CN111913928A - Distributed small file system, method, storage medium and electronic equipment for block storage - Google Patents
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Abstract
The invention discloses a distributed small file system, a distributed small file method, a distributed small file storage medium and electronic equipment for block storage, wherein the system comprises an accounting node, a client and a server, and the distributed file system provides an independent block storage service for a block chain system; the storage capacity and the block reading speed of the block chain system block are improved; the maintenance difficulty and cost of the storage block service of the block chain system are saved; the file system designs a storage node and a management node for the customized block storage file system, and facilitates operation and storage of the blocks.
Description
Technical Field
The present invention relates to the field of distributed file system technology and block chain technology, and in particular, to a distributed small file system, a distributed small file method, a distributed small file storage medium, and an electronic device for block storage.
Background
The block chain is a distributed shared account book and a database, and has the characteristics of decentralization, no tampering, trace retaining in the whole process, traceability, collective maintenance, openness and transparency and the like.
The distributed file system means that physical storage resources managed by the file system are not necessarily directly connected to a local node, but are connected with the node through a computer network; or a complete hierarchical file system formed by combining several different logical disk partitions or volume labels.
The relationship between the current distributed file system and blockchain is:
1. the blocks in the block chain are stored in the file system of the operating system.
2. The blocks in the blockchain system are all stored in a certain node, and distributed storage is not realized.
3. No existing distributed file system stores a specific file system for a block.
4. Currently, a distributed file system is not used in the blockchain system.
For the above application, the disadvantages are:
1. the nodes for storing blocks in the blockchain system are limited by the capacity and reading and writing of the hard disk.
2. Hard disk failures in software and hardware systems are frequent, which easily results in node failures.
3. The storage of blocks cannot be uniformly managed.
The invention aims to customize a distributed file system solution of block storage for a block chain system, improve the block storage capacity and the read-write speed of nodes in the block chain system, effectively improve the transaction speed and the stability of the block chain system and uniformly manage blocks in the block chain system.
Disclosure of Invention
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
A distributed small file system for block storage comprises a billing node, a client and a server, wherein the billing node initiates a request to the server through the client, the server adopts a distributed file system based on a master/slave architecture, the server comprises a master node and a slave node, and the master node is responsible for distributing a block read-write check request of the client to the slave node to ensure load balance of a cluster;
the client comprises a user operation module and a block operation module; the user operation module comprises user registration and login, the accounting node initiates a registration/login request through the client, sends registration information to the background identity authentication module and feeds back an account number and a password to the user;
the master node comprises a user management module, a block request management module, a system management module, a block monitoring module and a block storage module;
a user management module: the functions of adding and modifying user information, checking a user information list and initializing a password for a user are mainly realized by an administrator;
the block request management module: receiving a user access request and sending the access request to the block chain storage module; receiving matching data fed back by the block chain storage module;
a system management module: the system comprises a plurality of sub-nodes, a memory, a CPU state information and a node information, wherein the sub-nodes are used for managing basic information, CPU state information and node information of a current system, determining the available connection state of the sub-nodes according to the utilization rate of the CPU and the memory, and updating the analyzed node connection state and resource related information into the memory;
a block monitoring module: the monitoring processing module acquires the monitoring data of each node monitoring unit, displays the monitoring data in a graphical mode, highlights abnormal nodes and quickly analyzes and positions the positions and reasons of the abnormal nodes through the collected monitoring data;
a block storage module: the method comprises a storage allocation algorithm, a block index algorithm and a load balancing algorithm; the storage allocation algorithm allocates the files to different slave nodes for storage, so that the load is balanced; the block index algorithm is used for directly positioning the hard disk position of the block according to the height value of the block and positioning the hard disk position of the exchange according to the transaction id; the load balancing algorithm distributes loads in different forms to different machines, and avoids the situation that partial servers in the cluster are over-stressed and other servers are idle.
The slave node comprises a storage module and a cache module;
a storage module: data is stored in a format on a computer operating system;
a cache module: the slave node stores partial blocks according to a block allocation strategy designated by a master, the slave cluster stores full blocks, the cache module is integrated, and the blocks are cached into the memory according to a cache algorithm.
A running process method of a distributed small file system for block storage comprises registering/logging, reading a block, writing the block and checking the block;
the registration/login comprises the following steps:
s1, the user fills in information such as user ID, password and the like;
s2, submitting a registration request;
s3, carrying out logic judgment by the background, and inquiring whether the user name exists in the database;
s4, if the registration page exists, prompting failure information and returning to the registration page; if not, prompting registration success information, and executing step S5;
s5, jumping to a login interface from the login interface;
s6, inputting login information by a user for login;
s7, submitting the data to a background;
s8, the background compares the user information with the database;
s9, if the login information fails to be verified, returning prompt failure information;
and S10, the login information passes the verification, the login is successful, and the user jumps to a login interface.
