Method for realizing network disc local write cache control in disk-free system

Abstract

The invention relates to a method for realizing network disc local write cache control in a disk-free system, comprising: a client executes write cache configuration operation in a memory of a native machine according to parameters set by a server; and the client receives input data according to the input operation of a user, judges whether the native machine enables a write cache function or not, writes the input data into a remote server according to the judging result or judges whether the write cache region of the native machine is filled with data, and writes the input data into the remote server or directly writes the input data into the write cache region of the native machine according the judging result. By adopting the method for realizing network disk local write cache control in the disk-free system, the write pressure of the client to the server is reduced, the rated capacities of the server and the network are obviously expanded, the write pressure of the server is reduced to about one fifth of the original write pressure, the capacity of the server is improved by more than three times, the working performance is stable and reliable, and the application range is wider.

Description

technical field [0001] The invention relates to the field of diskless systems, in particular to the technical field of disk virtualization applications in diskless systems, and specifically refers to a method for realizing local write cache control of network disks in diskless systems. Background technique [0002] Generally speaking, in the diskless system or virtualization application of the prior art, the network disk is its main component, and the storage space on the remote server is mapped to a local disk through various network protocols, and it is read and written operate. With the popularization of large-scale computer applications, it has become an increasingly prominent problem that a large number of clients read and write network disks, resulting in excessive server load and reduced operating efficiency. Through research and analysis, it is found that the main load of the server comes from the client's write operation to the network disk. [0003] In order to s...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of excessive write load on the server, there have been similar technical solutions, but they are all written data caches on the server side, generally by using the cache function of the system itself, by simply adding server memory. increase write buffer

The disadvantage of this is that the memory capacity of the server is limited, the maximum cannot exceed 64G, and the server that can support more than 64G memory is expensive, so the server caching technology has great limitations

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