296 results about "Disk array" patented technology

The invention relates to the technical field of intelligent temperature control, in particular to a solid state disk intelligent temperature control method and system based on edge computing. The method comprises the following steps: acquiring solid state disk array data; performing array topology analysis on the solid state disk array data to generate solid state disk array topology data; performing initial self-organizing heat dissipation network construction on the solid state disk array data based on the solid state disk array topological data to obtain an initial self-organizing heat dissipation network; edge computing node deployment is carried out on the initial self-organizing heat dissipation network, and temperature data of the solid state disk are collected according to edge computing nodes; and network heat conduction path optimization is carried out on the initial self-organizing heat dissipation network through the temperature data, and a self-organizing heat dissipation optimization network is generated. According to the invention, through self-organization of the heat dissipation network, edge calculation optimization, thermal-electric mode conversion and long-term prediction, SSD array-level intelligent temperature control is realized, and the heat dissipation efficiency, the response speed and the long-term stability are improved.

The invention discloses a disk array fault early warning method and related equipment, and relates to the technical field of computer storage, and the method comprises the steps: responding to a preset period triggering condition, and applying a preset mechanical excitation signal to a target disk array; collecting a vibration response frequency spectrum and an acoustic response waveform of the target disk array under the action of the mechanical excitation signal; performing fusion analysis on the vibration response frequency spectrum and the acoustic response waveform through a preset feature fusion model to obtain a fault probability prediction vector; and determining a real-time fault early warning instruction for the target disk array according to the fault probability prediction vector and a preset health reference vector. Through periodic mechanical excitation and multi-mode signal fusion analysis, high-precision, non-intrusive and real-time fault early warning of the disk array can be realized, the reliability of the disk array is improved, and the operation and maintenance cost is reduced.

The invention relates to the technical field of computers, and discloses a data management method and device, computer equipment and a storage medium, and the method comprises the following steps: obtaining target data of a disk array; grouping the target data to obtain corresponding grouped data under each preset category; writing the grouped data into the corresponding storage positions; after the storage fault corresponding to the disk array is recovered, data to be recovered are obtained in the storage position according to the preset reading sequence, the data to be recovered are utilized to recover the data of the disk array, and the data to be recovered are contained in the target data. The problems that when RAID data are stored, write-in operation needs to be repeatedly carried out, so that storage space loss is caused, and the storage process is very time-consuming due to log introduction are solved.

The invention provides a data transmission efficiency improving method and device, equipment and a storage medium, and the method comprises the steps: carrying out the equipment recognition and address space mapping of expansion card equipment connected with a PCIe interface on a GPU, and obtaining GPU data transmission configuration information; according to the configuration information, carrying out storage space division and transmission channel establishment on the expansion card equipment to obtain a GPU data transmission channel configuration result; scheduling and distributing the GPU data to be transmitted based on the configuration result and a preset CUDA (Compute Unified Device Architecture) shared storage mechanism to obtain a data transmission execution scheme; and starting, controlling, monitoring in real time and dynamically adjusting the transmission process of the data to be transmitted according to the execution scheme and a preset RAID (Redundant Array of Independent Disks) disk array. According to the method, the expansion card equipment and the RAID disk array are introduced, and a CUDA shared storage mechanism is combined, so that the available storage space of the GPU is effectively expanded, the data transmission process is optimized, the data transmission efficiency when the GPU processes a large-scale data set is remarkably improved, and meanwhile, relatively low hardware cost is kept.

The invention relates to the technical field of storage, in particular to a test method, device, equipment, system, medium and product, and the method comprises the steps: obtaining a test management command of an input and output management command representing error injection in a real working environment of a disk array controller chip; the command is analyzed to obtain the error injection test type and the corresponding related parameters, and the error processing mode is changed according to the error injection test type, so that the exception is only reported and not processed when encountering the exception in the test, the interference of exception processing on the test process is avoided, and the test can be smoothly carried out according to the preset error injection scene; and according to the error injection test type and the related parameters, constructing analog input and output and injecting the analog input and output into the target hardware unit to perform an execution behavior test, thereby realizing accurate test of the specific hardware unit in a specific error scene in an environment of performing input and output test based on a read-write input and output test program, so that the test is more comprehensive, and the test efficiency is improved. And the test precision is higher.

