94 results about "Disk array" patented technology

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 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 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.

Systems and methods for selectively bypassing an external cache (EC) of a storage system are provided. In one example, when the EC backing storage device is saturated, reads bypass the EC and are completed via a redundant array of independent disks (RAID) subsystem of the storage system. One or more performance metrics for the EC backing storage device may be monitored to predict one or more saturation thresholds (e.g., in terms of latency and / or throughput). Based on this monitoring, tuning may be performed to drive utilization of the EC into a “knee region” of a performance (or response) curve of the EC backing storage device. For example, the depth of one or more request queues at the front-end of an EC lookup may be manipulated based on a current measure of saturation relating to the EC backing storage device to limit the number of in-flight reads pending for the EC.

The utility model discloses a server expansion hard disk array, and belongs to the technical field of server hardware. The server extended hard disk array comprises an extended hard disk base, placing grooves are formed in the two sides of the top face of the extended hard disk base respectively, hard disk mounting bases are arranged in the placing grooves, wire clamping assemblies are arranged on the portions, located on the two sides of the hard disk mounting bases, of the extended hard disk base respectively, and each wire clamping assembly comprises a square frame. A square frame is installed on the outer wall of the extended hard disk base, a sliding block is slidably connected into the square frame, a rotating shaft is installed on one side of the sliding block, the sliding block is rotationally connected with a clamping base through the rotating shaft, wire grooves are formed in the two sides of the outer wall of the clamping base respectively, elastic gaskets are installed on the inner walls of the wire grooves, and a lead screw is rotationally connected into the square frame. One end of the lead screw is in threaded connection with one side of the sliding block.

In some aspects, a memory system is provided. The memory system may include a memory device and a memory controller. The memory device may include one or more dies each including a plurality of planes. Each of the plurality of planes may include a subset of pages to form a striping group in the one or more dies, and one word line of multiple word lines may be coupled to R strings in each plane to form R pages. The striping group may form J stripes. A ratio of J to R can be a value greater than 1 and less than 2. The memory controller may be coupled with the memory device and configured to receive data portions corresponding to the J stripes; generate J parity data portions based on the data portions; and control the memory device to store the J parity data portions.

The application provides a hard disk health monitoring method and device, electronic equipment and storage medium, and belongs to the technical field of computers. The method comprises the following steps: obtaining hard disk related information of a server, wherein the hard disk related information comprises a model configuration file corresponding to the server, information of a redundant array of independent disks card of the server, hard disk backplane information of the server, and hard disk information of all hard disks of the server; performing slow disk detection on each hard disk of the server based on the hard disk information; performing sub-health detection on each hard disk of the server based on the information of the redundant array of independent disks card and the hard disk information; in the case that a target hard disk is detected to be in a slow disk state or a sub-health state, issuing a prompt information, and based on the model configuration file and the hard disk backplane information, lighting up a fault light of the target hard disk, so as to realize automatic health monitoring of the hard disks assembled in the server, and improve the universality, implementability, accuracy and positioning of the server hard disk health monitoring.

The invention relates to a control method and device for a disk array, and belongs to the technical field of new generation information technology industries. In thread pool parallelization, a serial verification step is divided into a plurality of independent tasks, the independent tasks are executed in parallel by different threads, and parallel verification is performed through a thread pool, so that the total delay is reduced, and the requirements of a high-priority module are met; thread blockage and resource competition are avoided, and thread safety of task distribution and result processing is ensured; the DMA transmission mode and the verification type are adjusted according to the request priority, hardware changes such as disk faults and bandwidth fluctuation can be responded through dynamic selection of the DMA transmission mode and the verification type, the real-time performance and the resource utilization rate are balanced, the switching overhead is reduced through thread pre-binding, and the safety is improved through multi-dimensional verification.