The reading blocks comprise a lookup block stored in a slave2 node and a slave2 node, and the lookup block stored in a slave2 node comprises the following steps:
q1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block height of the block), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
q2, the client side sends a query request to the server side;
q3, the server master reads the slave2 node through the load balancing algorithm.
Reading the block at slave2 includes the following steps:
a1, the server side inquires whether the cache module stores or not by reading the slave2 node;
a2, checking whether the cache module exists or not, and if so, returning data information in the cache;
and A3, if the cache module does not exist, returning the data information in the storage module and returning the result to the client.
The writing blocks comprise that the searching blocks are stored in a slave2 node and a slave2 is written to the storage module;
the step of searching for the block stored in the slave2 node specifically includes the following steps:
b1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block content), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
b2, the client side sends a query request to the server side;
b3 and the server master read a slave2 node through a storage allocation algorithm.
The writing of the slave2 to the memory module specifically comprises the following steps:
c1, the accounting node sends a request to the server through the client;
c2, executing the write operation on the storage module and synchronously returning the write result to the client.
The method for searching the block comprises a slave node where the query block is located, and comprises the following steps:
d1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block height or block hash value), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
d2, the client side sends a query request to the server side;
d3, the server side inquires the slave node where the block is located through the master block index algorithm, and returns the inquiry result to the client side.
A storage medium of a distributed small file system for block storage stores operation instructions corresponding to an operation flow method of the distributed small file system for block storage.
An electronic device for a distributed small file system for block storage, the electronic device for running a storage medium and for accessing a communication network.
The invention has the beneficial effects that: the distributed file system provides an independent block storage service for the block chain system; the storage capacity and the block reading speed of the block chain system block are improved; the maintenance difficulty and cost of the storage block service of the block chain system are saved; the file system designs a storage node and a management node for the customized block storage file system, and facilitates operation and storage of the blocks.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a system architecture block diagram;
fig. 2 is a Master node structure diagram.
Fig. 3 is a structure diagram of a Slave node.
Fig. 4 is a registration/login flow diagram.
FIG. 5 is a flow chart of a node for looking up a chunk stored in a slave 2.
FIG. 6 is a flow chart of the read block from slave2 node.
FIG. 7 is a flow chart of looking up a chunk stored at the slave2 node.
FIG. 8 is a flow chart of a write of slave2 to a memory module.
Fig. 9 is a flowchart of the slave node where the query block is located.
Fig. 10 is a client architecture diagram.
Fig. 11 is a server side architecture diagram.
Fig. 12 is a block request module.
FIG. 13 is a block monitor module.
Fig. 14 is a block memory module.
FIG. 15 is a block diagram of a cache module.
FIG. 16 is a block diagram of a Federation chain system that integrates the distributed file system.
Detailed Description
Referring to fig. 1 to 3, a distributed small file system for block storage includes a billing node, a client and a server, where the billing node initiates a request to the server through the client, the server uses a distributed file system based on a master/slave architecture, the server includes a master node and a slave node, and the master node is responsible for distributing a block read-write check request of the client to the slave node, so as to ensure load balance of a cluster;
the client comprises a user operation module and a block operation module; the user operation module comprises user registration and login, the accounting node initiates a registration/login request through the client, sends registration information to the background identity authentication module and feeds back an account number and a password to the user; the client mainly stores the block file, converts the file into a block ID and file ID information, obtains the information of the data server where the block is located at the main control server, and then performs read-write check operation with the corresponding data server;
the master node comprises a user management module, a block request management module, a system management module, a block monitoring module and a block storage module;
a user management module: the functions of adding and modifying user information, checking a user information list and initializing a password for a user are mainly realized by an administrator;
the block request management module: receiving a user access request and sending the access request to the block chain storage module; receiving matching data fed back by the block chain storage module;
a system management module: the system comprises a plurality of sub-nodes, a memory, a CPU state information and a node information, wherein the sub-nodes are used for managing basic information, CPU state information and node information of a current system, determining the available connection state of the sub-nodes according to the utilization rate of the CPU and the memory, and updating the analyzed node connection state and resource related information into the memory;
a block monitoring module: the monitoring processing module acquires the monitoring data of each node monitoring unit, displays the monitoring data in a graphical mode, highlights abnormal nodes, and quickly analyzes and positions the positions and reasons of the abnormal nodes through the collected monitoring data, as shown in fig. 4;
a block storage module: including a storage allocation algorithm, a block index algorithm, and a load balancing algorithm, as shown in fig. 5; the storage allocation algorithm allocates the files to different slave nodes for storage, so that the load is balanced; the block index algorithm is used for directly positioning the hard disk position of the block according to the height value of the block and positioning the hard disk position of the exchange according to the transaction id; the load balancing algorithm distributes loads in different forms to different machines, and avoids the situation that partial servers in the cluster are over-stressed and other servers are idle.
