CN115543191A - Data storage method, system, device and storage medium of PCIE SSD - Google Patents
Data storage method, system, device and storage medium of PCIE SSD Download PDFInfo
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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
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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
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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
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Abstract
The invention relates to the field of data storage, and discloses a PCIE SSD data storage method, a PCIE SSD data storage system, PCIE SSD data storage equipment and a storage medium. The method comprises the following steps: the host master control system sends a capacity data stream corresponding to the target storage data to enter a Device storage system; the Device storage system receives the capacity data stream, and constructs and processes a preset storage block according to a preset FTL protocol and the capacity data stream to obtain a minimum SuperBlk operation unit; the host master control system sends target storage data to a Device storage system; and the Device storage system receives the target storage data, and performs coding storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain the target storage data stored by the PCIE SSD.
Description
Technical Field
The present invention relates to the field of data storage, and in particular, to a PCIE SSD data storage method, system, device, and storage medium.
Background
At present, according to the management of PCIE SSD multistreams, reference may be made to the SSD storage architecture shown in fig. 1, and basically, the management is performed by a single type of SuperBlk, in the management of SSD multistreams, blocks in the same layer may be fixed as a storage object of the SuperBlk by an FTL protocol, and stream transmission channels connected by blocks in the same layer are simultaneously transmitted, so that the transmission efficiency is increased, the use speed of the SSD is increased, and a change under the SSD bottom layer cannot be known in a logical host layer, but data of other stream transmission channels is easily mixed in the management of the SuperBlk due to an excessively large granularity. Because each storage chain can only utilize Block from top to bottom, deleting certain SuperBlk data, certain Block residue of non-specified deleted data exists, and utilization of the storage space of the whole SSD is affected.
Therefore, in the transmission process, the Block of the same layer is used as the basic inherent SuperBlk setting, so that the SuperBlk storage space of the same layer is doped with other storage information, and the defect of reduction of the storage utilization space is caused in the SSD transportation process. A new technology is needed to solve the data disadvantage of the stream transmission channel that the space utilization rate of the SSD is reduced and the channel is easily mixed due to the overlarge SuperBlk management granularity of the current SSD.
Disclosure of Invention
The invention mainly aims to solve the technical problems that the space utilization rate of the SSD is reduced and the data of the stream transmission channel is easy to mix due to overlarge SuperBlk management granularity of the SSD.
The invention provides a data storage method of a PCIE SSD, which is applied to a data storage system of the PCIE SSD and comprises the following steps: host master control system, device storage system, the data storage method of PCIE SSD includes:
the host master control system sends a capacity data stream corresponding to target storage data to the Device storage system;
the Device storage system receives the capacity data stream, and constructs a preset storage block according to a preset FTL protocol and the capacity data stream to obtain a minimum SuperBlk operation unit;
the host master control system sends the target storage data to the Device storage system;
and the Device storage system receives the target storage data, and performs coding storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain target storage data stored by the PCIE SSD.
Optionally, in a first implementation manner of the first aspect of the present invention, the Device storage system includes: the method includes the following steps that N storage blocks are positive integers, the preset storage blocks are constructed according to a preset FTL protocol and the capacity data stream, and the minimum SuperBlk operation unit is obtained and comprises the following steps:
and selecting M storage blocks with the capacity corresponding to the capacity data stream according to a preset FTL protocol to construct a minimum SuperBlk operation unit, wherein M is a positive integer smaller than N.
Optionally, in a second implementation manner of the first aspect of the present invention, the Device storage system includes: the method comprises the following steps that N parallel storage blocks are used, N is a positive integer, M storage blocks with capacity corresponding to capacity data streams are selected according to a preset FTL protocol, and the minimum SuperBlk operation unit is constructed and comprises the following steps:
and selecting M parallel storage blocks with the capacity corresponding to the capacity data stream based on an FTL protocol to construct a minimum SuperBlk operation unit.
Optionally, in a third implementation manner of the first aspect of the present invention, the performing, according to the minimum SuperBlk operation unit, encoding and storing processing on the target storage data to obtain target storage data stored in the PCIE SSD includes:
judging whether the capacity of the minimum SuperBlk operation unit is larger than the capacity of the target storage data or not;
if so, storing the target storage data in the minimum SuperBlk operation unit to obtain target storage data stored in the PCIE SSD;
and if not, splitting and storing the target storage data to obtain the target storage data stored by the PCIE SSD.
Optionally, in a fourth implementation manner of the first aspect of the present invention, the splitting and storing the target storage data to obtain the target storage data stored by the PCIE SSD includes:
splitting the target storage data based on the capacity of the minimum SuperBlk operation unit to obtain Y split storage data, wherein Y is a positive integer;
and correspondingly storing the Y pieces of split storage data as basic storage units in the Y pieces of minimum SuperBlk operation units.
Optionally, in a fifth implementation manner of the first aspect of the present invention, the sending, by the host master control system, a volume data stream corresponding to target storage data into the Device storage system includes:
the host main control system receives a storage instruction, reads capacity data of target storage data corresponding to the storage instruction, and generates a stream data stream according to the capacity data;
and sending the stream data stream to the Device storage system.
A second aspect of the present invention provides a PCIE SSD data storage system, including:
host main control system, device storage system;
the host master control system is used for sending a capacity data stream corresponding to target storage data into the Device storage system;
the Device storage system is used for receiving the capacity data stream, and constructing a preset storage block according to a preset FTL protocol and the capacity data stream to obtain a minimum SuperBlk operation unit;
the host master control system is used for sending the target storage data into the Device storage system;
and the Device storage system is configured to receive the target storage data, and perform encoding storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain target storage data stored in the PCIE SSD.
A third aspect of the present invention provides a data storage device for a PCIE SSD, including: a memory having instructions stored therein and at least one processor, the memory and the at least one processor interconnected by lines; the at least one processor calls the instruction in the memory to enable the data storage device of the PCIE SSD to execute the data storage method of the PCIE SSD.
A fourth aspect of the present invention provides a computer readable storage medium, which has instructions stored therein, and when the computer readable storage medium runs on a computer, the computer is caused to execute the above PCIE SSD data storage method.
In the embodiment of the invention, the idea that minimum manageable SuperBlk space information is granularity is provided, and before a new stream storage information instruction operation is initiated, a host controller informs the numerical value of the expected storage target capacity of a stream data stream through a command, so that the FTL protocol flexibly sets SuperBlk space data to be most suitable for the numerical value of the capacity of the stream transmission data, the SuperBlk space data are prevented from being excessively developed, and the technical problem that the SSD space utilization rate is reduced and the data of a stream transmission channel which is easily mixed due to the overlarge SuperBlk management granularity is solved.
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FIG. 1 is a schematic diagram of an SSD storage architecture in the prior art;
fig. 2 is a schematic diagram of an embodiment of a data storage method of a PCIE SSD according to the embodiment of the present invention;
fig. 3 is a schematic diagram of an embodiment of a data storage system of a PCIE SSD in an embodiment of the present invention;
fig. 4 is a schematic diagram of another embodiment of a data storage system of a PCIE SSD in an embodiment of the present invention;
fig. 5 is a schematic diagram of an embodiment of a data storage device of a PCIE SSD in an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a PCIE SSD data storage method, a PCIE SSD data storage system, PCIE SSD data storage equipment and a storage medium.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," or "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of understanding, a specific flow of the embodiment of the present invention is described below, and please refer to fig. 2, an embodiment of a data storage method of a PCIE SSD in the embodiment of the present invention is that the data storage method of the PCIE SSD is applied to a data storage system of the PCIE SSD, and the data storage system of the PCIE SSD includes: host master control system, device storage system, the data storage method of PCIE SSD includes:
201. the host main control system sends a capacity data stream corresponding to the target storage data to enter a Device storage system;
in this embodiment, the host main control system is an upper computer, the host main control system can only check the data storage position, and cannot control the data storage logic, and for the host main control system, the host main control system can only be positioned in a storage disk in the Device storage system, but cannot control and feed back the storage process of the Device storage system, and the storage process of the Device storage system is calculated and calculated by a CPU in an SSD disk.
Further, the following steps may be performed in step 201:
2011. the host main control system receives the storage instruction, reads the capacity data of the target storage data corresponding to the storage instruction, and generates a stream data stream according to the capacity data;
2012. and transmitting the stream data stream to a Device storage system.
In the steps 2011-2012, a storage instruction of the target storage data is received by the host master control system, an expected storage space of the target storage data is calculated in advance, and based on a storage capacity value obtained by the storage instruction, a stream data stream is generated according to the obtained capacity value and is transmitted to the Device storage system.
202. The Device storage system receives the capacity data stream, and constructs and processes a preset storage block according to a preset FTL protocol and the capacity data stream to obtain a minimum SuperBlk operation unit;
in this embodiment, an instruction of the capacity data stream is received in the Device storage system, and the block contained in the SuperBlk is modified through the FTL protocol, where the SuperBlk is actually a logical setting, and the SuperBlk is used as a most basic unit in the reading and writing processes, but the writing and reading are still physically completed by the block, and the granularity of the SuperBlk is modified to obtain a minimum SuperBlk operation unit to match the target storage data to be transmitted.
Further, the Device storage system includes: n memory blocks, N being a positive integer, step 202 may perform the following operations:
2021. and according to a preset FTL protocol, M storage blocks with the capacity corresponding to the capacity data stream are selected to construct a minimum SuperBlk operation unit, wherein M is a positive integer smaller than N.
In step 2021, the Device storage system has N storage blocks without limiting whether the storage blocks are operated in the same layer, and may lock M storage blocks of multiple layers to be the minimum SuperBlk unit by using FTL protocol, where M is less than N.
Further, the Device storage system includes: n parallel memory blocks, N being a positive integer, the step 2021 may perform the steps of:
20211. and based on the FTL protocol, M parallel storage blocks with the capacity corresponding to the capacity data stream are selected and constructed into a minimum SuperBlk operation unit.
In step 20211, the Device storage system may open M parallel storage blocks in N parallel storage blocks of a hierarchy to determine a minimum SuperBlk unit, where M is a number smaller than N, and the minimum SuperBlk unit needs to perform read and write operations at the same layer granularity, and during the same chain transmission of the storage blocks, the read and storage processes may be limited to be performed within a small range.
203. The host main control system sends target storage data to a Device storage system;
204. and the Device storage system receives the target storage data, and performs coding storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain the target storage data stored by the PCIE SSD.
In steps 203-204, target storage data sent by the host master control system enters a Device storage system, and the target storage data directly enters each bolck block in the defined minimum SuperBlk operation unit under the FTL protocol, so as to complete target storage data stored in the PCIE SSD.
Further, in step 204, the following steps may be performed:
2041. judging whether the capacity of the minimum SuperBlk operation unit is larger than the capacity of target storage data or not;
2042. if so, storing the target storage data in the minimum SuperBlk operation unit to obtain target storage data stored in the PCIE SSD;
2043. if the data is not larger than the target storage data, splitting and storing the target storage data to obtain the target storage data stored by the PCIE SSD.
In the 2041-2043 steps, the estimated data may have a deviation, and if the capacity of the minimum SuperBlk operation unit is greater than the capacity of the target storage data, the target storage data may be written into the minimum SuperBlk operation unit in multiple channels by using a minimum-loss storage space, so as to obtain the target storage data stored in the PCIE SSD.
