CN110989921A - Configurable storage array system, control method thereof and communication equipment - Google Patents
Configurable storage array system, control method thereof and communication equipment Download PDFInfo
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Abstract
The invention discloses a configurable storage array system, a control method thereof and communication equipment, wherein the configurable system comprises a management module and a storage module, the management module comprises cascaded multilevel management units, the storage module comprises a plurality of storage units, wherein in the multilevel management units, each upper level management unit is connected with a plurality of lower level management units, and each lowest level management unit is connected with a plurality of storage units; the multilevel management unit and the plurality of storage units jointly form a plurality of storage links; the upper management unit is used for presetting the operation sequence of the lower management unit and controlling the operation of the lower management unit according to the operation sequence, and the lowest management unit is used for presetting the storage sequence of the storage unit and controlling the read-write operation of the storage unit according to the storage sequence, so that a plurality of storage links can sequentially execute the read-write operation or simultaneously execute the read-write operation. The storage system with configurable performance and power consumption has the characteristics of configurable capacity, performance and power consumption and strong expansibility.
Description
Technical Field
The invention belongs to the technical field of storage, and particularly relates to a configurable storage array system, a control method thereof and communication equipment.
Background
Data storage systems for computing applications include storage devices such as hard disk drives, floppy disk drives, tape drives, SSD solid state drives, compact disk drives, and the like. As the number and complexity of these applications increase, the need for greater storage capacity also grows proportionally. As such, the production of mass storage devices is also increasing, however, the capacity and performance of individual storage devices is limited by physical limitations such as size specifications and media characteristics. Accordingly, to meet the increasing demand for increased storage capacity, various data storage system configurations and topologies employing multiple storage devices are commonly used.
The satellite-borne computer has the characteristics of high reliability and long service life, the requirement on the reliability of a memory, particularly a program memory, is strict, the operation of the satellite-borne computer is directly influenced by data errors of the program memory, even the safety of the whole satellite is influenced, and meanwhile, the requirements of data sources of different satellites on a storage system are different. Therefore, a storage system structure needs to be designed, which has extensibility and compatibility on the premise of ensuring reliability and performance.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention provides a configurable storage array system, a control method thereof, and a communication device. The technical problem to be solved by the invention is realized by the following technical scheme:
one aspect of the present invention provides a configurable storage array system comprising a management module and a storage module, the management module comprising a cascade of multiple levels of management units, the storage module comprising a plurality of storage units, wherein,
in the multi-level management unit, each upper management unit is connected with a plurality of lower management units, and each lowest management unit is connected with a plurality of storage units;
the multilevel management unit and the plurality of storage units together form a plurality of storage links;
the upper management unit is used for presetting the operation sequence of the lower management unit and controlling the operation of the lower management unit according to the operation sequence, and the lowest management unit is used for presetting the storage sequence of the storage unit and controlling the read-write operation of the storage unit according to the storage sequence, so that a plurality of storage links can sequentially execute the read-write operation or simultaneously execute the read-write operation.
In an embodiment of the present invention, each management unit in the multiple levels of management units includes a configuration unit, and the configuration unit is configured to preset an operation sequence of each management unit.
In an embodiment of the present invention, the configuration unit in the lowest level management unit is further configured to preset a storage order of a plurality of the storage units connected to the current lowest level management unit.
In one embodiment of the present invention, each of the lowest level management units is connected with at least one redundant fault-tolerant unit, and the redundant fault-tolerant unit has the same structure as the storage unit;
and the lowest management unit is also used for controlling the redundant fault-tolerant unit to replace the current storage unit to enter a read-write state when the current storage unit in the storage sequence fails.
In an embodiment of the present invention, the management module includes a primary management unit, the primary management unit is connected to a plurality of secondary management units, each of the secondary management units is connected to a plurality of tertiary management units, each of the tertiary management units is connected to a plurality of lowest level management units, and each of the lowest level management units is connected to a plurality of the storage units.
Another aspect of the present invention provides a control method for controlling the configurable storage array system described in any one of the above embodiments, the method comprising:
setting the operation sequence of a multilevel management unit in the management module and the storage sequence of at least one part of storage units in the storage module through a configuration unit;
supplying power to a management unit in an operating state and a management unit to be in an operating state and a storage unit in a read-write state and a storage unit to be in a read-write state;
and performing read-write operation on the corresponding storage units in the storage module according to the storage sequence.