Embodiments of the present disclosure provide an abnormal data processing method and device, a storage medium and an electronic device, and relate to the technical field of computers. The method comprises: in response to an abnormal processing request, obtaining information of a disk array; determining the number of check disks according to the information of the disk array, and determining a processing strategy according to the number of check disks; the number of check disks in the disk array is different, and the processing strategy adopted is different; the number of check disks is greater than the number of error correction check disks adopted in the processing strategy; and abnormal data positioning and abnormal data recovery are performed on the abnormal strip according to the processing strategy. In this way, different processing strategies are used to perform abnormal data positioning and recovery on the abnormal data disk and / or check disk in the strip.

The invention discloses an intelligent management method, system and device for disk data, and the method comprises the steps: analyzing the data storage condition of all first data currently stored by a target system, the data storage condition comprising at least two data storage demands and a demand proportion corresponding to each data storage demand; each data storage demand is used for indicating a storage demand of data for data security and read-write speed; for each target disk included in the target system, performing partition operation and array construction operation on the target disk in sequence according to the data storage condition to obtain a partition and array construction result comprising at least one partition and a disk array tag corresponding to the partition for the target disk so as to update the target disk; each updated target disk is used for executing partition-based read-write operation on the to-be-processed data. It can be seen that by implementing the method, multiple array modes can be compounded in the disk, and the data storage flexibility, pertinence and accuracy of the disk are improved.

The embodiment of the invention relates to a method, equipment and a computer program product for writing data into a disk array in a storage system. The storage system includes a disk array. A method includes, in response to receiving a write request to write new data to a data block in at least one disk array group in a degraded mode of a disk array, reading old data stored in the data block and old check information stored in a check block associated with the data block. The method further includes determining new check information associated with the new data based on the old data, the old check information, and the new data. The method further includes writing the new data and the new check information into at least one cache page provided by a cache component in the storage system, the at least one cache page being allocated in a persistent memory in the cache component. In addition, the method further comprises the step of flushing new data and new verification information into the data blocks and the verification blocks in the at least one disk array group respectively.

This application relates to a clustered storage system, an upgrade method, a computer device, and a storage medium. The clustered storage system includes a file system and multiple nodes. The file system includes a disk array and redundant disks. A primary system space and a backup system space are established in the disk array. Both the primary system space and the backup system space store an operating system. Each node is a storage controller. All storage controllers share the operating system of the primary system space or the operating system of the backup system space. The storage controller includes a boot system. The boot system is used to boot the storage controllers of one or more nodes to the operating system of the primary system space or the operating system of the backup system space. The primary system space and backup system space based on the disk array improve the stability of the clustered storage system. The operating system upgrade method using the clustered storage system improves the upgrade efficiency of the operating system.

This invention discloses a RAID remapping method, comprising the following steps: obtaining the position of each data block constituting the data to be remapped on the RAID disk array; determining the disk where each data block resides based on its position on the RAID disk array; reading a plurality of corresponding data blocks from each disk; and sequentially placing the plurality of data blocks read from each disk into a page table in memory according to the disk number. This invention also discloses a system, a computer device, and a readable storage medium. The proposed solution calculates the actual data page size of each disk and, when reading and writing data to each RAID disk according to stripes, performs reading and writing according to the actual data size in the stripe size of each RAID disk and in page table address order.

The application discloses a disk array expansion method and device, electronic equipment and medium, and relates to the technical field of computers. The method comprises the following steps: determining a corresponding stripe set of a to-be-generated stripe in a post-expansion disk array in a pre-expansion disk array according to a preset expansion rule; in the case that there is an abnormal disk in the pre-expansion disk array, reading data corresponding to a first type of data block in the stripe set from the pre-expansion disk array; obtaining data corresponding to a second type of data block in the to-be-generated stripe based on data corresponding to all first type of data blocks; and writing the data corresponding to all second type of data blocks in the to-be-generated stripe into the disks corresponding to the second type of data blocks in the post-expansion disk array respectively, so as to complete the expansion of the pre-expansion disk array. Through the application, the expansion can be continuously performed in the case of disk abnormalities.

