables volatile memory to be effectively oversubscribed to on host computing devices that have a limited amount of total available volatile memory but which are running multiple virtual machines. For example, each virtual machine on the device can be presented as having access to the total amount of available RAM that is available on the device. The hypervisor or other virtualization component then monitors the usage of the memory by each virtual machine and shapes which portions of the guest memory for that virtual machine are mapped to RAM and which portions are mapped to secondary storage, such as SSD.

    Managing access of multiple executing programs to non-local block data storage
    5.
    发明授权
    Managing access of multiple executing programs to non-local block data storage 有权
    管理多个执行程序到非本地块数据存储的访问

    公开(公告)号:US09529550B2

    公开(公告)日:2016-12-27

    申请号:US14320254

    申请日:2014-06-30

    Abstract: Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store network-accessible block data storage volumes that may be used by programs executing on other physical computing systems. A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other physical computing systems at that data center. If a program using a volume becomes unavailable, another program (e.g., another copy of the same program) may in some situations obtain access to and continue to use the same volume, such as in an automatic manner in some such situations.

    Abstract translation: 描述了用于管理执行程序对非本地块数据存储的访问的技术。 在某些情况下,块数据存储服务使用多个服务器存储系统可靠地存储可由其他物理计算系统上执行的程序使用的网络可访问块数据存储卷。 存储块数据卷的一组多个服务器块数据存储系统可能在某些情况下可以位于数据中心,并且使用存储在其中的卷的程序可以在该数据中心的其他物理计算系统上执行。 如果使用卷的程序变得不可用,则在某些情况下,另一个程序(例如,相同程序的另一个副本)可以在某些情况下获得访问并继续使用相同的卷,例如以自动的方式。

    PROVIDING EXECUTING PROGRAMS WITH RELIABLE ACCESS TO NON-LOCAL BLOCK DATA STORAGE
    6.
    发明申请
    PROVIDING EXECUTING PROGRAMS WITH RELIABLE ACCESS TO NON-LOCAL BLOCK DATA STORAGE 有权
    提供可靠访问非本地数据存储的执行程序

    公开(公告)号:US20140281317A1

    公开(公告)日:2014-09-18

    申请号:US14288271

    申请日:2014-05-27

    CPC classification number: G06F11/1448 G06F9/5016

    Abstract: Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store block data that may be accessed over one or more networks by programs executing on other physical computing systems. Users may create block data storage volumes that are each stored by at least two of the server block data storage systems, and may initiate use of such volumes by one or more executing programs, such as in a reliable manner by enabling an automatic switch to a second volume copy if a first volume copy becomes unavailable. A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other physical computing systems at that data center.

    Abstract translation: 描述了用于管理执行程序对非本地块数据存储的访问的技术。 在某些情况下,块数据存储服务使用多个服务器存储系统来可靠地存储可以通过在其他物理计算系统上执行的程序在一个或多个网络上访问的块数据。 用户可以创建每个由至少两个服务器块数据存储系统存储的块数据存储卷,并且可以通过一个或多个执行程序来启动这样的卷的使用,诸如以可靠的方式通过使能自动切换到 第一个卷副本变得不可用的第二卷复制。 存储块数据卷的一组多个服务器块数据存储系统可能在某些情况下可以位于数据中心,并且使用存储在其中的卷的程序可以在该数据中心的其他物理计算系统上执行。

    PROVIDING EXECUTING PROGRAMS WITH ACCESS TO STORED BLOCK DATA OF OTHERS
    7.
    发明申请
    PROVIDING EXECUTING PROGRAMS WITH ACCESS TO STORED BLOCK DATA OF OTHERS 审中-公开
    提供执行程序访问其他存储数据

    公开(公告)号:US20140223125A1

    公开(公告)日:2014-08-07

    申请号:US14246876

    申请日:2014-04-07

    Abstract: Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store copies of network-accessible block data storage volumes that may be used by programs executing on other physical computing systems, and snapshot copies of some volumes may also be stored (e.g., on remote archival storage systems). A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other computing systems at that data center, while the archival storage systems may be located outside the data center. The snapshot copies of volumes may be used in various ways, including to allow users to obtain their own copies of other users' volumes (e.g., for a fee).

    Abstract translation: 描述了用于管理执行程序对非本地块数据存储的访问的技术。 在某些情况下,块数据存储服务使用多个服务器存储系统可靠地存储可由其他物理计算系统上执行的程序使用的网络可访问块数据存储卷的副本,并且还可以存储某些卷的快照副本( 例如,在远程档案存储系统上)。 存储块数据卷的一组多个服务器块数据存储系统在某些情况下可以位于数据中心,并且使用存储在其中的卷的程序可以在该数据中心的其他计算系统上执行,而归档存储系统 可能位于数据中心之外。 卷的快照副本可以以各种方式使用,包括允许用户获得他们自己的其他用户卷的副本(例如,收费)。

    Providing executing programs with access to stored block data of others

    公开(公告)号:US11526407B2

    公开(公告)日:2022-12-13

    申请号:US16907116

    申请日:2020-06-19

    Abstract: Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store copies of network-accessible block data storage volumes that may be used by programs executing on other physical computing systems, and snapshot copies of some volumes may also be stored (e.g., on remote archival storage systems). A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other computing systems at that data center, while the archival storage systems may be located outside the data center. The snapshot copies of volumes may be used in various ways, including to allow users to obtain their own copies of other users' volumes (e.g., for a fee).

    Managing access of multiple executing programs to non-local block data storage

    公开(公告)号:US10824343B2

    公开(公告)日:2020-11-03

    申请号:US15364104

    申请日:2016-11-29

    Abstract: Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store network-accessible block data storage volumes that may be used by programs executing on other physical computing systems. A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other physical computing systems at that data center. If a program using a volume becomes unavailable, another program (e.g., another copy of the same program) may in some situations obtain access to and continue to use the same volume, such as in an automatic manner in some such situations.

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