CN112256199B - Distributed data storage method and system for improving utilization rate of storage resources - Google Patents
Distributed data storage method and system for improving utilization rate of storage resources Download PDFInfo
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- CN112256199B CN112256199B CN202011133220.3A CN202011133220A CN112256199B CN 112256199 B CN112256199 B CN 112256199B CN 202011133220 A CN202011133220 A CN 202011133220A CN 112256199 B CN112256199 B CN 112256199B
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- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
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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
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
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- G06F3/0644—Management of space entities, e.g. partitions, extents, pools
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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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 memories and a storage management server, wherein the storage method comprises the following steps: dividing the memories into a plurality of memory levels with gradually increased layers according to the number of the minimum data connection node numbers required by communication with the memory management server from small to large, wherein the memory levels form a data tower; during storage, the storage management server divides received storage data into a plurality of data packets according to a set storage rule, and distributes the data packets to a plurality of memories at the lowest layer of a data tower; the storage of the lowest storage level is used for transmitting the received data packet to the upper storage of the data tower step by step, when the transmission fails due to the fact that no redundant storage space exists, the data packet is stored in the current storage, 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 external storage requests 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 divides the whole data into a plurality of data packets and distributes 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 is always unsatisfactory in terms of storage by adopting various data storage methods.
Disclosure of Invention
The invention aims to solve the technical problem of providing a distributed data storage method and a system for improving the utilization rate of storage resources aiming at the defects in the prior art.
The technical scheme adopted 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 memories and a storage management server, and the storage method comprises the following steps:
the first step: dividing the memories into a plurality of memory levels with gradually increased layers according to the number of the minimum data connection node numbers required for communication with the memory management server from small to large, wherein the memory levels form a data tower;
and a second step of: during storage, the storage management server divides received storage data into a plurality of data packets according to a set storage rule, and distributes the data packets to a plurality of memories at the lowest layer of a data tower;
and a third step of: and when the received data packet is transferred to an upper-layer memory of the data tower step by a memory of the lowest-layer memory hierarchy until the transfer fails due to the fact that no redundant memory space exists, the data packet is stored in the current memory, and a memory address is fed back to the memory management server.
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which comprises the following steps: the memories of each layer of the data tower are in communication connection with each other, and the memories of each layer of the data tower are in communication connection with the memories of the upper layer.
In the third step, when the upward transfer of the data packet fails, the memory receiving the failure of the data packet requests the transfer space to other memories of the same layer one by one, if the transfer space is successful, the address of the transfer space is sent to the memory of the data packet to be uploaded for uploading the data packet, if the transfer space is failed, 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 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 memory space data of each memory and sending the memory space data to the memory management server.
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which comprises the following steps: when the upward transmission of the data packet fails, the storage management server firstly divides the data sub-packet with the same size as the space of the highest-layer storage which is not fully stored in the data tower and is the highest storage which is not fully stored in the storage which fails to receive the data packet in the next data storage division stage, and then divides the rest part into data packets according to the set size; the divided data sub-packets are stored in corresponding memories.
The invention relates to a distributed data storage method for improving the utilization rate of storage resources, which further comprises a data reading server, 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 stored data packets of each memory and sending the data packets to the memory management server.
The distributed data storage system for improving the utilization rate of the storage resources comprises a plurality of memories and a storage management server;
the storage is divided into a plurality of storage levels with gradually increased layers according to the number of the minimum data connection node number required for communication with the storage management server from small to large, and the storage levels form a data tower;
during storage, the storage management server divides received storage data into a plurality of data packets according to a set storage rule, and distributes the data packets to a plurality of memories at the lowest layer of a data tower; and when the received data packet is transferred to an upper-layer memory of the data tower step by a memory of the lowest-layer memory hierarchy until the transfer fails due to the fact that no redundant memory space exists, the data packet is stored in the current memory, and a memory address is fed back to the memory management server.
The distributed data storage system for improving the utilization rate of storage resources provided by the invention is characterized in that a plurality of memories of each layer of the data tower are mutually connected in a communication manner, and the memories of each layer of the data tower are mutually connected with a plurality of memories of the upper layer in a communication manner.