The invention discloses a data verification method and device for a redundant disk array, equipment and a medium, and relates to the technical field of data verification, when a data verification value of target data is generated, the target data is firstly divided into a plurality of data blocks, and correspondingly reference data is also divided into one-to-one corresponding reference blocks; then, the unit verification value of each data block is determined by taking the data block as a unit, and the data verification value of the target data is obtained through block-by-block calculation, so that the data verification of the target data is realized according to the data verification value, the memory occupation in the data verification value generation process is reduced, the storage requirement of temporary data is reduced, and the data verification efficiency is improved. The high memory overhead of processing the whole target data at a time is avoided, and the calculation efficiency of the data verification value is improved. The size of the data block can be flexibly adjusted according to requirements, the application range is wide, the flexibility is high, the check and problem positioning of the stored data are facilitated, and the troubleshooting of abnormal conditions such as data damage of the stored data is facilitated.

The invention discloses an abnormal data positioning method and device, equipment, a program product and a storage medium, belongs to the field of redundant arrays of independent disks, is used for positioning a disk where abnormal data is located in a stripe, and solves the problem that the disk where the abnormal data is located cannot be positioned. In consideration of the fact that in a target stripe with abnormal data, if a check chain with a zero calculation result exists, it is indicated that each business data block is normal, and at the moment, a disk corresponding to a check chain with a non-zero calculation result is a disk where the abnormal data is located, so that the target stripe with the abnormal data can be subjected to the non-zero calculation, and the abnormal data can be stored in the target stripe. According to the method and the device, the check chain calculation result of each check chain is determined, and if the check chain calculation result part is zero, the disk corresponding to the check chain of which the calculation result is not zero can be used as the disk where the abnormal data is located, so that the disk where the abnormal data is located can be efficiently and accurately positioned, the abnormal data can be conveniently recovered, and the user experience is improved.

The invention relates to a server disk RAID state monitoring method and device and a readable storage medium. The method comprises the steps that the health state of a battery backup unit is judged according to RAID hardware information; obtaining SMART attribute information to judge the health state of a server disk; obtaining the state of a server disk RAID array, reconstruction progress information and availability information of a hot spare disk so as to judge the performance of the server disk; when the RAID array has the degradation state, a fault disk corresponding to the degradation state in the RAID array is determined, reconstruction of the RAID array is automatically triggered, replacement operation of the fault disk is executed, and alarm information is sent to an upper computer; the RAID hardware information, the SMART attribute information, the state of the RAID array, the reconstruction progress information, the availability information of the hot spare disk and the position information of the fault disk are uploaded to a log file; and encrypting the log file by using an AES algorithm. The accuracy of the method for monitoring the RAID state of the server disk and the safety and reliability of the log file are improved.

The invention provides a disk array level migration method and device and electronic equipment. Relates to the technical field of level migration. The method comprises the following steps: determining the size of a fixed-length region; the size of the fixed-length area is related to attribute information of the disk array; the disk array comprises a plurality of stripes; determining to-be-migrated data in a first region of the disk array based on the size of the fixed-length region; backing up the data to be migrated to a second area of the disk array; the second area is started under the condition that the to-be-migrated data is backed up; performing level migration on the to-be-migrated data in the stripes of the second area in a parallel mode to obtain target migration data; and based on the target migration data, updating the to-be-migrated data in the first area. Through the method and the device, the data security can be improved, and the efficiency of level migration can be improved.

The invention discloses a fault reconstruction method, device and equipment for a mechanical hard disk and a storage medium, and relates to the technical field of storage, and the method comprises the following steps: obtaining fault area information of a current fault hard disk in a disk array group; wherein the fault area information is information of a strip of a disk array group where a fault occurring in the current fault hard disk is located; the fault area information comprises a fault hard disk identifier and a fault strip identifier; determining a target reconstruction region corresponding to the fault region information; wherein the target reconstruction area is an area in the current mechanical hard disk; reconstructing data of a fault area in the current fault hard disk in the target reconstruction area, and recording a corresponding relation between the target reconstruction area and the fault area; reconstruction is still carried out on the faulty mechanical hard disk, a new disk does not need to be inserted, the reconstruction efficiency of the RAID group and the utilization rate of the faulty mechanical hard disk are improved, the cost is greatly reduced, and therefore the IO performance of a host is improved.

The invention discloses a processing analysis system and method based on information data storage, and relates to the technical field of information processing. Comprising an NAS server, a network switch and a computer group, the computer group is formed by connecting a plurality of computers with the network switch, the NAS server comprises an HDD hard disk array, a processor, an SSD read cache and an SSD write-in cache, the data storage mode of the HDD hard disk array is RAID10, the HDD hard disk array exchanges data with the computers in the computer group through the network switch, and the processor is connected with the SSD read cache and the SSD write-in cache. According to the method, the idle computer memory and the idle computer hard disk are used for balancing the continuous read-write requirement which cannot be met by the NAS server, the upper limit of the data read-write redundancy performance of the NAS server is improved, the computer memory and the computer hard disk are evaluated and graded, the data read-write redundancy performance of the NAS server is improved, and the storage capacity of the SSD read cache and the storage capacity of the SSD write cache are consistent. The read-write performance response speed outside the NAS server can be improved, and the read-write experience of the computer group is optimized.

The invention discloses a disk scheduling method, and relates to the technical field of storage systems, and the method comprises the steps: collecting a historical input / output access mode of a disk array card, the mode covering access information of a disk requested to be input / output in a historical time period, and generating a disk scheduling strategy adaptive to a business rule by using a pre-trained disk scheduling model; and meanwhile, monitoring the interface traffic of the disk array card in real time, calculating the bandwidth utilization rate of the disk array card according to the interface traffic, and dynamically adjusting the number of active and dormant disks in combination with a strategy. Therefore, the disk number and bandwidth allocation are flexibly self-adapted, the problems of bandwidth imbalance, burst load response delay and the like caused by rigid configuration in the traditional technology are effectively solved, and the service continuity and the system reliability are guaranteed.

The invention discloses an intelligence management method and system based on network security, and relates to the technical field of network security, and the method comprises the steps: setting a firewall between a client network and a server network; performing encryption processing on the key data by using a key encryption algorithm; carrying out virus detection and intrusion detection, and applying an intrusion detection technology and vulnerability scanning in a server network; user identity verification is carried out, a user login process is designed, and login operation of the user is controlled and managed; tracking and positioning the source of the security problem; corresponding server network data processing authority is given to the user; double servers and a disk array are adopted for data storage, and the data are automatically backed up every preset backup cycle. The information collection module and the information management module are arranged to effectively block illegal invasion and virus spreading programs, so that the safety of user information and information is protected, and the confidentiality of the information in the transmission and storage process is ensured.

The invention relates to the technical field of servers, and discloses a foreground task processing method and device for a disk array, equipment and a medium, and the method comprises the following steps: obtaining an operation range of a foreground task and a state interval of the disk array corresponding to the foreground task; according to the operation range and the state interval, a first identifier corresponding to the foreground task is obtained, and the first identifier is used for determining the state interval corresponding to the operation range; a second identifier of the disk array and third identifiers of all disks in the disk array are obtained, the second identifier is used for determining whether background tasks exist in the disk array or not, and the third identifiers are used for determining whether the disks are operated by the background tasks or not; and according to the first identifier, the second identifier and the third identifier, determining a care-over strategy of the foreground task, the care-over strategy being used for determining to use firmware or hardware to process the foreground task. According to the invention, the problems of frequent interaction between software and hardware and low IO task processing efficiency caused by transferring a large number of IO tasks to software for processing are solved.

The invention discloses a command execution method and device, equipment and a medium, and relates to the field of command processing, and the method comprises the steps: determining whether to update a current aggregation command based on an original read-write command or not by judging whether the original read-write command currently issued by a host meets a preset aggregation condition or not; wherein the preset aggregation condition comprises that the original read-write command and the current aggregation command correspond to the same target disk array card and have the same identification information; and if the original read-write command does not meet a preset aggregation condition or the updated current aggregation command meets a preset end condition, determining the number of logic blocks required by a full stripe based on the target disk array card, and splitting the current aggregation command so as to execute corresponding read-write operation on the target disk array card based on the split command. According to the method, the aggregation command is subjected to full stripe splitting, and the read-write operation is executed on the disk array card based on the split command, so that the read-write frequency of the disk in the disk array card can be reduced, and the read-write performance of the disk is improved.

