Remote copying method with self-adaptive change volume
A remote replication and self-adaptive technology, applied in response to error generation, redundant data error detection in operation, instrumentation, etc., can solve the problem of low availability of changed volume data, and achieve the effect of improving high availability
Active Publication Date: 2017-11-28
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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[0003] The purpose of the present invention is to provide a remote replication method with adaptive change volume, which is used to solve the problem of low data availability of the change volume in the remote replication process
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[0021] In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily lim...
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A remote copying method with a self-adaptive change volume comprise the following steps of determining whether time required for transmitting source volume snapshoot data to a target volume end is longer than a cycle period, if not, enabling the snapshoot to normally operate, if so, executing next step operation, determining whether an idle change volume exists, if so, storing the snapshoot to the idle change volume, and if not, executing next step operation, triggering to build a new change volume and storing the snapshoot. The source end and a target end can have a plurality of change volumes to record differences of the source volume and the target volume; during the remote copy, when the copying time is greater than the cycle period, the source volume can be snapshot before the copy is finished, so data high availability can be improved; and the remote copying method is more suitable for low-bandwidth and high-time delay situations compared with a prior change volume-equipped remote copy way.
Description
technical field [0001] The invention relates to the technical field of storage high availability, in particular to a remote replication method with adaptive volume change. Background technique [0002] With the continuous deepening of "Internet +" and industrial integration, more and more enterprises centralize applications, data, and systems, and face huge data security risks while centralizing data. Enterprises have more and more demands for business continuity. Urgently, databases, virtualization, and other important business system environments have higher and higher requirements for high availability. Contents of the invention [0003] The purpose of the present invention is to provide a remote replication method with adaptive volume change, which is used to solve the problem of low data availability in the remote replication process of volume change. [0004] The technical solution adopted by the present invention to solve the technical problem is: a remote copy met...
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IPC IPC(8): G06F11/14
CPCG06F11/1464
Inventor 李玲侠
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD