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    • 1. 发明申请
    • DEVICES AND METHODOLOGIES FOR IMPLEMENTING REDUNDANT BACKUPS IN NVRAM RELIANT ENVIRONMENTS
    • 在NVRAM依赖环境中实施冗余备份的设备和方法
    • US20150261628A1
    • 2015-09-17
    • US14656223
    • 2015-03-12
    • Ainsworth Game Technology Limited
    • Vincent Carmelo BruzzeseBaheerathan GnanasundramPatrick TanBronislav Paykin
    • G06F11/20G06F11/07
    • G06F11/2097G06F11/2038G06F11/2048G06F11/2056
    • Technology described herein includes an arrangement whereby a hardware-based solution is implemented to enable mirroring of NVRAM data in a master server directly to NVRAM in a sleeper server. Both the master server and sleeper server implement a like motherboard unit, which is configured to implement the mirroring technology. That is, the roles of master and sleeper may be reversed. The master server includes a hardware module that monitors (but does not affect) NVRAM operations at the master server, and replicates those operations via a high speed communications link, such as a fiber optic link, to the sleeper server. The term “high speed communications link” refers to a link with at least 2.5 gigabit speed, and preferably at least 5 gigabit speed. The sleeper server is configured to, when in sleeper mode, suspend control of its own NVRAM module. Instead, the NVRAM module is controlled by a module that is configured to receive NVRAM operations via the fiber optic link, and apply those operations. In this manner, there is a direct mirroring of all master NVRAM content affected in the master's NVRAM to the sleeper's NVRAM. Using technology described herein, this is affected at an “atomic” (e.g. NVRAM bus cycle) level.
    • 本文描述的技术包括这样一种布置,其中实现基于硬件的解决方案,以使主服务器中的NVRAM数据能够直接映射到睡眠者服务器中的NVRAM。 主服务器和睡眠服务器都实现了一个类似的主板单元,它被配置为实现镜像技术。 也就是说,主人和睡眠者的角色可能会被扭转。 主服务器包括在主服务器上监视(但不影响)NVRAM操作的硬件模块,并通过高速通信链路(如光纤链路)将这些操作复制到睡眠器服务器。 术语“高速通信链路”是指具有至少2.5吉比特速度,优选至少5吉比特速度的链路。 睡眠者服务器配置为在睡眠模式下暂停对自己的NVRAM模块的控制。 相反,NVRAM模块由配置为通过光纤链路接收NVRAM操作的模块控制,并应用这些操作。 以这种方式,将主NVRAM中受影响的所有主NVRAM内容直接映射到睡眠者的NVRAM。 使用本文描述的技术,这受到“原子”(例如NVRAM总线周期)级别的影响。