The invention discloses a method for a substrate management controller to acquire and record hard disk positions and electronic equipment, and relates to the technical field of servers, and the method comprises the following steps: acquiring a hard disk logic view from a disk array card by establishing an out-of-band communication session, traversing each hard disk in sequence after ensuring that all hard disk positioning lamps are turned off, a mapping relation table of a hard disk logic identifier and physical slot position information is accurately established and persistently stored through an automatic closed-loop process of lighting on, querying a hard disk backboard monitoring module, recording a physical slot position and turning off, manual plugging and naked eye recognition are replaced, and automatic discovery and recording of the physical position of the hard disk are achieved; and slot position information is directly obtained through the hard disk backboard monitoring module, so that the accuracy of the corresponding relationship between logic and physical positions is ensured.

The invention discloses a block code determination method of a storage system and the storage system, and relates to the technical field of storage systems.The method comprises the steps that space distribution of a redundant array of the storage system is divided into a plurality of data sets with the total number of disks as the cycle period, and strip distribution modes of all the data sets in the cycle period are repeated; spatial distribution is strictly aligned on physical storage, spatial distribution optimization of the independent redundant array of the storage system is achieved, no matter whether the number of disks is an odd number or an even number, a uniform cycle period model is adopted, continuous read-write operation of the disk array is facilitated, a cache structure is queried according to a data group number, block numbers are returned if a cache is hit, and the cache structure is optimized. If not, the block number is dynamically calculated, and the calculation result is written into the corresponding position, so that the step of solving the block code is simplified. Through a cyclic period space distribution structure and a cache acceleration mechanism, the problem that block numbering calculation is complex and time-consuming in the prior art is solved, and the performance and universality of a storage system are remarkably improved.

The present application relates to the technical field of data storage, and discloses a disk array capacity expansion method and apparatus, a storage system, and a product. The method comprises: according to an array chunk size, dividing a newly added hard disk space into a plurality of newly added data chunks, and adding the plurality of newly added data chunks to a disk array; marking all the newly added data chunks as unexpanded data chunks, and keeping the spatial distribution of original data chunks and parity chunks in the disk array unchanged; when data is to be written into an unexpanded data chunk for the first time, generating full-sized chunk data on the basis of data to be written and writing the full-sized chunk data into the unexpanded data chunk, and updating parity data of a stripe to which the data chunks belongs; and after the full-sized chunk data is written into the unexpanded data chunk for the first time, marking the data chunk as an expanded data chunk. The method can avoid a large amount of data migration during disk expansion, speed up a capacity expansion process, and improve the IO request processing performance of a storage system during capacity expansion.

The invention discloses a method and device for adjusting signal parameters of a transmission link and electronic equipment, and relates to the field of computers.The method comprises the steps that in the first starting stage of a server, under the condition that it is determined that the current performance state of a disk array card of the server is inconsistent with the theoretical performance state, the current performance state of the disk array card is not consistent with the theoretical performance state; and adjusting the signal parameter of the link where the disk array card is located as the target parameter. In a second starting stage of the server, reading a signal parameter of a target link where the disk array card is located; under the condition that the signal parameter of the target link is inconsistent with the target parameter, the signal parameter of the target link is adjusted to be the target parameter, and the second starting stage is after the first starting stage. According to the method, the performance of the disk array card is detected and the link parameters are adjusted in the two different starting stages, so that the performance of the disk array card is stable, the performance reduction of the server caused by the performance reduction of the disk array card is avoided, and the comprehensive performance of the server is improved.

