37 results about "Logical disk" patented technology

Systems and methods for scaling application and / or storage system functions of a distributed storage system based on a heterogeneous resource pool are provided. According to one embodiment, the distributed storage system has a composable, service-based architecture that provides scalability, resiliency, and load balancing. The distributed storage system includes a cluster of nodes each potentially having differing capabilities in terms of processing, memory, and / or storage. The distributed storage system takes advantage of different types of nodes by selectively instating appropriate services (e.g., file and volume services and / or block and storage management services) on the nodes based on their respective capabilities. Furthermore, disaggregation of these services, facilitated by interposing a frictionless layer (e.g., in the form of one or more globally accessible logical disks) therebetween, enables independent and on-demand scaling of either or both of application and storage system functions within the cluster while making use of the heterogeneous resource pool.

Provided in the present application are a cloud storage processing method, and a device, a storage medium and a system. The method comprises: a special-purpose processing chip, which is configured to provide a data plane function, in a computing server receiving a data read / write request, which is sent by a client virtual machine, wherein the data read / write request comprises a logical disk storage address corresponding to data to be read / written; sending a read / write request control signal, which comprises the logical disk storage address, to a general-purpose processing chip, which is configured to provide a control plane function, in the computing server, such that the general-purpose processing chip generates header information, wherein the header information comprises identification information of a target storage server corresponding to the logical disk storage address; and receiving a message sending control signal, which is sent by the general-purpose processing chip and comprises the header information, generating a network request message according to the header information and the data read / write request, and sending the network request message to the target storage server. By means of an architecture in which a data plane is separated from a control plane, the processing delay of a data read / write request is reduced, and the processing throughput is improved.

The invention provides a data protection method and system in a cloud computing environment, and relates to the technical field of cloud computing, the protection method comprises the following steps: receiving a cloud hard disk application and to-be-stored data sent by a user side, and generating a logic disk according to the cloud hard disk application; classifying the to-be-stored data by using a pre-trained classification model, and generating first encryption strength according to a classification result; second encryption strength is calculated according to the data activeness of the to-be-stored data; performing weighted fusion on the first encryption strength and the second encryption strength to obtain a third reinforcement density, and setting encryption parameters according to the third reinforcement density, the encryption parameters including an encryption algorithm and a key length; the to-be-stored data is encrypted based on the encryption parameters and written into the physical disk corresponding to the logic disk, dynamic and flexible encryption of the data can be achieved, the encryption strategy can be automatically adjusted according to the actual situation of the data, and therefore the data protection effect and efficiency are improved.

The invention provides a hard disk monitoring method, device and equipment and a medium, which are applied to the technical field of storage, and the method comprises the following steps: acquiring a user command for a target hard disk; wherein the user command carries first identification information of the target hard disk, the first identification information is a physical drive letter, an address code or a logic drive letter, and the address code comprises a bus number, a device number and a function number; under the condition that a target instruction corresponding to the user command needs second identification information of the target hard disk, the second identification information corresponding to the first identification information is determined based on a preset corresponding relation, and the preset corresponding relation is a corresponding relation among a physical drive, an address code and a logic drive of the target hard disk; the first identification information and the second identification information are different types of identification information, and calling the target instruction based on the second identification information to obtain state information of the target hard disk or configure the target hard disk. Therefore, the complexity of hard disk monitoring management can be reduced, and the operation and maintenance efficiency can be improved.

The invention relates to a data access method, system and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps of reading metadata corresponding to multiple pieces of data from a logic disk in a metadata access domain in response to access requests of the multiple pieces of data, determining logic disk addresses of the multiple pieces of data in the data access domain according to the metadata, and accessing the multiple pieces of data according to the logic disk addresses. Wherein the logic disk in the metadata access domain and the logic disk in the data access domain are obtained by logically dividing all physical disks in the storage system. By adopting the method, the metadata access throughput can be improved, so that the performance of a storage system is improved.

The invention discloses a hard disk information management system and a hard disk information management method, relates to the technical field of servers, and provides a hard disk module comprising a first hard disk unit for connecting a first type of hard disk and a second hard disk unit for connecting a second type of hard disk for a scene of mixed insertion of different hard disks. The hard disk information management system can dynamically generate a logic disk sequence through the first type of hard disk which cannot be directly monitored by the controller, the controller receives the logic disk sequence sent by the starting module and obtains physical information of the hard disk connected to the hard disk module, and the logic disk sequence and the physical information can be associated through the controller so that the logic disk sequence and the physical information can be associated. Therefore, the mapping relation between the logic disk sequence and the physical information is obtained, according to the mapping relation, the controller can rapidly position the physical information of the hard disk needing to be managed, accurate and rapid association of the logic disk sequence and the physical information of different types of hard disks is achieved through dynamic association, and efficient management of the hard disk is achieved.

The invention discloses a data processing method, device and equipment and a readable storage medium, and the method comprises the steps: setting the state of a logic disk through employing a logic disk operation request sent by a host, and determining a corresponding authentication code and an encryption code under the condition that the encryption and decryption functions of the logic disk are enabled; receiving a data writing request sent by the host, and determining a target logic disk corresponding to the writing position and target data to be written; authenticating the data writing request by using the authentication code of the target logic disk; under the condition that the authentication is passed and the current state of the target logic disk is encryption and decryption starting, encrypting the target data by using an encryption code of the target logic disk to obtain target encrypted data; and writing the target encrypted data into a hard disk space having a mapping relationship with the target logic disk in the redundant array of independent disks. According to the method and the device, the reliability and the security of data stored on the hard disk without an encryption function can be ensured.