On the other hand, if the estimated value is smaller than the value to be actually stored, a part of the target storage data is stored by using the minimum SuperBlk operation unit. And opening a new minimum SuperBlk operation unit to store another part of target storage data, namely splitting the target storage data into a plurality of pieces of storage data and putting the storage data into the minimum SuperBlk operation unit.
Further, in step 2043, the following steps may be performed:
20431. splitting the target storage data based on the capacity of the minimum SuperBlk operation unit to obtain Y split storage data, wherein Y is a positive integer;
20432. and correspondingly storing the Y pieces of split storage data as basic storage units in the Y pieces of minimum SuperBlk operation units.
In the 20431-20432 steps, the target storage data can be split into a plurality of pieces based on the capacity size of the minimum SuperBlk operation unit, and if the target storage data is 4.5 times the capacity size of the minimum SuperBlk operation unit, the target storage data is split into 5 pieces, then 5 minimum SuperBlk operation units are created, and according to the inherent storage logic of the SSD, the target storage data is split into 5 pieces and sequentially stored in the 5 minimum SuperBlk operation units, so that the modification of the storage granularity is completed.
In the embodiment of the invention, the idea that the minimum manageable SuperBlk space information is granularity is provided, and before a new stream storage information instruction operation is initiated by a host main control computer, the numerical value of the expected storage target capacity of the stream data stream is informed through a command, so that the FTL protocol flexibly sets the SuperBlk space data to be maximally adapted to the capacity numerical value of the stream transmission data, the SuperBlk space data is prevented from being excessively developed, and the technical problem that the SSD space utilization rate is reduced due to the excessively large SuperBlk management granularity, and the data of a stream transmission channel which is easy to mix is solved.
Referring to fig. 3, in the above description of the data storage method of the PCIE SSD according to the embodiment of the present invention, the following description describes a data storage system of the PCIE SSD according to the embodiment of the present invention, where an embodiment of the data storage system of the PCIE SSD includes:
host master control system 301, device storage system 302;
the host master control system 301 is configured to send a volume data stream corresponding to target storage data into the Device storage system;
the Device storage system 302 is configured to receive the volume data stream, and construct a preset storage block according to a preset FTL protocol and the volume data stream to obtain a minimum SuperBlk operation unit;
the host master control system 301 is configured to send the target storage data into the Device storage system;
the Device storage system 302 is configured to receive the target storage data, and perform encoding and storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain target storage data stored in the PCIE SSD.
In the embodiment of the invention, the idea that minimum manageable SuperBlk space information is granularity is provided, and before a new stream storage information instruction operation is initiated, a host controller informs the numerical value of the expected storage target capacity of a stream data stream through a command, so that the FTL protocol flexibly sets SuperBlk space data to be most suitable for the numerical value of the capacity of the stream transmission data, the SuperBlk space data are prevented from being excessively developed, and the technical problem that the SSD space utilization rate is reduced and the data of a stream transmission channel which is easily mixed due to the overlarge SuperBlk management granularity is solved.
Referring to fig. 4, in another embodiment of the data storage system of a PCIE SSD according to the embodiment of the present invention, the data storage system of a PCIE SSD includes:
host master control system 301, device storage system 302;
the host master control system 301 is configured to send a volume data stream corresponding to target storage data into the Device storage system;
the Device storage system 302 is configured to receive the volume data stream, and construct a preset storage block according to a preset FTL protocol and the volume data stream to obtain a minimum SuperBlk operation unit;
the host master control system 301 is configured to send the target storage data into the Device storage system;
the Device storage system 302 is configured to receive the target storage data, and perform encoding and storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain target storage data stored in the PCIE SSD.
The host master control system 301 is specifically configured to:
the host main control system receives a storage instruction, reads capacity data of target storage data corresponding to the storage instruction, and generates a stream data stream according to the capacity data;
and sending the stream data stream to the Device storage system.