In an embodiment of the present invention, supplying power to a management unit in an operating state and a management unit about to be in an operating state, and a storage unit in a read-write state and a storage unit about to be in a read-write state includes:
and according to the running sequence and the storage sequence, supplying power to the management unit in the running state, the management unit next to the management unit in the running state, the storage unit in the read-write state and the storage unit next to the storage unit in the read-write state through a power module, and enabling the rest management units and the rest storage units to be in a low-energy consumption state.
In an embodiment of the present invention, performing read/write operations on corresponding storage units in the storage module according to the storage order includes:
judging whether a current storage unit to be stored is damaged according to a storage sequence, if so, replacing the damaged current storage unit by using a redundant fault-tolerant unit to perform read-write operation; if not, performing read-write operation on the current storage unit;
and when the residual storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a preset threshold value, enabling the next storage unit of the current storage unit to enter a read-write state according to the storage sequence.
In an embodiment of the present invention, when the remaining storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a predetermined threshold, the step of enabling a next storage unit of the current storage unit to enter a read-write state in a storage order includes:
judging whether the residual storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a preset storage threshold value or not, and if not, continuing to execute the read-write operation; and if so, controlling the next storage unit of the current storage unit to perform read-write operation according to the storage sequence, and simultaneously enabling the current storage unit or the redundant fault-tolerant unit to enter a low-power consumption state after a preset time.
A further aspect of the invention provides a communication device comprising a performance power consumption configurable memory system as described in any of the above embodiments.
Compared with the prior art, the invention has the beneficial effects that:
1. the configurable storage array system comprises a management module and a storage module, wherein the management module comprises cascaded multilevel management units, the storage module comprises a plurality of storage units, the multilevel management units control the switching and storage sequence of the plurality of storage units, and the storage array system with configurable capacity, performance and power consumption and strong expansibility can be formed outwards and can be applied to various satellite load data storage systems.
2. The configurable storage array system comprises a redundant fault-tolerant unit, the redundant fault-tolerant unit and the storage unit have the same structure, and when the storage unit fails, the redundant fault-tolerant unit can be controlled to replace the failed storage unit to enter a read-write state so as to ensure the consistency of the system.
3. The control method of the configurable storage array system only supplies power to the management module and the storage module which are in the running state and are about to enter the running state in sequence, and other management modules and storage modules are in the low-energy consumption state, so that the power consumption of the whole process can be greatly reduced.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural diagram of a configurable storage array system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another configurable storage array system according to an embodiment of the present invention;
FIG. 3 is a flowchart of a control method for a configurable storage array system according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, a system of a configurable memory array, a control method thereof, and a communication device according to the present invention are described in detail below with reference to the accompanying drawings and the detailed description.
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. The technical means and effects of the present invention adopted to achieve the predetermined purpose can be more deeply and specifically understood through the description of the specific embodiments, however, the attached drawings are provided for reference and description only and are not used for limiting the technical scheme of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device comprising the element.
Example one
Referring to fig. 1, fig. 1 is a schematic structural diagram of a configurable memory array system according to an embodiment of the present invention. The configurable storage array system comprises a management module 1 and a storage module 2, wherein the management module 1 comprises cascaded multi-level management units, the storage module 2 comprises a plurality of storage units, each upper-level management unit is connected with a plurality of lower-level management units, and each lowest-level management unit is connected with a plurality of storage units; the multilevel management unit and the plurality of storage units together form a plurality of storage links; the upper management unit is used for presetting the operation sequence of the lower management unit and controlling the operation of the lower management unit according to the operation sequence, and the lowest management unit is used for presetting the storage sequence of the storage unit and controlling the read-write operation of the storage unit according to the storage sequence, so that a plurality of storage links can sequentially execute the read-write operation or simultaneously execute the read-write operation.
Furthermore, each management unit in the multi-level management units includes a configuration unit, and the configuration unit is used for presetting an operation sequence of each management unit. The configuration unit in the lowest level management unit is further configured to preset a storage order of the plurality of storage units connected to the current lowest level management unit. Specifically, the configuration unit determines the data routing path of the entire storage system, and determines whether the storage units are used sequentially or concurrently. In this embodiment, the configuration unit includes a configuration file, and the configuration file is an input of the configuration unit and is used for a user to input and change a corresponding sequence instruction. The management unit determines how to drive the next level management unit or the lowest level storage unit to respond to the request according to the configuration file and the storage address corresponding to the data requested by the current user. The command is a set of self-defined communication protocol, and can be realized by various physical interfaces, such as optical fibers, GTX/GTH, LVDS and the like. If the performance problem is not considered, the system CAN also be CAN, UART and the like. In this embodiment, the configuration unit may be factory set during the preparation process of the storage array system to adapt to the normal situation, however, during the actual use process, for example, during the operation process of the spacecraft using the storage system, the setting data in the configuration unit may be modified and updated by the remote control system to adapt to the actual use situation.
The storage unit is a standard storage module, can be constructed based on an autonomous controllable aerospace-level storage controller, and can provide standardization. In this embodiment, the storage unit may be an SSD disk, or may be a hard disk, or a memory chip similar to an EMMC.
The management unit comprises a middle-level management unit and a lowest-level management unit, wherein the lowest-level management unit can form a first-level storage array by managing a certain number of storage units; the intermediate-level management unit has the capability of becoming a multi-level storage array routing node, and theoretically unlimited storage capacity and performance can be formed outwards through the organization structure of the cascade connection of the multi-level management units. In this embodiment, the management unit is a processor including functions of a storage array controller, a data routing and distribution management unit, and data buffering.
In this embodiment, each level of management units, and the management units and the storage units may be connected by optical fiber, PCIE, or a universal high-speed serial bus, and the communication is completed by a self-defined protocol, including a data path protocol and a command path protocol.
Specifically, the management unit 1 comprises a first-level management unit to a K-level management unit (K is more than or equal to 2) which are cascaded with one another, wherein the first-level management unit is connected with a plurality of second-level management units and is used for presetting the operation sequence of the second-level management units and controlling the operation of the second-level management units according to the operation sequence in actual operation; each secondary management unit is connected with a plurality of tertiary management units and is used for presetting the operation sequence of the tertiary management units and controlling the operation of the tertiary management units according to the operation sequence in actual operation; each third-level management unit is connected with a plurality of fourth-level management units and used for presetting the operation sequence of the fourth-level management units and controlling the operation of the fourth-level management units according to the operation sequence in actual operation, and the like, and finally, each K-level management unit (namely, the lowest-level management unit) is connected with a plurality of storage units and used for presetting the storage sequence of the storage units and controlling the read-write operation of the storage units according to the storage sequence, and theoretically unlimited storage capacity and performance can be formed outwards through the cascaded organizational structure of the multistage management units. Based on the multi-level management unit and the plurality of storage units, the configurable storage array system may form a plurality of storage links, and the plurality of storage links may sequentially perform read/write operations or simultaneously perform read/write operations. That is, when the storage array system operates, the storage links may be selected one after another, or a plurality of links may work simultaneously and be used in parallel. When one storage link is started to operate, the power supply of the system only supplies power to units which are in operation and are about to operate, and other units are in a low power consumption state, so that the power consumption can be reduced; and the possible scenarios for parallel use are: when a user needs to write a batch of data, the batch of data is divided into clusters when being written into the storage system, each cluster is a logic concept, the cluster is not necessarily stored in a certain storage unit, but can be divided into smaller clusters, and each small cluster corresponds to a part stored in the storage unit. The object is that data of one cluster can be divided into many small clusters, and the small clusters are written into different storage units at the same time as viewed from the time axis, so that the storage performance can be improved. In summary, by selecting the two different operation modes, the configuration of the power consumption and the performance of the memory array system can be realized.
Further, the storage array system further comprises a power module, and the power module 3 is connected to the management module and the storage module, and is configured to supply power only to the management unit in the operating state and the management unit about to enter the operating state, and the storage unit in the read-write state and the storage unit about to enter the read-write state.
Specifically, the power module of this embodiment is a hierarchical power module, and includes a primary power supply, a secondary power supply, a tertiary power supply, and the like, and the hierarchy of the power module may be adapted to the hierarchy of the management unit, so as to charge the corresponding management unit or storage unit through different levels of power supplies.
In this embodiment, the power module 3 may supply power to only the management unit in the operating state, the management unit next to the management unit in the operating state, the storage unit in the read/write state, and the storage unit next to the storage unit in the read/write state according to a preset storage order, so that the remaining management unit and storage unit are in the low power consumption state. Further, the low power consumption state may be a power-off state or a sleep state.
The control method of the memory system with configurable performance power consumption comprises the following steps:
step 1: setting the operation sequence of a multilevel management unit in the management module and the storage sequence of at least one part of storage units in the storage module through a configuration unit;
step 2: supplying power to a management unit in an operating state and a management unit to be in an operating state and a storage unit in a read-write state and a storage unit to be in a read-write state;
and step 3: and performing read-write operation on the corresponding storage units in the storage module according to the storage sequence.
The configurable storage array system of the embodiment comprises a management module and a storage module, wherein the management module comprises cascaded multilevel management units, the storage module comprises a plurality of storage units, the multilevel management units control the switching and storage sequence of the plurality of storage units, and the storage array system with configurable capacity, performance and power consumption and strong expansibility can be formed outwards and can be applied to various satellite load data storage systems. The configurable storage array system comprises a redundant fault-tolerant unit, the redundant fault-tolerant unit and the storage unit have the same structure, and when the storage unit fails, the redundant fault-tolerant unit can be controlled to replace the failed storage unit to enter a read-write state so as to ensure the consistency of the system. The control method of the configurable storage array system only supplies power to the management module and the storage module which are in the running state and are about to enter the running state in sequence, and other management modules and storage modules are in the low-energy consumption state, so that the power consumption of the whole process can be greatly reduced.
Example two
On the basis of the above embodiments, the present embodiment provides another configurable storage array system. Referring to fig. 2, fig. 2 is a schematic structural diagram of another configurable storage array system according to an embodiment of the invention.
In this embodiment, the management module 1 includes a primary management unit M1, and ten secondary management units M are connected to the primary management unit M12-0-M2-9(ii) a In the next level, the first level two management unit M2-0Is connected with ten three-level management units M3-0-0-M3-0-9Second level management unit M2-1Is connected with ten three-level management units M3-1-0-M3-1-9By analogy, the tenth secondary management unit M2-9Is connected with ten three-level management units M3-9-0-M3-9-9(ii) a In the next level, each three-level management unit is respectively connected with ten four-level management unitsThe connection situation refers to other stages, which are not described in detail herein; then, ten storage units N are respectively connected to each four-level management unit0-N9. Therefore, a branch-mounted cascade structure is formed, and in the actual use process, the storage systems with different storage capacities can be obtained by setting the number of management units at each level and the number of storage units.
Based on the multi-level management unit and the plurality of storage units, the configurable storage array system may form a plurality of storage links, and the plurality of storage links may sequentially perform read/write operations or simultaneously perform read/write operations. That is, when the storage array system operates, the storage links may be selected one after another, or a plurality of links may work simultaneously and be used in parallel. For example, one storage link of this embodiment is: m1 → M2-0→M3-0-0→M4-0-0-0→N0(ii) a The other memory link is: m1 → M2-9→M3-9-9→M4-9-9-9→N9. When the storage link is preset, a plurality of storage links can be set to operate simultaneously so as to improve the storage performance.
As described above, the upper management unit is configured to preset an operation sequence of the lower management unit and control the operation of the lower management unit according to the operation sequence, and the lowest management unit is configured to preset a storage sequence of the storage unit and control the read-write operation of the storage unit according to the storage sequence.
In this embodiment, assuming that the set operation orders of the management units and the storage units are all the orders from small to large in number, the primary management unit M1 controls the operation of the first secondary management unit in the secondary management units during the storage execution; then, the first secondary management unit controls the operation of a first tertiary management unit in the tertiary management units; then, the first third-level management unit controls the operation of a first fourth-level management unit in the fourth-level management units; and then, the first four-level management unit controls a first storage unit connected with the first four-level management unit in a storage module to execute read-write operation, and stores the data to be stored.
When the current storage unit is full or the remaining storage capacity of the current storage unit is equal to or greater than a first preset threshold value, the first four-level management unit controls a second storage unit connected with the first four-level management unit in the storage module to execute read-write operation according to a preset storage sequence, and the data to be stored are stored.
In an actual design, each four-level management unit manages ten storage units to form an array structure of a full flash memory, which is called a first-level RAID array (disk array), and in the RAID array, each storage unit is the same as a standard SSD disk (Solid State Drive) and is organized in a parallel or serial configurable organization form based on the number of the storage units.
In this embodiment, each of the lowest level management units is connected to at least one redundant fault-tolerant unit C, and the redundant fault-tolerant unit C and the storage unit N are connected to the lowest level management unit0-N9The structure of the redundant fault-tolerant unit is the same, and the lowest management unit is also used for controlling the redundant fault-tolerant unit to replace the current storage unit to enter a read-write state when the current storage unit in the storage sequence fails.
For example, the storage system of this embodiment may be applied to a variety of satellite-borne data storage systems, for example, in a certain wide remote sensing satellite application, specifically, ten storage disks connected to each lowest-Level management unit are organized into an 8+2 structure, that is, each lowest-Level management unit includes 8 storage units and 2 redundant fault-tolerant units, where 8 storage units form a RAID array, and provide a total bandwidth of reading and writing 30Gbps to the outside in parallel, and the storage unit of this embodiment selects an industrial-Level 2DMLC (Multi-Level Cell Multi-layer Cell) flash memory particle, and the capacity may reach 4 TB; and the remaining 2 redundant fault-tolerant units provide a two-stage fault-tolerant mechanism for the system, that is, when the current storage unit fails, the state management unit can send an instruction to enable the redundant fault-tolerant unit 22 to replace the failed storage unit to enter a read-write state. For another example, in a certain 6U cubic satellite application, two storage disks of each lowest-level management unit form a 1+1 structure, that is, 1 storage unit and 1 redundant fault-tolerant unit are included, and a single storage unit is cut to 128GB capacity, which greatly reduces cost and power consumption. Based on the array structure, a storage system structure with high expansibility and compatibility can be formed, and the satellite storage requirements with different capacities, rates and service lives can be quickly iterated only by a configuration mode, so that the overall requirements are met.
The storage system of the embodiment comprises the redundant fault-tolerant unit, the redundant fault-tolerant unit and the storage unit have the same structure, and when the storage unit fails, the redundant fault-tolerant unit can be controlled to replace the failed storage unit to enter a read-write state so as to ensure the consistency of the system.
EXAMPLE III
On the basis of the foregoing embodiments, the present embodiment provides a control method for controlling the performance and power consumption configurable memory system described in any of the foregoing embodiments. Referring to fig. 3, fig. 3 is a flowchart illustrating a control method for a configurable storage array system according to an embodiment of the present invention.
The control method of the embodiment comprises the following steps:
s1: setting the operation sequence of a multilevel management unit in the management module and the storage sequence of at least one part of storage units in the storage module through a configuration unit;
specifically, each management unit in the multi-level management units includes a configuration unit, and the configuration unit is used for presetting an operation sequence of each management unit. The configuration unit in the lowest level management unit is further configured to preset a storage order of the plurality of storage units connected to the current lowest level management unit. Based on the multi-level management unit and the plurality of storage units, the configurable storage array system may form a plurality of storage links, and the plurality of storage links may sequentially perform read/write operations or simultaneously perform read/write operations.
S2: according to the running sequence and the storage sequence, power is supplied to the management units in the running state and the to-be-run state and the storage units in the reading and writing state and the to-be-read and written state, so that the rest management units and the rest storage units are in a low energy consumption state;
in this embodiment, the low power consumption state is a power supply stop state or a sleep state.
Specifically, according to the operation order and the storage order, power is supplied only to the management unit in the operation state, the management unit next to the management unit in the operation state, the storage unit in the read/write state, and the storage unit next to the storage unit in the read/write state, so that the remaining management unit and storage unit are in the low power consumption state.
S3: and performing read-write operation on the corresponding storage unit sequence in the storage module according to the storage sequence.
Further, the S3 includes:
s31: judging whether a current storage unit to be stored is damaged according to a storage sequence, if so, performing RESET recombination operation, and replacing the damaged current storage unit with a redundant fault-tolerant unit to perform read-write operation; if not, performing read-write operation on the current storage unit;
s32: and when the residual storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a preset threshold value, enabling the next storage unit of the current storage unit to enter a read-write state according to the storage sequence.
In an embodiment of the present invention, the S32 includes:
judging whether the residual storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a preset storage threshold value, if not, continuing to execute read-write operation, if so, controlling the next storage unit of the current storage unit to perform read-write operation according to the storage sequence, and simultaneously enabling the current storage unit or the redundant fault-tolerant unit to enter a low-power consumption state after preset time.
In use, the storage threshold may be sized according to the actual situation.
Example four
On the basis of the foregoing embodiments, the present embodiment provides a communication device including the memory system with configurable performance power consumption described in any one of the foregoing embodiments.
The above embodiments have explained the exemplary memory system of the present invention. It will be appreciated that the invention may also be embodied as a communication device or other device, such as: the system comprises a polyphonic ringtone server, an IPTV server, an electronic library server, an archiving management server, a data warehouse server and a mail processing server, wherein the equipment comprises the storage system according to the embodiment of the invention.
