CN112256199A - Distributed data storage method and system for improving storage resource utilization rate - Google Patents
Distributed data storage method and system for improving storage resource utilization rate Download PDFInfo
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- CN112256199A CN112256199A CN202011133220.3A CN202011133220A CN112256199A CN 112256199 A CN112256199 A CN 112256199A CN 202011133220 A CN202011133220 A CN 202011133220A CN 112256199 A CN112256199 A CN 112256199A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
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- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
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Abstract
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which comprises a plurality of storages and a storage management server, and the storage method comprises the following steps: dividing a plurality of storages into a plurality of storage levels with gradually increased layers from small to large according to the number of the minimum data connection nodes required for communication with a storage management server, wherein the plurality of storage levels form a data tower; during storage, the storage management server divides the received storage data into a plurality of data packets according to a set storage rule and distributes the data packets to a plurality of storages at the lowest layer of the data tower; the memory of the lowest storage level transfers the received data packet to the upper memory of the data tower step by step, when the transfer fails because no redundant storage space exists, the data packet is stored in the current memory and a storage address is fed back to the storage management server; the storage space utilization rate is high, the algorithm required by storage is simple, and the response speed of an external storage request can be greatly improved.
Description
Technical Field
The present invention relates to the field of distributed data storage technologies, and in particular, to a distributed data storage method and system for improving storage resource utilization.
Background
The distributed data storage technology is used for dividing the whole data into a plurality of data packets and then dispersing the data packets to a plurality of memories for storage, so that the resource utilization rate and the storage rate can be greatly improved; at present, the utilization rate of the data storage space of the adopted various data storage methods is always unsatisfactory in terms of storage.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a distributed data storage method and system for improving the utilization rate of storage resources, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a distributed data storage method for improving the utilization rate of storage resources is constructed, wherein the distributed data storage method comprises a plurality of storages and storage management servers, and the storage method comprises the following steps:
the first step is as follows: dividing the plurality of memories into a plurality of storage levels with gradually-increased layers from small to large according to the number of the minimum data connection nodes required for communication with the storage management server, wherein the plurality of storage levels form a data tower;
the second step is that: during storage, the storage management server divides the received storage data into a plurality of data packets according to a set storage rule and distributes the data packets to a plurality of storages at the lowest layer of a data tower;
the third step: and the memory of the lowest storage level transfers the received data packet to the upper memory of the data tower step by step, and when the transfer fails because no redundant storage space exists, the data packet is stored in the current memory and a storage address is fed back to the storage management server.
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which further comprises the following steps: the memories of each layer of the data tower are mutually communicated and connected, and the memory of each layer of the data tower is mutually communicated and connected with the memories of the previous layer.
In the third step, when the data packet fails to be transferred upwards, the memory that has failed to receive the data packet requests the other memories in the same layer for the transfer space one by one, if the request for the transfer space is successful, the address of the transfer space is sent to the memory to which the data packet is to be uploaded to upload the data packet, and if the request for the transfer space fails, the data packet is stored in the current memory and the storage address is fed back to the storage management server.
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which further comprises a data statistics server, wherein each layer of a data tower is correspondingly provided with one data statistics server; the data statistics server is in communication connection with each memory of the layer where the data statistics server is located, and is used for counting the storage space data of each memory and sending the storage space data to the storage management server.
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which further comprises the following steps: when the data packet fails to be transmitted upwards, the storage management server firstly divides data sub-packets with the size equal to the space of the highest-layer storage which is not full in the data tower and fails to receive the data packet in the next data storage division stage, and then divides the data packet by the rest part according to the set size; and storing the divided data sub-packets into corresponding memories.
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which further comprises data reading servers, wherein each layer of a data tower is correspondingly provided with one data reading server; the data reading server is in communication connection with each memory of the layer where the data reading server is located, and is used for copying and extracting the data packets stored in each memory and sending the data packets to the storage management server.
A distributed data storage system for improving the utilization rate of storage resources comprises a plurality of storages and a storage management server;
the plurality of memories are divided into a plurality of storage levels with gradually-increased layers from small to large according to the number of the minimum data connection nodes required for communication with the storage management server, and the plurality of storage levels form a data tower;
during storage, the storage management server divides the received storage data into a plurality of data packets according to a set storage rule and distributes the data packets to a plurality of storages at the lowest layer of a data tower; and the memory of the lowest storage level transfers the received data packet to the upper memory of the data tower step by step, and when the transfer fails because no redundant storage space exists, the data packet is stored in the current memory and a storage address is fed back to the storage management server.
The distributed data storage system for improving the utilization rate of the storage resources is characterized in that the plurality of storages of each layer of the data tower are mutually communicated and connected, and the storages of each layer of the data tower are mutually communicated and connected with the plurality of storages of the previous layer.
The distributed data storage system for improving the utilization rate of the storage resources further comprises a data statistics server, wherein each layer of the data tower corresponds to one data statistics server; the data statistics server is in communication connection with each memory of the layer where the data statistics server is located, and is used for counting the storage space data of each memory and sending the storage space data to the storage management server.
