2096 results about "Solid-state" patented technology

The invention relates to the technical field of hard disk testing and verification, in particular to a multi-thread-based solid state disk reliability automatic testing method and system.The method comprises the steps that firstly, SMART information is deeply analyzed through microsecond-level high-granularity continuous performance monitoring, and multi-thread parallel processing is assisted; according to the method, fine performance fluctuation of the solid state disk under the concurrent load can be quickly captured, a fault mode can be identified, then early warning is realized by utilizing the extracted multi-dimensional features and a machine learning model, and a detailed fault diagnosis report is generated; and through dynamic error correction code strength verification and data integrity verification under pressure, an internal error correction mechanism of the solid state disk is actively detected and optimized. And finally, in combination with prediction reliability modeling, the system can estimate the remaining service life and predict faults, and provides product optimization suggestions for design, manufacturing and firmware optimization of the solid state disk, so that automation, intelligence and full life cycle management of the fault detection reliability of the solid state disk are realized.

The invention discloses an SSD testing method, system, device and equipment and a storage medium, and relates to the technical field of solid state disk testing, and the method comprises the steps that firstly, a test request is responded, and a standardized test environment is constructed by deploying a test environment mirror image; and then an iterative testing process is executed on the SSD to be tested in the environment. The key of the iterative test process is that the real-time performance of the SSD to be tested in each round of test can be obtained, and the performance is compared with a preset performance standard. When a comparison result meets a specific condition, the system automatically adjusts and optimizes execution parameters used in the next round of test. According to the method and the device, the dynamic association between the performance indexes and the subsequent test parameters is established, so that the test process can be self-adjusted according to the actual performance of the SSD to be tested, and the limitation caused by the fact that the test parameters are fixed in the prior art is overcome.

The invention discloses a solid state disk management system and a data processing method, and relates to the technical field of solid state disk management. Flexible task scheduling and resource management are provided through a lightweight operating system module, and a computing task program defined by a user is supported to be dynamically loaded; edge computing or machine learning operators are efficiently executed in combination with a programmable hardware processing unit and a DMA channel of the computing acceleration engine module, the data preloading module is utilized to predict and preload data to DDR based on LBA access history, access delay is reduced, an NVMe protocol is expanded by means of the task unloading interface module, host task issuing and result returning are achieved, and the data processing efficiency is improved. And hardware-level memory protection is ensured through the security isolation module, so that the data calculation processing capacity of the solid state disk is remarkably improved, localized calculation tasks such as edge calculation and machine learning are supported, mass data transmission is effectively reduced, and bus and network loads are relieved.

The invention discloses a method, system and equipment for monitoring the running state of a solid state disk and a storage medium, and belongs to the technical field of monitoring the running state of the solid state disk, and the method comprises the following steps: S1, monitoring core indexes during running of different solid state disks, including a health degree index, a performance index and an environment and hardware index; field mapping tables are established for different models of solid state disks, and SMART attributes of different manufacturers are uniformly converted into self-defined indexes; the main control temperature, the writing speed, the reading error rate and the environment temperature are combined, and the temperature values of different areas of the NAND are predicted; and the temperature, the voltage and the write-in magnification are combined to correct the residual life of the solid state disk. According to the method, the SMART attribute indexes are unified, the NAND temperature is accurately predicted, and the service life is predicted in combination with multiple factors, so that the operation and maintenance efficiency of the solid state disk can be effectively improved, and a safety guarantee is provided for stable operation of the solid state disk.

The invention discloses an SSD (Solid State Disk) cache management method, which relates to the technical field of SSDs, and comprises the following steps: step 1, cache space division: the cache space of the SSD is divided into a plurality of different types of sub-cache regions, and each sub-cache region at least comprises a hot data cache region, a cold data cache region and an intermediate data cache region; 2, data popularity monitoring: monitoring the access frequency of the data stored in the SSD in real time, judging the popularity level of the data according to the access frequency, judging the data with the access frequency higher than a set threshold as hot data, judging the data with the access frequency lower than another set threshold as cold data, and judging the data between the hot data and the cold data as intermediate data; 3, data cache allocation: according to the heat level of the data, storing hot data into a hot data cache region, storing cold data into a cold data cache region, and storing intermediate data into an intermediate data cache region; the cache utilization rate and the read-write performance are comprehensively improved, and the delay is reduced.

The invention discloses a solid state disk performance fluctuation test method, device and equipment and a storage medium, and relates to the technical field of performance tests.A corresponding test action sequence is generated according to a performance test instruction, a plurality of test actions are organized into a standard test process capable of being repeatedly executed, and the performance fluctuation test efficiency is improved. The influence of the difference of manual test operation execution on the test result is eliminated, the performance fluctuation test result of the to-be-tested solid state disk is calculated based on the storage performance index of the to-be-tested solid state disk in the test action sequence execution process, and objective evaluation of the performance fluctuation of the solid state disk is realized on the basis of sufficient data support. The automation and standardization of the test are realized from the two aspects of the test process and the result evaluation, and the efficiency and accuracy of the test are improved.

The invention relates to the technical field of data storage, and discloses an intelligent hierarchical storage method and system for cold and hot data of a solid state disk, and the method comprises the steps: collecting spatial position change data and vibration state data, and carrying out the preprocessing to obtain a multi-dimensional feature data set; performing quantification processing on the influence degree of the spatial position change data and the vibration state data to obtain an interference weight value; constructing a joint feature matrix based on the interference weight value and the historical access record, and predicting hotspot data distribution; if the matching degree of the hotspot data distribution and the current storage layout is lower than a preset matching degree threshold value, migrating the high-frequency access data to a low-delay area to obtain an optimized storage layout; when the access response time is larger than a preset time threshold value, log data are generated, and delay load features are extracted; and carrying out secondary adjustment on the optimized storage layout to obtain a final dynamic storage scheme. According to the method, dynamic optimization of the storage performance of the solid state disk can be realized, and delay loss caused by cold and hot data mismatching is reduced.

The invention discloses a solid state disk data storage method, device and equipment and a storage medium, and relates to the technical field of hard disk management, and the method comprises the steps: obtaining a life value corresponding to each flash memory block in a target solid state disk, and dividing the life value into a preparatory TLC region and a preparatory SLC region; based on the current space utilization rate of the target solid state disk, the data proportion of the current hot data to the cold data and the access proportion of the cold data write access times to the total write access times, determining the target partition proportion of the TLC area and the SLC area, and based on the target partition proportion, determining the current TLC area and the current SLC area; and migrating and storing hot data in the first current storage data to the current SLC area and migrating and storing cold data in the second current storage data to the current TLC area based on the data access frequencies corresponding to the first current storage data in the current TLC area and the second current storage data in the current SLC area. Therefore, automatic hierarchical storage of the hard disk data can be realized.

The invention discloses a power consumption optimization method and device of a solid state disk controller, equipment and a medium, and relates to the field of computers, and the method comprises the following steps: determining an uplink bandwidth demand and a downlink bandwidth demand of a nonvolatile memory fast solid state disk controller according to a response rate of a completion queue and a target attribute of each input / output request; determining a unidirectional maximum transmission bandwidth of the communication bus according to a link rate and a link width of the communication bus, and determining a current uplink bandwidth utilization rate and a current downlink bandwidth utilization rate of the communication bus according to the unidirectional maximum transmission bandwidth, the uplink bandwidth demand and the downlink bandwidth demand; and adjusting the link rate of the communication bus according to the current uplink bandwidth utilization rate and the current downlink bandwidth utilization rate. According to the method and the device, the power consumption optimization of the nonvolatile memory fast solid state disk controller is realized.

The invention belongs to the technical field of computer storage, and particularly relates to a solid state disk data management and efficient storage distribution method, which comprises a data characteristic sensing and classifying unit, a data characteristic sensing and classifying unit, a data processing unit, a data storage unit and a data distribution unit, wherein the data characteristic sensing and classifying unit is configured for analyzing write-in request data flow entering a solid state disk in real time or periodically, extracting various characteristic parameters associated with data blocks and storing the data blocks; classifying the data on the basis of the characteristic parameters, and distributing one or more data classification labels for each data block to be written or stored; and the self-adaptive storage allocation strategy unit is configured to be used for dynamically selecting an optimal physical block for data writing according to the data classification label and in combination with the physical block state information of the current flash memory medium. According to the invention, the solid state disk can better adapt to various dynamic and variable workloads, and especially shows more excellent continuous write-in performance, lower delay jitter and obviously prolonged service life when processing a large amount of random write-in, small block write-in and write amplification sensitive applications.

The invention relates to the technical field of data storage, and discloses a solid state disk total write-in data volume testing method, which comprises the following steps of: initializing a testing environment and self-adaptive parameter configuration of a solid state disk; creating a plurality of parallel data acquisition threads, acquiring test data through the data acquisition threads, and storing the acquired test data into a database; establishing a preset health degree evaluation model, analyzing the collected test data in real time according to a preset health degree index system, dynamically adjusting a test load based on a dynamic acceleration stress model and according to the real-time state of the solid state disk, executing a corresponding test operation according to an adjustment result, and recording a test result; and analyzing the test result, and automatically generating a test report according to the analysis result. According to the method, the dynamic acceleration stress model is introduced, so that the test load is dynamically adjusted according to the real-time state of the SSD, and the test efficiency and accuracy are improved.

The invention discloses a data storage method, electronic equipment, a storage medium and a program product, and relates to the technical field of computers, a write request is received, and the write request is used for indicating to write target data in a solid state disk; according to the write request, determining a target association relationship between a target logic address and a target physical address of the target data in the solid state disk; the target association relationship is stored in a temporary cache region, after a cache threshold value of the temporary cache region reaches a preset threshold value, the target association relationship is stored in a target storage unit of the solid state disk, and the target storage unit is a physical storage medium used for storing the association relationship. The processing efficiency of data storage can be improved.

The invention relates to the technical field of data storage optimization, and discloses a solid state disk wear leveling global optimization method and system based on multi-granularity data features. The solid state disk wear leveling global optimization method specifically comprises the following steps that S101, lightweight data feature monitoring points with blocks, units and chips as basic granularity are deployed in a solid state disk controller, and original multi-dimensional data features related to wear are continuously collected and quantified in real time, all collected multi-dimensional data features are converted into dimensionless feature scores which can be transversely compared through normalization processing. According to the method, multi-dimensional feature fusion and normalization processing of three-level granularity of blocks, units and chips of a fixed hard disk are utilized, a prediction model based on a time sequence is combined, a dynamic risk thermodynamic diagram covering the whole disk is generated, a system can accurately position current and future potential abrasion hot spots, and the system reliability is improved. And passive equalization operation is converted into active risk prevention.

The invention discloses a dormancy and awakening system and method of an enterprise-level solid state disk, and belongs to the technical field of power consumption management of the enterprise-level solid state disk. According to the system, a nonvolatile cache unit, an independent hardware state machine and an ultra-low power consumption wake-up detection circuit are integrated in a main controller. When entering the dormancy state, key data such as an FTL mapping table are stored in a nonvolatile cache, then the power management module cuts off power supply to the NAND flash memory and the main control core, and only the operation of the minimum circuit is maintained, so that the dormancy power consumption is reduced to be below 100mW; and during wakeup, the detection circuit identifies a physical layer signal to trigger rapid power-on, and the hardware state machine directly recovers the system state from the cache and bypasses the software initialization process, so that wakeup is completed and the NAND access capability is reconstructed within 1ms, and the industrial problem that ultra-low power consumption and rapid wakeup cannot be considered at the same time is effectively solved.

Exemplary methods and apparatus are provided for implementing a deep learning accelerator (DLA) or other neural network components within the die of a non-volatile memory (NVM) apparatus using, for example, under-the-array circuit components within the die. Some aspects disclosed herein relate to configuring the under-the-array components to implement feedforward DLA operations. Other aspects relate to backpropagation operations. Still other aspects relate to using an NAND-based on-chip copy with update function to facilitate updating synaptic weights of a neural network stored on a die. Other aspects disclosed herein relate to configuring a solid state device (SSD) controller for use with the NVM. In some aspects, the SSD controller includes flash translation layer (FTL) tables configured specifically for use with neural network data stored in the NVM.