The utility model provides a disk array device which comprises an array cabinet connected with a server, one side of the array cabinet is hinged with a cabinet door, a plurality of partition plates are fixed in the array cabinet, air ducts are arranged in the partition plates, an air blower is arranged on the array cabinet, a plurality of fixing plates are fixed in the array cabinet, damping blocks are arranged on the fixing plates, and the damping blocks are arranged on the fixing plates. A positioning plate is arranged on the damping block, a sliding plate is arranged on the positioning plate, a plurality of fixing structures are arranged in the array cabinet, and an auxiliary heat dissipation structure is arranged on the partition plate. According to the utility model, the auxiliary heat dissipation structure is arranged on the partition plate, the air duct is arranged in the partition plate, and the air blower is arranged on the array cabinet, so that a better ventilation and heat dissipation effect can be achieved, and a poor heat dissipation effect caused by the use of a plurality of disk arrays can be prevented; the damping block is arranged on the fixed plate, the positioning plate is arranged on the damping block, and the sliding plate is arranged on the positioning plate; the magnetic disk can be installed and fixed, and a certain damping effect can be achieved.

The invention provides a distributed storage collaborative optimization method and device, electronic equipment and a storage medium, and relates to the technical field of computer storage. Mapping the virtual disk into a logical volume of the distributed storage system, constructing dual redundancy protection by adopting a multi-replica redundancy strategy based on the logical volume, and when a single physical hard disk in the virtual disk generates a slow disk or a fault, initiating and executing a data reconstruction operation in the storage node by a disk array controller. The problems that in the prior art, due to the fact that traditional distributed storage depends on a multi-copy redundancy mechanism, large-scale data reconstruction is triggered by single-disk faults, disk I / O pressure is dramatically increased, operation and maintenance complexity is high, performance and reliability are contradictory, and fault processing efficiency is low due to immature collaborative optimization of hardware RAID and distributed storage can be solved.

Provided in the present application are a disk array card monitoring method, a computer program product, and a device and a medium. The method comprises: in response to a server being powered on, establishing a management component transport protocol network between a baseboard management controller and PCIe devices; identifying whether there is a monitorable disk array card in the PCIe devices included in the management component transport protocol network; in response to the identification that there is a monitorable disk array card in the PCIe devices included in the management component transport protocol network, triggering the baseboard management controller to start a disk array card monitoring thread, and issuing a target monitoring command to the identified monitorable disk array card, wherein the target monitoring command is a command defined on the basis of a communication protocol of a standard data model; and by means of the baseboard management controller, acquiring disk array card data that is fed back by the monitorable disk array card and matches the target monitoring command, so as to realize monitoring of the disk array card. An efficient, real-time, compatible and easily managed disk array card monitoring method is provided.

A system can store data in a chunk domain of a log filesystem, wherein the chunk domain comprises a group of chunks. The system can, based on determining to perform an operation on the data, wherein the operation comprises modifying the storing of the data from a first redundant array of inexpensive devices configuration to a second redundant array of inexpensive devices configuration, wherein the operation comprises a tiering operation, wherein the operation comprises a re-keying operation, wherein the operation comprises a restriping operation, or wherein the operation comprises a re-encrypting operation, as part of performing forward garbage collection, moving data of the data according to the operation and based on a flexible data placement command that is supported by a storage device that stores the data after the forward garbage collection is performed.

The invention discloses a disk array testing method and device, electronic equipment and a storage medium, and relates to the technical field of servers, and the method comprises the steps that a preset number of containers are created according to a preset number of operating systems, and the containers are in one-to-one correspondence with the operating systems; determining a target container in the preset number of containers; distributing the disk array to be tested to the target container; and testing the to-be-tested disk array in the target container according to the first preset command to obtain a test result. The problem that when compatibility testing is carried out on the RAID card, a large number of servers and hardware resources need to be used, and consequently the testing cost is too high can be solved. According to the method, a plurality of containers of different operating systems are installed on one server, and the compatibility of a to-be-tested disk array relative to a target container operating system is verified. The compatibility of the to-be-tested disk array relative to various operating systems can be tested only by one server and one group of corresponding hardware resources, and the hardware investment in the testing process is reduced.