The distributed data storage system for improving the utilization rate of the storage resources further comprises data reading servers, wherein each layer of the data tower corresponds to one data reading server; the data reading server is in communication connection with each memory of the layer where the data reading server is located, and is used for copying and extracting the data packets stored in each memory and sending the data packets to the storage management server.
The invention has the beneficial effects that: by adopting the tower-shaped storage mode, the data are automatically uploaded between each layer after being received and finally stored, the utilization rate of the storage space is high, the algorithm required by storage is simple, the response speed of an external storage request can be greatly improved, and the data storage structure and the storage method have very obvious advantages particularly for a distributed system with more storage services.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a flow chart of a distributed data storage method for improving storage resource utilization according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a distributed data storage vertical distribution for improving storage resource utilization according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of each storage level of the distributed data storage for improving the utilization of storage resources according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The distributed data storage method for improving the utilization rate of storage resources of the preferred embodiment of the present invention, as shown in fig. 1, includes a plurality of storages and storage management servers, and the storage method is as follows:
s01: dividing a plurality of storages into a plurality of storage levels with gradually increased layers from small to large according to the number of the minimum data connection nodes required for communication with a storage management server, wherein the plurality of storage levels form a data tower;
s02: during storage, the storage management server divides the received storage data into a plurality of data packets according to a set storage rule and distributes the data packets to a plurality of storages at the lowest layer of the data tower;
s03: the memory of the lowest storage level transfers the received data packet to the upper memory of the data tower step by step, when the transfer fails because no redundant storage space exists, the data packet is stored in the current memory and a storage address is fed back to the storage management server;
by adopting the tower-shaped storage mode, the data are automatically uploaded between each layer after being received and finally stored, the utilization rate of the storage space is high, the algorithm required by storage is simple, the response speed of an external storage request can be greatly improved, and the data storage structure and the storage method have very obvious advantages particularly for a distributed system with more storage services.
Preferably, the method further comprises the following steps: the memories of each layer of the data tower are mutually communicated and connected, and the memory of each layer of the data tower is mutually communicated and connected with the memories of the previous layer; the data packets can be conveniently transmitted in multiple channels between layers of the data tower according to needs, and transmitted in each layer according to needs.
Preferably, in the third step, when the upward transfer of the data packet fails, the memory which failed to receive the data packet requests the other memories in the same layer for the transfer space one by one, if the request for the transfer space is successful, the address of the transfer space is sent to the memory which is to upload the data packet, and if the request for the transfer space fails, the data packet is stored in the current memory and the memory address is fed back to the memory management server; by the method, whether the memories on the upper layer in the data tower store the storable space or not is accessed one by one, and the memories exist and are stored immediately, so that the resource utilization rate is improved.
Preferably, the system also comprises a data statistics server, and each layer of the data tower is provided with one data statistics server correspondingly; the data statistics server is in communication connection with each memory of the layer where the data statistics server is located and used for counting the storage space data of each memory and sending the storage space data to the storage management server; the statistics of the storage space data is convenient to carry out.
Preferably, the method further comprises the following steps: when the data packet fails to be transmitted upwards, the storage management server firstly divides data sub-packets with the size equal to the space of the highest-layer storage which is not full in the storage data tower with the failure of receiving the data packet in the next data storage division stage, and then divides the data packet by the rest part according to the set size; the divided data sub-packets are stored in corresponding memories; the utilization rate of the fragmentary storage space is convenient to improve.
Preferably, the system also comprises a data reading server, and each layer of the data tower corresponds to one data reading server; the data reading server is in communication connection with each memory of the layer where the data reading server is located, and is used for copying and extracting the data packets stored in each memory and sending the data packets to the storage management server; the method facilitates quick copy extraction of the data packet so as to quickly respond to an external data read request.
A distributed data storage system for improving the utilization rate of storage resources, according to the above distributed data storage method for improving the utilization rate of storage resources, as shown in fig. 2, and referring to fig. 3, the system includes a plurality of storages and storage management servers;
the plurality of storages 1 are divided into a plurality of storage levels with gradually-increased layers from small to large according to the number of the minimum data connection nodes required for communication with the storage management server 2, and the plurality of storage levels form a data tower;
during storage, the storage management server 2 divides the received storage data into a plurality of data packets according to a set storage rule, and distributes the plurality of data packets to a plurality of memories at the lowest layer of the data tower; the memory of the lowest storage level transfers the received data packet to the upper memory of the data tower step by step, when the transfer fails because no redundant storage space exists, the data packet is stored in the current memory and a storage address is fed back to the storage management server;
by adopting the tower-shaped storage mode, the data are automatically uploaded between each layer after being received and finally stored, the utilization rate of the storage space is high, the algorithm required by storage is simple, the response speed of an external storage request can be greatly improved, and the data storage structure and the storage method have very obvious advantages particularly for a distributed system with more storage services.