The distributed data storage system for improving the utilization rate of 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 memory space data of each memory and sending the memory space data to the memory management server.
The distributed data storage system for improving the utilization rate of storage resources further comprises a data reading server, 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 stored data packets of each memory and sending the data packets to the memory management server.
The invention has the beneficial effects that: by adopting the tower-shaped storage mode, the data is automatically uploaded among all levels and finally stored after being received, the storage space utilization rate is high, the algorithm required by storage is simple, the response speed of external storage requests can be greatly improved, and the data storage structure and the storage method have extremely obvious advantages especially 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, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a flow chart of a distributed data storage method for improving storage resource utilization in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram showing a longitudinal distribution of distributed data storage for improving the utilization of storage resources according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal portion of each storage hierarchy 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 more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The distributed data storage method for improving the utilization rate of storage resources according to the preferred embodiment of the present invention, as shown in fig. 1, includes a plurality of memories and a storage management server, and the storage method is as follows:
s01: dividing the memories into a plurality of memory levels with gradually increased layers according to the number of the minimum data connection node numbers required by communication with the memory management server from small to large, wherein the memory levels form a data tower;
s02: during storage, the storage management server divides received storage data into a plurality of data packets according to a set storage rule, and distributes the data packets to a plurality of memories at the lowest layer of a data tower;
s03: the storage of the lowest storage level is used for transmitting the received data packet to the upper storage of the data tower step by step, when the transmission fails due to the fact that no redundant storage space exists, the data packet is stored in the current storage, and a storage address is fed back to the storage management server;
by adopting the tower-shaped storage mode, the data is automatically uploaded among all levels and finally stored after being received, the storage space utilization rate is high, the algorithm required by storage is simple, the response speed of external storage requests can be greatly improved, and the data storage structure and the storage method have extremely obvious advantages especially for a distributed system with more storage services.
Preferably, the method further comprises: the memories of each layer of the data tower are connected with each other in a communication way, and the memories of each layer of the data tower are connected with the memories of the upper layer in a communication way; the data packets are conveniently transmitted between layers of the data tower in multiple channels according to requirements, and each layer is transmitted according to requirements.
Preferably, in the third step, when the data packet fails to be transferred upwards, the memory receiving the data packet fails to request the transfer space to other memories on the same layer one by one, if the transfer space is requested successfully, the transfer space address is sent to the memory of the data packet to be uploaded to upload the data packet, if the transfer space is requested to fail, the data packet is stored in the current memory and the storage address is fed back to the storage management server; by the method, whether the memories of the upper layer in the data tower store storable spaces or not is accessed one by one, and the memories are stored when the storable spaces exist, so that the resource utilization rate is improved.
Preferably, the system 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 memory space data of each memory and sending the memory space data to the memory management server; and the statistics of the storage space data are convenient to carry out.
Preferably, the method further comprises: when the upward transmission of the data packet fails, the storage management server divides the data sub-packet with the same size as the space of the highest layer of memory which is not fully stored in the memory data tower which fails to receive the data packet in the next data storage segmentation stage, and then segments the rest part of the data packet according to the set size; the divided data sub-packets are stored in corresponding memories; the utilization rate of the scattered storage space is improved conveniently.
Preferably, the system further comprises a data reading server, 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 stored data packets of each memory and sending the data packets to the memory management server; the method is convenient for quick replication and extraction of the data packet so as to quickly respond to external data reading requests.
According to the above-mentioned distributed data storage method for improving the utilization rate of storage resources, as shown in fig. 2, referring to fig. 3, the distributed data storage system includes a plurality of memories and a storage management server;
the plurality of memories 1 are divided into a plurality of memory levels with gradually increased layers from small to large according to the number of the minimum data connection node numbers required for communication with the memory management server 2, and the plurality of memory 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 data packets to a plurality of memories at the lowest layer of a data tower; the storage of the lowest storage level is used for transmitting the received data packet to the upper storage of the data tower step by step, when the transmission fails due to the fact that no redundant storage space exists, the data packet is stored in the current storage, and a storage address is fed back to the storage management server;
by adopting the tower-shaped storage mode, the data is automatically uploaded among all levels and finally stored after being received, the storage space utilization rate is high, the algorithm required by storage is simple, the response speed of external storage requests can be greatly improved, and the data storage structure and the storage method have extremely obvious advantages especially for a distributed system with more storage services.
