Thermal migration system based on distributed storage, and migration method thereof
A distributed storage and hot migration technology, applied in the input/output process of data processing, instruments, electrical and digital data processing, etc., can solve problems such as speed impact, increase read and write delay, reduce experience, etc., to ensure data stability , to ensure that the total number remains unchanged, and to improve the effect of reading and writing efficiency
Active Publication Date: 2020-07-28
HANGZHOU NETBANK INTERCONNECTION TECH CO LTD
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Problems solved by technology
In this case, there are frequent cross-cloud reads and writes, and cross-cloud reads and writes will cause a large occupation and consumption of hardware resources such as CPU and network resources such as network bandwidth.
[0004] In addition, if new nodes are added to the original cluster and applications are deployed to store data, if they are in different regions at this time, the delay of reading and writing will be greatly increased and the experience will be reduced.
Method used
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Embodiment 1
[0041] Embodiment 1, a distributed storage-based hot migration system and its migration method, such as figure 1 As shown, all original data copies exist in a certain data domain, and the application is also in this data domain, such as figure 1 In the public cloud A, at this time, all data storage, reading, and calculation are in the public cloud A, which is efficient and convenient. But for some reasons, the application migrated to another data domain, such as figure 1 Public cloud B in . At this time, there will be data transmission across data domains, that is, cross-cloud transmission, which reduces the efficiency of data reading and writing in distributed storage.
[0042] Like the existing technology, each cloud contains multiple data nodes, such as figure 1 Node 1, Node 2, Node 4, Node 5, Node 7, and Node 8 in . But different from the existing technology, in this case, each node is equipped with three modules, which are respectively data copy managers, namely figu...
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The invention relates to the field of computer network application, and concretely relates to design of a distributed storage system. A thermal migration system based on distributed storage at each node comprises: a data copy manager used for managing data copies of the node; a storage volume manager used for managing the storage volume of the node; and a resource controller. The storage volume manager can be automatically transferred to a corresponding target data domain along with an application, and the resource controller automatically generates a data copy thermal migration command afterdetecting a transfer action of the storage volume manager and judging that the target data domain is different from an original data domain. The invention aims to provide the thermal migration systembased on distributed storage, and a migration method thereof. Thermal migration of the storage copies along with the data read-write end is achieved, more efficient read-write of a hybrid cluster scene is achieved, and losses caused by cross-region data storage are greatly reduced.
Description
technical field [0001] The invention relates to the field of computer network applications, in particular to the design of a distributed storage system. Background technique [0002] With the rapid development of computer technology, the application of distributed storage system is more and more extensive. For example, a distributed storage method and a distributed storage device are disclosed in a Chinese patent document with a notification number of CN103064635B. The distributed storage system is different from the traditional centralized storage system. The distributed storage system includes multiple storage servers, and different storage servers can correspond to different physical devices. When there is a need for data storage, the data can be distributed and stored on multiple storage servers in the distributed storage system. The distributed storage system adopts a scalable system structure, uses multiple storage servers to share the storage load, and uses the loca...
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IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0647G06F3/067
Inventor 陶琪
Owner HANGZHOU NETBANK INTERCONNECTION TECH CO LTD