Preferably, the memories of each layer of the data tower are mutually communicated and connected, and the memory of each layer of the data tower is mutually communicated and connected with the memories of the previous layer; the data packets can be conveniently transmitted in multiple channels between layers of the data tower according to needs, and transmitted in each layer according to needs.
Preferably, the system also comprises a data statistics server 3, wherein each layer of the data tower corresponds to one data statistics server; the data statistics server is in communication connection with each memory of the layer where the data statistics server is located and used for counting the storage space data of each memory and sending the storage space data to the storage management server; the statistics of the storage space data is convenient to carry out.
Preferably, the system also comprises a data reading server 4, and each layer of the data tower corresponds to one data reading server; the data reading server is in communication connection with each memory of the layer where the data reading server is located, and is used for copying and extracting the data packets stored in each memory and sending the data packets to the storage management server; the method facilitates quick copy extraction of the data packet so as to quickly respond to an external data read request.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A distributed data storage method for improving the utilization rate of storage resources is characterized by comprising a plurality of storages and storage management servers, and the storage method comprises the following steps:
the first step is as follows: dividing the plurality of memories into a plurality of storage levels with gradually-increased layers from small to large according to the number of the minimum data connection nodes required for communication with the storage management server, wherein the plurality of storage levels form a data tower;
the second step is that: during storage, the storage management server divides the received storage data into a plurality of data packets according to a set storage rule and distributes the data packets to a plurality of storages at the lowest layer of a data tower;
the third step: and the memory of the lowest storage level transfers the received data packet to the upper memory of the data tower step by step, and when the transfer fails because no redundant storage space exists, the data packet is stored in the current memory and a storage address is fed back to the storage management server.
2. The distributed data storage method for improving the utilization rate of storage resources according to claim 1, further comprising the steps of: the memories of each layer of the data tower are mutually communicated and connected, and the memory of each layer of the data tower is mutually communicated and connected with the memories of the previous layer.
3. The distributed data storage method for improving the utilization rate of the storage resources according to claim 2, wherein in the third step, when the upward transfer of the data packet fails, the memory that has failed to receive the data packet requests the other memories in the same layer for the dump space one by one, if the request for the dump space succeeds, the dump space address is sent to the memory that is to upload the data packet, and if the request for the dump space fails, the data packet is stored in the current memory and the storage address is fed back to the storage management server.
4. The distributed data storage method for improving the utilization rate of the storage resources according to claim 1 or 2, characterized by further comprising data statistics servers, wherein one data statistics server corresponds to each layer of the data tower; the data statistics server is in communication connection with each memory of the layer where the data statistics server is located, and is used for counting the storage space data of each memory and sending the storage space data to the storage management server.
5. The distributed data storage method for improving storage resource utilization according to claim 4, further comprising the steps of: when the data packet fails to be transmitted upwards, the storage management server firstly divides data sub-packets with the size equal to the space of the highest-layer storage which is not full in the data tower and fails to receive the data packet in the next data storage division stage, and then divides the data packet by the rest part according to the set size; and storing the divided data sub-packets into corresponding memories.
6. The distributed data storage method for improving the utilization rate of the storage resources according to claim 1 or 2, characterized by further comprising data reading servers, wherein one data reading server corresponds to each layer of the data tower; the data reading server is in communication connection with each memory of the layer where the data reading server is located, and is used for copying and extracting the data packets stored in each memory and sending the data packets to the storage management server.
7. A distributed data storage system for improving the utilization rate of storage resources, the distributed data storage method for improving the utilization rate of storage resources according to any one of claims 1 to 6, characterized by comprising a plurality of storages and storage management servers;
the plurality of memories are divided into a plurality of storage levels with gradually-increased layers from small to large according to the number of the minimum data connection nodes required for communication with the storage management server, and the plurality of storage levels form a data tower;
during storage, the storage management server divides the received storage data into a plurality of data packets according to a set storage rule and distributes the data packets to a plurality of storages at the lowest layer of a data tower; and the memory of the lowest storage level transfers the received data packet to the upper memory of the data tower step by step, and when the transfer fails because no redundant storage space exists, the data packet is stored in the current memory and a storage address is fed back to the storage management server.
8. The distributed data storage system for improving storage resource utilization according to claim 7, wherein a plurality of said memories of each layer of said data tower are communicatively connected to each other, and said memories of each layer of said data tower are communicatively connected to a plurality of said memories of a previous layer.
9. The distributed data storage system for improving the utilization rate of storage resources of claim 7 or 8, further comprising data statistics servers, wherein one data statistics server corresponds to each layer of the data tower; the data statistics server is in communication connection with each memory of the layer where the data statistics server is located, and is used for counting the storage space data of each memory and sending the storage space data to the storage management server.
10. The distributed data storage system for improving the utilization rate of storage resources according to claim 7 or 8, further comprising data reading servers, wherein one data reading server corresponds to each layer of the data tower; the data reading server is in communication connection with each memory of the layer where the data reading server is located, and is used for copying and extracting the data packets stored in each memory and sending the data packets to the storage management server.
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