This invention relates to the field of data processing technology, and in particular to a data request processing method, apparatus, device, and medium. The method includes: adopting a scheme of separating cached metadata and cached data; using a redundant independent disk array card to uniformly manage read cached metadata; and utilizing a large-capacity host memory as a cached data storage area to decouple cached metadata and cached data. When a user's data processing request hits a cache line node in the cache area of ​​the redundant independent disk array card, the redundant independent disk array card sends the cached data address corresponding to the hit target cache line node to the host. The host processes the cached data corresponding to the cached data address on the host. Data processing can be performed directly from the host memory. By using the host memory as a cache pool, the cache capacity is greatly increased, thereby improving the data hit rate and data access speed.

A physical extent manager (PEM) receives a first message indicating a first PE of a first redundant array of independent disks (RAID) array of a disk has failed. The PEM determines a plurality of spare physical extents (PEs) available for reconstruction, the plurality of spare PEs including a first spare PE and a second spare PE. The PEM determines that the first spare PE has previously been assigned to a second PE of a second RAID array for reconstruction. The PEM determines that the first PE is able to use the first spare PE for reconstruction as the first spare PE meets the array row rule for the first PE and that the second PE is able to use the second spare PE for reconstruction as the second spare PE meets the array row rule for the second PE.

This invention relates to the field of computer technology and discloses a disk array downsizing method, apparatus, electronic device, and storage medium. Based on the total number of stripes and disks in the disk array before downsizing, as well as the downsizing target information, a retention matrix and multiple data to be migrated are determined. Based on the disk array before downsizing and the retention matrix, a target retention array is determined. Since the physical order of data blocks can be adjusted after downsizing, only data blocks from the disks to be migrated are considered as data to be migrated. For any data to be migrated, migration coordinates are calculated based on the total number of stripes, the total number of disks, and the corresponding original coordinates. Based on the target retention array, the data to be migrated is migrated according to the migration coordinates to obtain the target migration array, thereby determining the target disk array after downsizing. Because the target retention array retains the data from the un-downsized disks, and only the data to be migrated is migrated, the amount of data to be migrated is reduced, thereby reducing the number of disk read / write operations and improving disk downsizing efficiency.

The application provides a storage system based on an NVMe interface, comprising a data acquisition module, a host exchange module and an NVMe host control module; after the data acquisition module acquires data to be stored, the data acquisition module sends a data storage command to the host exchange module; the host exchange module sends a write command to the NVMe host control module according to the storage command; the NVMe host control module is mounted with an NVMe ssd disk array, the NVMe host control module determines a data write address according to the write command, and then sends a response signal back to the host exchange module; the host exchange module sends a write instruction to the data acquisition module according to the response signal, the data acquisition module sends the cached data to be stored to the NVMe host control module, and the NVMe host control module stores the data to be stored in a fixed logical sector in the NVMe ssd disk array storage area according to the write address. The application can realize virtualization management of disk space, and effectively solve the problems of data storage, management and application of an aviation airborne data application platform.

This invention discloses a master-slave collaborative second-generation de novo assembly method and system based on sequence feature matrices. The method includes the following steps: S1: Gene analysis of sequencing files to obtain custom IDs and base sequences; S2: Management of base sequence data via a floppy disk array (RAID); S3: Calculation of the front and back feature matrices for each sequencing read and generation of an ID docking table; S4: Assembly tasks performed in a multi-machine parallel manner; S5: Outputting the assembly results of the second-generation sequencing data after patching and gap filling. This invention significantly improves the speed of bioinformatics analysis workflows for genome assembly analysis, helping bioinformatics analysts obtain accurate analysis results faster and in less time.

