Shulou(Shulou.com)06/02 Report--

MFS is a fault-tolerant network distributed file system, which stores data on multiple physical servers and presents users with a unified resource. Distributed file system is to assemble some shared folders scattered on multiple computers into a shared folder. When users want to access these folders, they only need to open a folder. You can see all the shared folders linked to this folder. Role Classification and Planning in MFS distributed Storage system

Management server: responsible for the management of each data storage server, file read and write scheduling, file space recovery and recovery. Multi-node copy

Metadata log server: responsible for backing up the change log files of the master server. The file type is changelog_ml.*.mfs, so that you can take over from the master server when something goes wrong.

Data storage server: responsible for connecting to the management server, following the management server scheduling, providing storage space, and providing data transmission for customers. Data blocks or fragments are stored

Client: connect the data storage server managed on the remote management server through the fuse kernel interface. It seems that the shared file system uses the same effect as the local unix file system.

The architecture of this experiment and related preparation information (Note: all system environments are centos7.4, please configure IP and hostname according to the chart)

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