The invention relates to the field of computer security, and discloses a data storage security protection method and system based on a solid-state hard disk, which comprises the following steps: identifying the inherent physical difference of a flash memory chip in the solid-state hard disk so as to calculate the read-write time sequence micro-deviation of the solid-state hard disk; performing hash operation on the device root key and the unique identifier of the controller corresponding to the solid state disk to obtain a bound master control key; generating a temporary encryption key of the write-in operation to encrypt plaintext data of the host system to obtain ciphertext data; writing the ciphertext data into a flash memory physical page corresponding to the physical page address to obtain a ciphertext physical page address; when the access mode is a hostile attack mode, secretly updating the ciphertext physical page address into a new physical page address, and deleting the ciphertext physical page address; and when the access mode is a secure access mode and the verification key is consistent with the bound master control key, normal loading and data access requests of the solid state disk are allowed. According to the invention, the security and integrity of data storage can be improved.

The embodiment of the invention provides a heat dissipation structure of electronic equipment and the electronic equipment, and belongs to the technical field of electronic equipment.The heat dissipation structure of the electronic equipment comprises at least two heat conduction parts which are arranged at intervals, and the heat conduction parts are used for making contact with a heating element so as to transfer heat of the heating element; the cooling piece is arranged on any heat conduction part and is connected with the heat conduction part so as to exchange heat with the heat conduction part; the connecting piece is connected with the heat-conducting piece and the cooling piece, the cooling piece and / or the at least one heat-conducting part can rotate around the axis of the connecting piece, and the cooling piece and / or the at least one heat-conducting part have / has a preset position where a mounting gap is formed after rotating to be closed; the locking assembly is configured to detachably connect the cooling part at the preset position and / or at least one heat conduction part with the adjacent heat conduction part. According to the heat dissipation structure of the electronic equipment, the heat dissipation effect on the heating element can be enhanced, and installation and maintenance of the solid state disk are facilitated.

An electrical transmission safety system for connection of direct current (DC) power from a DC power source to a load comprises: a connection from the power source to the load, the connection comprising a positive terminal and a negative terminal; a first solid state switch electrically connected between the power source and one of the positive terminal and negative terminal; and a switch-control isolation block comprising a first optocoupler, the first optocoupler providing electrical isolation from the power source for generating a first isolated switch-control signal in response to a switch-control input signal, the switch-control isolation block connected to provide the first isolated switch-control signal to the first solid state switch to thereby control an ON or OFF conduction state of the first solid state switch and corresponding current flow between the power source and the load through the one of the positive terminal and negative terminal.

The invention discloses a key value storage system indexing method oriented to an NVM-NVMe SSD (Non-Volatile Memory-Non-Volatile Memory Express Solid State Disk) hybrid architecture, which comprises the following steps of: constructing a heterogeneous storage architecture taking cold and hot data perception as a core driving mechanism, coordinating and managing two types of storage media, namely a non-volatile memory NVM and a solid state disk NVMe SSD, and realizing efficient identification, layered writing and dynamic migration of cold and hot data. According to the method, the characteristics of low delay, durability and byte addressing of the NVM are utilized, the frequency and I / O overhead of Flush and Compaction operations are reduced in a data write-in path, meanwhile, the problem of mixed storage of cold and hot data is avoided, and therefore the overall performance and storage efficiency of a system are remarkably improved. In addition, by introducing an asynchronous migration module, the method can dynamically adapt to the change of data popularity along with time evolution, and effectively support high performance and high availability of the key value system in long-term operation.

The invention relates to the technical field of data processing, and discloses a data storage optimization method and system for a solid state disk. The method comprises the steps of performing pattern recognition on small object metadata through multi-dimensional access feature extraction, performing five-level popularity level division based on a flash memory perception popularity evaluation algorithm, performing multi-level storage region division on an SSD, performing intelligent resource allocation according to popularity levels and storage regions, and realizing dynamic adjustment processing through adaptive load monitoring. The technical problem of how to carry out intelligent hot-cold separation and dynamic hierarchical storage on the small object metadata to reduce the SSD storage cost in a massive small object storage environment generated by a cloud native application is solved.