The present application relates to the technical field of computer, in particular to a method and device for improving system availability, computer equipment and storage medium, which comprises the following steps: S10, obtaining the theoretical performance of a volume in each preset service model; S20, obtaining the actual performance of the volume in the currently running service model in real time; S30, performing strategy optimization on the volume based on the theoretical performance data of the volume and the actual performance of the volume. The present application performs dynamic management on the CPU module, cache module and disk array module in the system, and performs strategy optimization on the volume number, CPU core strategy and volume cache allocation in the high-performance mode, which ensures the stable performance of the cluster without affecting the reliability, and further improves the availability of the whole system.

A redundant array of independent disks (RAID) protection can be provided along with other types of error correction code (ECC) schemes that correct either errors in data prior to the data being input to the RAID process or residual errors from the RAID process. The ECC schemes can utilize parity bits generated using a parity matrix whose bit patterns have an amount of bits that can be used to identify a location of the memory system from which data corresponding to the respective bit pattern is read.

This application discloses a disk array expansion method, apparatus, electronic device, and medium, relating to the field of computer technology. The method includes: determining, according to preset expansion rules, the set of stripes to be generated in the expanded disk array corresponding to the set of stripes in the original disk array; if there are abnormal disks in the original disk array, reading data corresponding to a first type of data block in the stripe set from the original disk array; obtaining data corresponding to a second type of data block in the stripe to be generated based on the data corresponding to each of the first type of data blocks; and writing the data corresponding to each of the second type of data blocks in the stripe to be generated into the disks corresponding to each of the second type of data blocks in the expanded disk array, thereby completing the expansion of the original disk array. This application enables continuous expansion even in scenarios involving disk anomalies.

An optical remote sensing satellite secondary product data edge receiving and matching processing method comprises the steps that an optical remote sensing satellite observes a designated area to generate an original image, the original image is downloaded to a satellite data transmission station through a data transmission link, and the satellite data transmission station transmits the original image to a resource satellite application center to be processed to generate a secondary standard image product and matched auxiliary data; the resource satellite application center packages the data and then transmits the data to the emergency disposal center; the emergency disposal center transmits the data to the emergency rescue cloud, and the emergency rescue cloud transmits the data to the ground maneuvering processing system; the ground maneuvering processing system obtains three types of files including a tracking receiving plan, a second-level product production completion notice and a second-level product file compression package and stores the three types of files in an internal disk array; and the ground maneuvering processing system confirms that the tracking receiving plan completes receiving and analysis, confirms that the second-level product production completion notification and the second-level product file compression package complete receiving, analysis, unloading and matching, carries out disaster situation generation or mining analysis, and responds to disaster situation emergency task requirements.

A disk array enclosure includes hard disk accommodating structures, a retaining member, door covers, and connecting rod assemblies. The hard disk accommodating structures are arranged side by side and each have a front opening, a rear opening and a connecting side portion. Each door cover corresponds in position to the front opening. One end of the door cover is pivotally connected to the connecting side portion. The connecting rod assembly includes a first rod and a second rod. When the door cover is opened, the first rod the second rod are moved such that the door cover is flush with the connecting side portion, thereby preventing interference with another adjacent door cover. When the disk array enclosure is installed inside a casing, the door covers won't hit the casing after they are opened, thereby improving the convenience of removing the hard disks greatly.

This application provides a cloud platform storage system, method, device, and medium, relating to the field of cloud platform technology. The cloud platform storage system includes a compute node cluster and a storage node cluster. The compute node cluster includes multiple compute nodes, and multiple disks on these nodes constitute a MinIO object storage cluster for storing image resources and / or cloud disk backup resources. The storage node cluster includes multiple storage nodes, and multiple disk arrays on these nodes constitute an NFS storage cluster for storing cloud disk resources. The compute node cluster stores cloud disk resources in the NFS storage cluster through a cloud disk service, stores cloud disk backup resources in the MinIO object storage cluster, and stores image resources in the MinIO object storage cluster through an image management service. This approach meets the storage needs of users in small- to medium-sized cloud platform usage scenarios while reducing the complexity of system deployment and lowering the operation and maintenance costs of using the cloud platform.