The slave node comprises a storage module and a cache module;
a storage module: data is stored in a format on a computer operating system;
a cache module: the slave node stores a part of blocks according to a block allocation policy specified by a master, the slave cluster stores a full amount of blocks, and the integrated cache module caches the blocks into a memory according to a cache algorithm, as shown in fig. 6.
Referring to fig. 4 to 9, an operation flow method of a distributed small file system for block storage includes registering/logging, reading a block, writing a block, and checking a block;
the registration/login comprises the following steps:
s1, the user fills in information such as user ID, password and the like;
s2, submitting a registration request;
s3, carrying out logic judgment by the background, and inquiring whether the user name exists in the database;
s4, if the registration page exists, prompting failure information and returning to the registration page; if not, prompting registration success information, and executing step S5;
s5, jumping to a login interface from the login interface;
s6, inputting login information by a user for login;
s7, submitting the data to a background;
s8, the background compares the user information with the database;
s9, if the login information fails to be verified, returning prompt failure information;
and S10, the login information passes the verification, the login is successful, and the user jumps to a login interface.
The reading blocks comprise a lookup block stored in a slave2 node and a slave2 node, and the lookup block stored in a slave2 node comprises the following steps:
q1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block height of the block), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
q2, the client side sends a query request to the server side;
q3, the server master reads the slave2 node through the load balancing algorithm.
Reading the block at slave2 includes the following steps:
a1, the server side inquires whether the cache module stores or not by reading the slave2 node;
a2, checking whether the cache module exists or not, and if so, returning data information in the cache;
and A3, if the cache module does not exist, returning the data information in the storage module and returning the result to the client.
The writing blocks comprise that the searching blocks are stored in a slave2 node and a slave2 is written to the storage module;
the step of searching for the block stored in the slave2 node specifically includes the following steps:
b1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block content), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
b2, the client side sends a query request to the server side;
b3 and the server master read a slave2 node through a storage allocation algorithm.
The writing of the slave2 to the memory module specifically comprises the following steps:
c1, the accounting node sends a request to the server through the client;
c2, executing the write operation on the storage module and synchronously returning the write result to the client.
The method for searching the block comprises a slave node where the query block is located, and comprises the following steps:
d1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block height or block hash value), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
d2, the client side sends a query request to the server side;
d3, the server side inquires the slave node where the block is located through the master block index algorithm, and returns the inquiry result to the client side.
As shown in fig. 11, the architecture of the server is shown.
A distributed file system based on a master/slave framework is characterized in that a cluster comprises a single master node and a plurality of slave node servers.
The master is responsible for reading and writing the query request, it is regarded as the task dispatcher, slave responds to the request of the corresponding master, the slave node is responsible for inquiring the operation.
The master copy, namely the standby master server, the standby server has the same structure and configuration file as the main control server, the standby control server and the main control server are synchronous in data, and when the standby server detects that the main control server is down, the standby server takes over the resources and services of the main control server.
A storage medium of a distributed small file system for block storage stores operation instructions corresponding to an operation flow method of the distributed small file system for block storage.