Those skilled in the art will readily appreciate that all or a portion of the steps described in the above embodiments may be implemented by associated hardware as a program that, when executed, assigns a prescribed order to the management units and storage units in the storage system, thereby organizing the sequence of storage units; setting one storage unit in the storage unit sequence as an active storage unit, and performing read-write operation; and causing a next memory cell in the sequence of memory cells following the active memory cell to enter an active state. The program may be stored in a computer readable storage medium (e.g., magnetic storage medium (e.g., hard disk drives, floppy disks, tape, etc.), optical storage (CD-ROMs, optical disks, etc.), volatile and non-volatile memory devices (e.g., EEPROMs, ROMs, PROMs, RAMs, DRAMs, SRAMs, etc.), or implemented as hardware logic (e.g., integrated circuit chips, Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs)).
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A configurable storage array system, comprising a management module (1) and a storage module (2), the management module (1) comprising a cascade of multi-level management units, the storage module (2) comprising a plurality of storage units, wherein,
in the multi-level management unit, each upper management unit is connected with a plurality of lower management units, and each lowest management unit is connected with a plurality of storage units;
the multilevel management unit and the plurality of storage units together form a plurality of storage links;
the upper management unit is used for presetting the operation sequence of the lower management unit and controlling the operation of the lower management unit according to the operation sequence, and the lowest management unit is used for presetting the storage sequence of the storage unit and controlling the read-write operation of the storage unit according to the storage sequence, so that a plurality of storage links can sequentially execute the read-write operation or simultaneously execute the read-write operation.
2. The configurable storage array system of claim 1, wherein each of the plurality of levels of management units comprises a configuration unit, and the configuration unit is configured to preset an operation sequence of each of the plurality of levels of management units.
3. The configurable storage array system of claim 2, wherein the configuration unit of the lowest level management unit is further configured to preset a storage order of a plurality of the storage units connected to the current lowest level management unit.
4. The configurable storage array system of claim 3, wherein each of said lowest level management units has at least one redundant fault tolerant unit connected thereto, said redundant fault tolerant unit having the same structure as said storage units;
and the lowest management unit is also used for controlling the redundant fault-tolerant unit to replace the current storage unit to enter a read-write state when the current storage unit in the storage sequence fails.
5. The configurable storage array system according to claim 1, wherein the management module (1) comprises a primary management unit, a plurality of secondary management units are connected to the primary management unit, a plurality of tertiary management units are connected to each secondary management unit, a plurality of lowest level management units are connected to each tertiary management unit, and a plurality of storage units are connected to each lowest level management unit.
6. A control method for controlling the configurable storage array system of any of claims 1 to 5, the method comprising:
setting the operation sequence of a multilevel management unit in the management module and the storage sequence of at least one part of storage units in the storage module through a configuration unit;
supplying power to a management unit in an operating state and a management unit to be in an operating state and a storage unit in a read-write state and a storage unit to be in a read-write state;
and performing read-write operation on the corresponding storage units in the storage module according to the storage sequence.
7. The control method according to claim 6, wherein supplying power to the management unit in an operating state and about to be in an operating state, and the storage unit in a read-write state and about to be in a read-write state, includes:
and according to the running sequence and the storage sequence, supplying power to the management unit in the running state, the management unit next to the management unit in the running state, the storage unit in the read-write state and the storage unit next to the storage unit in the read-write state through a power module, and enabling the rest management units and the rest storage units to be in a low-energy consumption state.
8. The control method according to claim 6, wherein performing read and write operations on the corresponding storage units in the storage module according to the storage order comprises:
judging whether a current storage unit to be stored is damaged according to a storage sequence, if so, replacing the damaged current storage unit by using a redundant fault-tolerant unit to perform read-write operation; if not, performing read-write operation on the current storage unit;
and when the residual storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a preset threshold value, enabling the next storage unit of the current storage unit to enter a read-write state according to the storage sequence.
9. The method according to claim 8, wherein when the remaining storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a predetermined threshold, the step of bringing the next storage unit of the current storage unit into a read-write state in the storage order comprises:
judging whether the residual storage capacity of the current storage unit or the redundant fault-tolerant unit is smaller than a preset storage threshold value or not, and if not, continuing to execute the read-write operation; and if so, controlling the next storage unit of the current storage unit to perform read-write operation according to the storage sequence, and simultaneously enabling the current storage unit or the redundant fault-tolerant unit to enter a low-power consumption state after a preset time.
10. A communication device comprising the configurable storage array system of any of claims 1-5.
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