Wherein the Device storage system comprises: n storage blocks, where N is a positive integer, the Device storage system 302 is specifically configured to:
and selecting M storage blocks with the capacity corresponding to the capacity data stream according to a preset FTL protocol to construct a minimum SuperBlk operation unit, wherein M is a positive integer smaller than N.
Wherein the Device storage system comprises: n parallel memory blocks, where N is a positive integer, the Device storage system 302 is further configured to:
and selecting M parallel storage blocks with the capacity corresponding to the capacity data stream based on an FTL protocol to construct a minimum SuperBlk operation unit.
Wherein the Device storage system 302 comprises:
a judging module 3021, configured to judge whether the capacity of the minimum SuperBlk operation unit is greater than the capacity of the target storage data;
a basic storage module 3022, configured to store the target storage data in the minimum SuperBlk operation unit if the target storage data is larger than the minimum SuperBlk operation unit, so as to obtain target storage data stored in the PCIE SSD;
the split storage module 3023 is configured to split and store the target storage data if the target storage data is not greater than the predetermined threshold, so as to obtain target storage data stored in the PCIE SSD.
The split storage module 3023 is specifically configured to:
splitting the target storage data based on the capacity of the minimum SuperBlk operation unit to obtain Y split storage data, wherein Y is a positive integer;
and correspondingly storing the Y pieces of split storage data as basic storage units in the Y pieces of minimum SuperBlk operation units.
In the embodiment of the invention, the idea that minimum manageable SuperBlk space information is granularity is provided, and before a new stream storage information instruction operation is initiated, a host controller informs the numerical value of the expected storage target capacity of a stream data stream through a command, so that the FTL protocol flexibly sets SuperBlk space data to be most suitable for the numerical value of the capacity of the stream transmission data, the SuperBlk space data are prevented from being excessively developed, and the technical problem that the SSD space utilization rate is reduced and the data of a stream transmission channel which is easily mixed due to the overlarge SuperBlk management granularity is solved.
Fig. 3 and fig. 4 describe the data storage system of the PCIE SSD in the embodiment of the present invention in detail from the perspective of the modular functional entity, and describe the data storage device of the PCIE SSD in the embodiment of the present invention in detail from the perspective of hardware processing.
Fig. 5 is a schematic structural diagram of a data storage device of a PCIE SSD according to an embodiment of the present invention, where the data storage device 500 of the PCIE SSD may generate a relatively large difference due to different configurations or performances, and may include one or more processors (CPUs) 510 (e.g., one or more processors) and a memory 520, and one or more storage media 530 (e.g., one or more mass storage devices) for storing applications 533 or data 532. Wherein the memory 520 and storage media 530 may be transient or persistent storage. The program stored on the storage medium 530 may include one or more modules (not shown), each of which may include a series of instruction operations for the data storage device 500 of the PCIE SSD. Further, the processor 510 may be configured to communicate with the storage medium 530, and execute a series of instruction operations in the storage medium 530 on the data storage device 500 of the PCIE SSD.
The PCIE SSD-based data storage device 500 may also include one or more power supplies 540, one or more wired or wireless network interfaces 550, one or more input-output interfaces 560, and/or one or more operating systems 531, such as Windows server, mac OS X, unix, linux, freeBSD, and the like. Those skilled in the art will appreciate that the data storage device structure of the PCIE SSD shown in fig. 5 does not constitute a limitation of the PCIE SSD-based data storage device, and may include more or less components than those shown, or some components may be combined, or a different arrangement of components.