An electronic device for a distributed small file system for block storage, the electronic device for running a storage medium and for accessing a communication network.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. A distributed small file system for block storage is characterized by comprising a billing node, a client and a server, wherein the billing node initiates a request to the server through the client, the server adopts a distributed file system based on a master/slave framework, the server comprises a master node and a slave node, and the master node is responsible for distributing a block read-write check request of the client to the slave node to ensure load balance of a cluster;
the client comprises a user operation module and a block operation module, the user operation module comprises user registration and login, the accounting node initiates a registration/login request through the client, sends registration information to the background identity authentication module and feeds back an account number and a password to the user;
the master node comprises a user management module, a block request management module, a system management module, a block monitoring module and a block storage module;
a user management module: the functions of adding and modifying user information, checking a user information list and initializing a password for a user are mainly realized by an administrator;
the block request management module: receiving a user access request and sending the access request to the block chain storage module; receiving matching data fed back by the block chain storage module;
a system management module: the system comprises a plurality of sub-nodes, a memory, a CPU state information and a node information, wherein the sub-nodes are used for managing basic information, CPU state information and node information of a current system, determining the available connection state of the sub-nodes according to the utilization rate of the CPU and the memory, and updating the analyzed node connection state and resource related information into the memory;
a block monitoring module: the monitoring processing module acquires the monitoring data of each node monitoring unit, displays the monitoring data in a graphical mode, highlights abnormal nodes and quickly analyzes and positions the positions and reasons of the abnormal nodes through the collected monitoring data;
a block storage module: the method comprises a storage allocation algorithm, a block index algorithm and a load balancing algorithm; the storage allocation algorithm allocates the files to different slave nodes for storage, so that the load is balanced; the block index algorithm is used for directly positioning the hard disk position of the block according to the height value of the block and positioning the hard disk position of the exchange according to the transaction id; the load balancing algorithm distributes loads in different forms to different machines, and avoids the situation that partial servers in the cluster are over-stressed and other servers are idle.
The slave node comprises a storage module and a cache module;
a storage module: data is stored in a format on a computer operating system;
a cache module: the slave node stores partial blocks according to a block allocation strategy designated by a master, the slave cluster stores full blocks, the cache module is integrated, and the blocks are cached into the memory according to a cache algorithm.
2. A running process method of a distributed small file system for block storage comprises registration/login, block reading, block writing and block searching.
3. The distributed doclet flow method for block storage according to claim 2, wherein reading the blocks includes storing the lookup blocks in a slave2 node and a slave2 node, and the step of storing the lookup blocks in a slave2 node includes the steps of:
q1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block height of the block), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
q2, the client side sends a query request to the server side;
q3, the server master reads the slave2 node through the load balancing algorithm.
4. The distributed small file operation flow method for block storage according to claim 3, wherein the slave2 node reads a block, including the following steps:
a1, the server side inquires whether the cache module stores or not by reading the slave2 node;
a2, checking whether the cache module exists or not, and if so, returning data information in the cache;
and A3, if the cache module does not exist, returning the data information in the storage module and returning the result to the client.
5. The distributed small file operation flow method for block storage according to claim 2, wherein writing the blocks includes storing the lookup blocks in a slave2 node and writing the slave2 to the storage module, and the storing of the lookup blocks in a slave2 node includes the following steps:
b1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block content), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
b2, the client side sends a query request to the server side;
b3 and the server master read a slave2 node through a storage allocation algorithm.
6. The distributed small file operation flow method for block storage according to claim 5, wherein writing slave2 to the storage module specifically includes the following steps:
c1, the accounting node sends a request to the server through the client;
c2, executing the write operation on the storage module and synchronously returning the write result to the client.
7. The distributed small file operation flow method for block storage according to claim 2, wherein the block searching comprises querying a slave node where the block is located, and the method comprises the following steps:
d1, the accounting node initiates a request through the client to perform identity authentication judgment (identity authentication ID, block height or block hash value), if the authentication fails, a failure prompt message is returned, otherwise, the authentication continues;
d2, the client side sends a query request to the server side;
d3, the server side inquires the slave node where the block is located through the master block index algorithm, and returns the inquiry result to the client side.
8. The distributed doclet flow method for block storage according to claim 2, wherein the registering/logging comprises the steps of:
s1, the user fills in information such as user ID, password and the like;
s2, submitting a registration request;
s3, carrying out logic judgment by the background, and inquiring whether the user name exists in the database;
s4, if the registration page exists, prompting failure information and returning to the registration page; if not, prompting registration success information, and executing step S5;
s5, jumping to a login interface from the login interface;
s6, inputting login information by a user for login;
s7, submitting the data to a background;
s8, the background compares the user information with the database;
s9, if the login information fails to be verified, returning prompt failure information;
and S10, the login information passes the verification, the login is successful, and the user jumps to a login interface.
9. A storage medium of a distributed small file system for block storage is characterized in that the storage medium stores operation instructions corresponding to the operation flow method of any one of the distributed small file systems for block storage from 2 to 8.
10. An electronic device for a distributed small file system for block storage, the electronic device being configured to run a storage medium and to access a communication network.
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| CN112084266A (en) * | 2020-11-16 | 2020-12-15 | 江西珉轩智能科技有限公司 | Data safety protection system based on block chain |
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