Preferably, the memories of each layer of the data tower are in communication connection with each other, and the memories of each layer of the data tower are in communication connection with the memories of the upper layer; the data packets are conveniently transmitted between layers of the data tower in multiple channels according to requirements, and each layer is transmitted according to requirements.
Preferably, the system further 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 is used for counting the memory space data of each memory and sending the memory space data to the memory management server; and the statistics of the storage space data are convenient to carry out.
Preferably, the system further comprises a data reading server 4, 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 stored data packets of each memory and sending the data packets to the memory management server; the method is convenient for quick replication and extraction of the data packet so as to quickly respond to external data reading requests.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (10)
1. The distributed data storage method for improving the utilization rate of storage resources is characterized by comprising a plurality of memories and a storage management server, and comprises the following steps:
the first step: dividing the memories into a plurality of memory levels with gradually increased layers according to the number of the minimum data connection node numbers required for communication with the memory management server from small to large, wherein the memory levels form a data tower;
and a second step of: during storage, the storage management server divides received storage data into a plurality of data packets according to a set storage rule, and distributes the data packets to a plurality of memories at the lowest layer of a data tower;
and a third step of: and when the received data packet is transferred to an upper-layer memory of the data tower step by a memory of the lowest-layer memory hierarchy until the transfer fails due to the fact that no redundant memory space exists, the data packet is stored in the current memory, and a memory address is fed back to the memory management server.
2. The distributed data storage method for increasing storage resource utilization of claim 1, further comprising the steps of: the memories of each layer of the data tower are in communication connection with each other, and the memories of each layer of the data tower are in communication connection with the memories of the upper layer.
3. The method for storing distributed data for increasing utilization rate of storage resources according to claim 2, wherein in the third step, when the data packet fails to be transferred upward, the memory receiving the data packet fails requests the transfer space one by one to other memories in the same layer, if the transfer space is requested successfully, the address of the transfer space is sent to the memory of the data packet to be uploaded for uploading the data packet, if the transfer space is requested failed, 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 storage resources according to claim 1 or 2, further comprising 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 memory space data of each memory and sending the memory space data to the memory management server.
5. The method for distributed data storage for increasing utilization of a storage resource of claim 4, further comprising the steps of: when the upward transmission of the data packet fails, the storage management server firstly divides the data sub-packet with the same size as the space of the highest-layer storage which is not fully stored in the data tower and is the highest storage which is not fully stored in the storage which fails to receive the data packet in the next data storage division stage, and then divides the rest part into data packets according to the set size; the divided data sub-packets are stored in corresponding memories.
6. The distributed data storage method for improving the utilization rate of storage resources according to claim 1 or 2, further comprising a data reading server, 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 stored data packets of each memory and sending the data packets to the memory management server.
7. A distributed data storage system for improving the utilization rate of storage resources, according to any one of claims 1 to 6, characterized by comprising a plurality of memories and a storage management server;
the storage is divided into a plurality of storage levels with gradually increased layers according to the number of the minimum data connection node number required for communication with the storage management server from small to large, and the storage levels form a data tower;
during storage, the storage management server divides received storage data into a plurality of data packets according to a set storage rule, and distributes the data packets to a plurality of memories at the lowest layer of a data tower; and when the received data packet is transferred to an upper-layer memory of the data tower step by a memory of the lowest-layer memory hierarchy until the transfer fails due to the fact that no redundant memory space exists, the data packet is stored in the current memory, and a memory address is fed back to the memory management server.
8. The distributed data storage system of claim 7 wherein a plurality of said memories of each tier of said data tower are communicatively coupled to each other and to a plurality of said memories of a previous tier.
9. The distributed data storage system for increasing storage resource utilization of claim 7 or 8, further comprising a data statistics server, one for each tier 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 memory space data of each memory and sending the memory space data to the memory management server.
10. The distributed data storage system for increasing storage resource utilization of claim 7 or 8, further comprising a data reading server, one for each tier 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 stored data packets of each memory and sending the data packets to the memory management server.
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