The invention discloses a dynamic storage system, a dynamic storage method, electronic equipment and a storage medium, and relates to the technical field of data storage. The dynamic storage system comprises an environment perception module, a user behavior prediction module and a storage strategy generation module. The environment sensing module is used for acquiring operation environment parameters of the solid state disk and generating an environment survival weight based on the operation environment parameters; the user behavior prediction module is used for acquiring historical access data of the solid state disk and generating a user behavior weight based on the historical access data; the storage strategy generation module is used for determining a dynamic storage strategy of the solid state disk according to the environment survival weight and the user behavior weight, the technical problem that a current solid state disk lacks active adaptive capacity in the aspect of data storage is solved, and the dynamic storage strategy of the solid state disk is obtained according to environment perception and user behavior prediction. The technical effects of dynamically adjusting the storage strategy of the solid state disk, improving the active adaptive capacity of the solid state disk, reducing the bit error rate and improving the reliability of data storage are achieved.

The invention relates to a cache data processing method and device, computer equipment, a computer readable storage medium and a computer program product. The method is applied to a distributed storage system adopting a three-layer architecture design, and the three-layer architecture comprises a service application layer, a data processing layer and a persistence layer. Comprising the following steps: acquiring access request monitoring information through a service application layer to obtain an access feature data set, and performing pattern classification identification on the access feature data set to obtain a predicted access pattern; generating a prefetching task list and prefetching data according to the predicted access mode, and storing the prefetching data to a data processing layer for caching processing; and executing each prefetching task according to the sequence of the prefetching task list, and reading the prefetching data from the mechanical hard disk and writing the prefetching data into a cache space in a solid state disk resource pool under the condition that the prefetching data does not exist in the solid state disk resource pool of the persistence layer. By adopting the method, the cache performance can be improved.

The invention discloses a solid state disk testing method and device, equipment and a storage medium, and relates to the technical field of storage testing, and the method comprises the steps: for each server, obtaining all solid state disks which are located in the server and are being tested; acquiring multiple pieces of log information and disk capacity of each solid state disk at regular time; after the log information and the disk capacity are obtained each time, the health state of each solid state disk is judged based on the multiple pieces of log information and the disk capacity of each solid state disk; and when the health state of the solid state disk is an abnormal state, performing anomaly analysis based on the multiple pieces of log information of the solid state disk to obtain an anomaly analysis result, and taking the anomaly analysis result and the disk capacity as an anomaly test result of the solid state disk. The technical problems of missing test risk and low test efficiency are solved, and the technical effect of comprehensively, accurately and efficiently testing the solid state disk is achieved.

The invention relates to the technical field of hard disks, in particular to a data protection method of a solid state disk and the solid state disk, the method comprises the steps that a flash memory medium is divided into a data block area, a log block area and a metadata area, and the metadata area comprises a mapping directory, a mapping block and a check point block; a block mapping table and a log page mapping table are established in a volatile memory, and dbMSN and lbMSN are stored. Adding write-in data to a log block page, updating a log page mapping table, and generating check points according to full writing of a log area. When no free page exists, the damaged log blocks are selected in a rotating mode to be combined, new data block migration pages are distributed, mapping is updated, the MSN is progressively increased, changes are written into the mapping blocks, and the mapping catalogue is updated when the mapping blocks are addressed. After restarting, positioning a mapping block by a mapping directory to recover block mapping, reading check points in a reverse order, and traversing an uncovered log area to reconstruct log page mapping; and comparing the dbMSN with the lbMSN, setting inconsistent log pages to be invalid, establishing consistent access and shielding invalid pages. According to the method and the device, the problems of data consistency and availability caused by metadata loss, uncertain merging state and low recovery efficiency of the hybrid mapping FTL in a crash scene can be solved.

The invention provides a solid state disk data reading method and device, equipment and a storage medium. Relates to the technical field of storage. The method comprises the steps of obtaining a historical read operation data set of the solid state disk; the method comprises the following steps: dividing a historical read operation data set according to a set time window to obtain a plurality of samples, and performing embedding processing on the samples to obtain a corresponding embedded time sequence; performing stacking processing on the embedded time sequence through N stacking layers to obtain a stacking enhanced time sequence; linear prediction is carried out based on the stacking strengthening time sequences corresponding to all the samples, and a pre-reading operation sequence is obtained; according to the pre-reading operation information, reading corresponding data from a flash memory of the solid state disk and storing the data in a memory buffer area of a controller of the solid state disk; and receiving a data reading command, determining that the data reading command hits the data in the memory buffer area, and reading the hit data from the memory buffer area through the PCIe bus. Therefore, low-computing-power model prediction is realized and resource consumption and access delay are reduced.