The invention discloses an onboard transmission and storage method suitable for inclined aerial remote sensing equipment, and belongs to the technical field of aerial remote sensing. The airborne array adopts a full SSD disk, a ground downloading disk array selects a full mechanical hard disk (HDD) and an RAI D5 level as the core configuration of the disk array, the RAI D5 divides data into a plurality of small blocks, distributes and stores the small blocks on the plurality of hard disks in the array, adds parity check information on each hard disk, and adopts the RAI D5 level data-containing stripline storage, and the RAI D5 level data-containing stripline storage is carried out on the RAI D5 level data-containing stripline storage, so that the RAI D5 level data-containing stripline storage and the RAI D5 level data-containing stripline storage. Read-write operation is carried out on the multiple hard disks, parallel processing is achieved, and the data access speed is increased. According to the method, a large amount of data generated in unit time is acquired according to the requirement of live-action three-dimensional for the ground resolution of the image, onboard oblique aerial remote sensing data are effectively transmitted and stored, the onboard storage speed and storage safety of the oblique aerial photography system are improved, and therefore the working efficiency and the data safety are effectively improved.

The invention discloses a data recovery method and electronic equipment, and relates to the technical field of storage systems.The data recovery method comprises the steps that a virtual disk array is created according to virtual disks, and the virtual disks in the virtual disk array are divided into data disks and verification disks; writing the write-in data of the write-in request into a data disk, obtaining verification information according to the data written into the data disk, and writing the verification information into a verification disk; and if the abnormal data exists, performing data reconstruction on the abnormal data according to the data except the abnormal data in the virtual disk array and the verification information to obtain repaired data. The problems that a data error correction mode of a storage system is single, only underlying data processing abnormity can be sensed, but abnormal data cannot be recovered can be solved. According to the method, when any virtual disk in the virtual disk array has abnormal data, the abnormal data can be recovered and corrected by means of data reconstruction, and the data stability and data security of a storage system are guaranteed.

The invention discloses a disk capacity expansion method and device, equipment and a storage medium, and relates to the technical field of storage, in the disk capacity expansion method, under the condition that a bad disk is detected during disk array capacity expansion, at least one original stripe before capacity expansion is determined according to an abnormal stripe containing the bad disk after capacity expansion; restoring the bad disk data element according to the check code in the original stripe and the normal data element in the original stripe to obtain a restored target data element; then determining a target stripe according to the restored target data element and the normal data element in the abnormal stripe; writing the target strip into a reserved area of any normal disk; and finally, under the condition that a preset migration condition is met, migrating the target strip stored in the reserved area to the expanded target disk array. According to the method and the device, on the premise of ensuring the data consistency of the RAID system, the continuous capacity expansion under the condition that the disk breaks down during the online capacity expansion of the RAID can be realized.

The invention discloses a disk array initialization method and a storage cluster, and relates to the technical field of computers, the disk array is divided into a plurality of particles, bitmap information is generated according to the position of each particle in the plurality of particles in the disk array and the initialization state, and the plurality of particles are correspondingly distributed to storage nodes in the storage cluster, therefore, the storage node executes the initialization operation on each particle according to the position information of the particle allocated in the bitmap information and the initialization state, the technical problem of low execution efficiency of the initialization task of the disk array in the related technology is solved, and the technical effect of improving the execution efficiency of the initialization task of the disk array is achieved.

The invention discloses a power supply control method of a hard disk array and electronic equipment, and relates to the technical field of server storage. The method comprises the following steps: acquiring hard disk starting power consumption in a server power-on stage; according to the hard disk starting power consumption, determining an initial starting number, simultaneously electrifying a plurality of hard disk groups which are initially started in the hard disk array, and obtaining first power consumption of the hard disk array; according to the first power consumption, the remaining hard disk groups in the hard disk array are powered on in batches, so that all the hard disk groups in the hard disk array are powered on; in a server operation stage, obtaining second power consumption of the hard disk array to construct a power consumption regulation and control model; and based on the power consumption regulation and control model and the power consumption tracking sequence, determining a target power supply current adjustment signal, so that the first logic device adjusts the power supply current of the hard disk array according to the target power supply current adjustment signal. Therefore, tracking and stable control of the power consumption of the hard disk array are realized.

The invention provides an address mapping method and device, a storage system, a program product and a storage medium, and relates to the technical field of storage. According to the method, a storage system receives an input initial logic block address and a disk array identifier at the same time, and can query the stripe size configured by a disk array corresponding to the disk array identifier, so that a stripe identifier is determined by utilizing the initial logic block address, the disk array identifier and the stripe size at the same time; and determining the stripe where the initial logic block address is located by combining the disk array identifiers and stripe sizes of different disk arrays. And then, the storage system can query stripe physical address information corresponding to the stripe identifier in a preset mapping table, and determine a physical block address corresponding to the initial logic block address according to the stripe physical address information. Therefore, different disk arrays can be arranged in the storage system, and the different disk arrays can correspond to scenes with different stripe sizes, so that the conversion efficiency of the initial logic block address is improved, and the data operation efficiency is improved.