The present invention also provides a computer-readable storage medium, which may be a non-volatile computer-readable storage medium, or a volatile computer-readable storage medium, where instructions are stored, and when the instructions are executed on a computer, the instructions cause the computer to execute the steps of the data storage method for the PCIE SSD.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system or the system and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic or optical disk, or other various media capable of storing program codes.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A data storage method of a PCIE SSD is characterized in that the data storage method of the PCIE SSD is applied to a data storage system of the PCIE SSD, and the data storage system of the PCIE SSD comprises: the host master control system and the Device storage system are provided, and the data storage method of the PCIE SSD comprises the following steps:
the host master control system sends a capacity data stream corresponding to target storage data to the Device storage system;
the Device storage system receives the capacity data stream, and constructs a preset storage block according to a preset FTL protocol and the capacity data stream to obtain a minimum SuperBlk operation unit;
the host master control system sends the target storage data to the Device storage system;
and the Device storage system receives the target storage data, and performs coding storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain target storage data stored by the PCIE SSD.
2. The method of claim 1, wherein the Device storage system comprises: the method includes the following steps that N storage blocks are positive integers, the preset storage blocks are constructed according to a preset FTL protocol and the capacity data stream, and the minimum SuperBlk operation unit is obtained and comprises the following steps:
and selecting M storage blocks with the capacity corresponding to the capacity data stream according to a preset FTL protocol to construct a minimum SuperBlk operation unit, wherein M is a positive integer smaller than N.
3. The method of claim 2, wherein the Device storage system comprises: the method comprises the following steps that N parallel storage blocks are selected, wherein N is a positive integer, M storage blocks with the capacity corresponding to the capacity data flow are selected according to a preset FTL protocol, and the minimum SuperBlk operation unit is constructed by the following steps:
and based on an FTL protocol, selecting M parallel storage blocks with the capacity corresponding to the capacity data stream to construct a minimum SuperBlk operation unit.
4. The PCIE SSD data storage method of claim 1, wherein the performing, according to the minimum SuperBlk operation unit, encoding and storing processing on the target storage data to obtain target storage data stored in the PCIE SSD comprises:
judging whether the capacity of the minimum SuperBlk operation unit is larger than the capacity of the target storage data or not;
if so, storing the target storage data in the minimum SuperBlk operation unit to obtain target storage data stored in the PCIE SSD;
and if not, splitting and storing the target storage data to obtain the target storage data stored by the PCIE SSD.
5. The PCIE SSD data storage method of claim 4, wherein the splitting storage processing the target storage data to obtain the target storage data stored by the PCIE SSD comprises:
splitting the target storage data based on the capacity of the minimum SuperBlk operation unit to obtain Y split storage data, wherein Y is a positive integer;
and correspondingly storing the Y pieces of split storage data as basic storage units in the Y pieces of minimum SuperBlk operation units.
6. The method of claim 1, wherein the host control system sending a volume data stream corresponding to target storage data into the Device storage system comprises:
the host main control system receives a storage instruction, reads capacity data of target storage data corresponding to the storage instruction, and generates a stream data stream according to the capacity data;
and sending the stream data stream to the Device storage system.
7. A data storage system of PCIE SSD is characterized in that the data storage system of PCIE SSD comprises:
host master control system, device storage system;
the host master control system is used for sending a capacity data stream corresponding to the target storage data into the Device storage system;
the Device storage system is used for receiving the capacity data stream, and constructing and processing a preset storage block according to a preset FTL protocol and the capacity data stream to obtain a minimum SuperBlk operation unit;
the host master control system is used for sending the target storage data into the Device storage system;
and the Device storage system is configured to receive the target storage data, and perform encoding storage processing on the target storage data according to the minimum SuperBlk operation unit to obtain target storage data stored in the PCIE SSD.
8. A data storage device of a PCIE SSD, the data storage device of the PCIE SSD comprises: a memory having instructions stored therein and at least one processor, the memory and the at least one processor interconnected by a line;
the at least one processor invoking the instructions in the memory to cause the data storage device of the PCIE SSD to perform the data storage method of the PCIE SSD of any one of claims 1-6.
9. A computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the data storage method of a PCIE SSD as recited in any of claims 1-6.
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| CN202211139715.6A CN115543191A (en) | 2022-09-19 | 2022-09-19 | Data storage method, system, device and storage medium of PCIE SSD |
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