The invention relates to the technical field of data security, in particular to a mobile solid state disk data encryption storage method based on a trusted computing module. According to the method, integrity measurement is carried out on an operating environment through a trusted computing module, and a trusted measurement value is generated; generating a session-level encryption key based on the trusted magnitude; encrypting data using the key and storing key metadata; during data reading, correlation verification is carried out to determine whether decryption is authorized or not; and baseline adjustment can be triggered according to the measurement deviation. According to the invention, the data security of the mobile storage device is improved, and an environment-aware dynamic key management mechanism is realized.

The invention discloses a memory access method based on a memory expansion controller, a memory expansion card and equipment, and relates to the technical field of computers, and the method comprises the following steps: carrying out twice address mapping on a target access address in a memory read-write instruction through the pre-created memory expansion controller, the target access address is mapped to a hard disk storage space from a processor memory physical address space, whether the mapped access address is hit in a preset cache space or not is judged, and if the mapped access address is hit, read-write operation is directly conducted on corresponding target data in the preset cache space; and if not, performing read-write operation on the corresponding target data in the solid state disk. By means of the mode, the solid state disk can be used as the extended memory of the host, the memory extension cost is remarkably reduced, ultra-large-capacity memory extension can be achieved, accordingly, the memory access cost is reduced, and meanwhile the access speed is taken into account in the mode of presetting the cache space.

The invention discloses a spaceborne high-performance calculation module and system based on a SpaceVPX standard and a control method. The calculation module comprises a board card following the SpaceVPX standard, and a core processor module, a storage module, a communication interface module, a monitoring module, a power management module and a VPX connector which are integrated on the board card. The core processor module adopts an anti-radiation reinforced high-performance processor; the storage module comprises a DDR4, a NORFLASH and an SSD (Solid State Disk); the communication interface module comprises an Ethernet, an SRIO high-speed interface and a debugging interface; the monitoring module collects state information through an I2C bus; the power management module provides stable power supply; the VPX connector leads out an SRIO bus, an ETH bus and an I2C bus, and star interconnection with other units on a satellite is achieved. Through standardized and modular design, the problems that an existing satellite-borne computing architecture is fixed, poor in expansibility and insufficient in reliability are solved, and high-performance, high-reliability and flexibly-combined satellite-borne data processing capacity is achieved.

The invention discloses an intelligent fault prediction system for a solid state disk, relates to the technical field of solid state disks, solves the problems that only the test condition of a single chip can be identified, and the test effect of comprehensive radiation cannot be achieved, and is based on the number of threads corresponding to the solid state disk, and different processing processes are executed. The method comprises the following steps: processing the solid state disk in different combination states, confirming numerical value characteristics associated with different processing processes, analyzing reading speed fluctuation states of the solid state disk in different combination states according to the confirmed numerical value characteristics, carrying out multidirectional characteristic testing according to a specific analysis process, and identifying the use performance of the solid state disk. According to the multi-azimuth and multi-chip testing method, the multi-azimuth and multi-chip testing method and the multi-azimuth and multi-chip testing system, the characteristic data associated in the use performance is subjected to interval range confirmation, whether the fault hidden danger exists or not is confirmed according to the change amplitude of the corresponding interval range, the comprehensiveness in the fault hidden danger testing process can be effectively guaranteed by adopting the multi-azimuth and multi-chip testing mode, and a better testing processing effect is achieved.

The invention discloses a multi-dimensional power consumption test method and device for a solid state disk and a storage medium, and the method comprises the steps: controlling a test environment parameter and the solid state disk to enter a preset initial state in response to a test start instruction; based on a test matrix which predefines a plurality of temperature and capacity occupation combinations, controlling a test device to apply a multi-dimensional dynamic working load to the solid state disk, and synchronously acquiring power consumption data, internal state data and performance data; performing time synchronization and data fusion on the collected multi-source data to form an associated data set; and performing intelligent analysis on the data set, extracting power consumption characteristics of the solid state disk, and generating a power consumption evaluation report based on the power consumption characteristics. According to the method, the problems of single test dimension, incomplete test condition coverage, failure in effective fusion of multi-source data and lack of intelligent analysis in the prior art are solved, and comprehensive, accurate and automatic evaluation of the power consumption of the solid state disk is realized.