The invention discloses an encrypted disk management method and device, equipment and a program product, and the method comprises the steps that a disk array drive program calls a first drive program to obtain disk configuration data and key management server configuration data, and the first drive program is an interface program between an encrypted disk and an operating system; the first driving program establishes network connection with the secret key management server based on the secret key management server configuration data; the first driving program calls a second driving program to send the disk configuration data to the secret key management server by using the network connection, so as to obtain a secret key of the encrypted disk from the secret key management server, the second drive program is a client drive program created based on a key management interoperability protocol.

The invention relates to the field of fault detection, in particular to a disk array fault detection method and device. The method mainly comprises the steps of calculating a prior probability of a fault according to a failure rate of a circuit module; determining a target signal influencing a working state in the disk array, collecting an original sample of the target signal, obtaining a secondary sample under a fault condition in the original sample, and calculating an original conditional probability of the corresponding target signal according to the secondary sample; establishing a multi-factor model containing all target signals, and calculating a fault threshold value by using the multi-factor model based on the original conditional probability; and in the running process of the disk array, collecting alarm values of the target signals when the alarm signals are generated, forming alarm samples by the alarm values in a specified time period, calculating the posterior probability corresponding to each alarm sample, and judging the working state of the disk array in the corresponding time period according to the fault threshold and the posterior probability. According to the method, the false early warning rate can be reduced, and the RAID reliability and availability are improved.

The invention discloses a disk array data reconstruction method and device, equipment and a medium, and relates to the technical field of storage, and the method comprises the following steps: monitoring the running state of each disk array in a storage system, and judging whether a fault disk exists in each disk array based on the running state; if it is monitored that a fault disk exists in the target disk array, the capacity of the fault disk is determined, and a logic disk with the corresponding size is created from a free area of a preset physical disk based on the capacity; taking the logic disk as a hot spare disk, and establishing a binding relationship between the hot spare disk and the target disk array, so as to perform data reconstruction on the fault disk by utilizing the hot spare disk; after it is monitored that reconstruction of the fault disk is completed, the binding relation between the hot standby disk and the target disk array is removed, and the hot standby disk is recycled to update the free area of the preset physical disk. The hot spare disk resource can be dynamically allocated, and the disk utilization rate is improved.

The invention discloses a data access method and device, equipment and a medium, and relates to the field of data access, and the method comprises the steps that a disk array card inputs an access address sequence containing a current data block access address and a historical data block access address into a probability distribution prediction model, so as to add corresponding physical position information to each address in the sequence, extracting time features and spatial features of the added sequence, and determining fusion features based on the time features and the spatial features to predict access probability distribution of each data block in the disk array next time; and after accessing the data of the actual to-be-accessed data block from the local cache by using the current data block access address, determining a to-be-added data block and a to-be-eliminated data block from the disk array based on the actual to-be-accessed data block and the access probability distribution so as to update the local cache. According to the method and the device, the data is prefetched into the local cache, so that efficient access of the data is realized when a large number of concurrent requests are faced.

The present application relates to the technical field of computers, and discloses a data processing system and method, a device and a nonvolatile readable storage medium. In the present application, each CPU core group of a disk array is bound with a physical network interface card, a physical hard disk drive, and a physical memory which are exclusive and would not be found by other CPU core groups, thereby implementing the isolation and division of physical network interface card resources, physical hard disk drive resources and physical memory resources in the disk array; by means of a network device, any host establishes, with the exclusive physical network interface card of a single CPU core group among a plurality of CPU core groups, an exclusive communication link which would not be found by other hosts and other CPU core groups; therefore, a CPU core group (i.e., a die) and a host communicate with each other by means of an exclusive communication link, so that the host accesses the CPU core group and the bound physical hard disk drive and physical memory, without using cross-die access, thereby shortening access paths, saving computer resources, and improving access performance and access efficiency.