This invention relates to the field of data processing and discloses a database log archiving method, apparatus, device, and medium, comprising: identifying a target redo log file to be archived from the database; creating a preliminary redo log file with the same attributes as the target redo log file and empty content within the same logical disk as the target redo log file; moving the target redo log file to a preset archiving directory located within the same logical disk via MV operations; changing the filename and storage path of the preliminary redo log file to the original filename and storage path of the target redo log file via MV operations; and mounting the revised preliminary redo log file to the database. This invention solves the problems of high I / O consumption and low archiving efficiency in existing database log archiving technologies.

The invention relates to a storage method and device, equipment, a storage medium and a computer program product, and the method comprises the steps: receiving a storage request, dividing to-be-stored data according to the life cycle of the data, generating a plurality of data blocks, caching each data block to a corresponding logic disk, and storing the data blocks in the logic disk; and transferring and storing each data block from the corresponding logic disk to the physical disk. Wherein the storage request comprises to-be-stored data. According to the method, the data of the same or similar life cycles in a certain range is divided into one data block, and then the data block is stored, so that the uniformity of the data life cycles can be prevented from being damaged, the disk layout of the storage equipment is optimized, the effect of reducing the garbage collection cost and the write amplification factor of the storage equipment is realized, and the storage efficiency is improved. And the write amplification phenomenon is avoided, so that the storage performance of the storage equipment is improved.

This invention provides a controller and storage device that can suppress data loss even when reconfiguring storage media in a RAID configuration. [Solution] The controller of this embodiment is a controller that reads and writes common data to the first and second physical disks to configure a logical disk, and is capable of executing disk input / output requests to the first and second physical disks in response to disk input / output requests to the logical disk received from a host computer. This controller includes, for each of the first and second physical disks, an area setting unit that sets a data area to be the target of disk input / output requests and a spare area on which data recorded in the data area can be recorded; a monitoring unit that monitors the status of each of the first and second physical disks; and a maintenance processing unit that, if an error in the first physical disk is detected as a result of monitoring by the monitoring unit, writes the data in the data area of ​​the first physical disk to the spare area of ​​the second physical disk.

The present application discloses a method, device, electronic device and readable storage medium for deploying virtual machines on a virtualized cloud platform. The method includes mapping storage spaces from different storage devices to computing nodes of the virtualized cloud platform in advance. The disk space capacity of the virtual machine is determined according to the configuration file of the virtual machine, and the virtual machine is mounted on the target computing node. A mirrored logical disk is generated for the virtual machine based on the disk space capacity and each storage space of the target computing node; each disk space of the mirrored logical disk stores the same data. The disk space location of the configuration file is modified to be a mirrored logical disk, and the mirrored logical disk provides disk space for the virtual machine, so that the data of the virtual machine is directly written to multiple disk spaces of the mirrored logical disk at the same time, thereby reducing the probability of interruption of the virtual machine business running on the virtualized platform, reducing the possibility of data loss of the virtual machine, and ensuring that the virtual machine business can run stably and reliably on the virtualized cloud platform.

The invention discloses a mirror image disk fault member removing method, a mirror image disk fault member removing device and a medium, relates to the technical field of storage, is used for removing fault members in RAID1, and provides the mirror image disk fault member removing method aiming at the problem that a system enters a read-only state due to the fact that the fault members in the RAID1 cannot be recognized and removed at present. According to the method, when the logic disk of the RAID1 is blocked in data writing, whether each member disk fails or not is judged according to the hard disk health information and / or the hard disk link information of each member disk in the RAID1, and the failed member disks are removed, so that the problem that the RAID card does not have the capability of diagnosing the health state of the member disks of the RAID1 is solved, and the reliability of the RAID card is improved. Even if the problems of I / O timeout and the like occur in the RAID1 single member disk, the problems can be found in time, and the fault member disk can be eliminated, so that the file system is effectively prevented from entering a read-only state.

A solid-state drive, which includes a circuit board, a non-volatile memory module, and a controller. The non-volatile memory module is disposed on the circuit board and includes a plurality of non-volatile memory blocks for storing data. The operating system is installed in a logical disk formed by at least some of the non-volatile memory blocks. The controller is disposed on the circuit board, coupled to the non-volatile memory module, and used to execute firmware to perform an active trimming operation on the non-volatile memory blocks.

The present invention discloses a multi-level directory DNA storage encoding and decoding method based on modulation technology, comprising the following steps: S100: generating a modulation code table for primer sequences and file data sequences, constructing a primer sequence data set and a file absolute path set; S200: modulating the binary file to be stored into a DNA sequence, synthesizing and storing it in vitro; S300: selecting target primers, amplifying DNA molecules under the target logical disk from the synthesis pool, and sequencing them; S400: calculating the absolute file path of each read length of the sequenced data based on the observed modulation sequence, and grouping the sequenced data based on this; S500: generating a modulation sequence for decoding each grouped data based on the encoded DNA chain length and the absolute file path; and using this modulation sequence to decode the data according to the modulation DNA storage decoding algorithm. The present invention designs an addressing sequence based on modulation technology and proposes a multi-level directory DNA storage encoding and decoding method, which can realize an efficient and flexible DNA storage file management method.

The invention provides a method, a device and equipment for using a solid state disk, which are used for improving the reliability and the reconfiguration performance of a high-capacity solid state disk in a storage system. According to the method, the SSD is divided into a plurality of logic disks by utilizing the characteristic that the SSD supports a plurality of Namespices, and the logic disks have relatively independent fault domains, so that the overall failure of the high-capacity SSD can be avoided when the OP space is insufficient due to bad blocks or DIE failure, the long-time performance reduction of a storage system caused by the overall failure of the SSD is avoided, and the service life of the storage system is prolonged. The data reliability of the storage system is improved by reducing the data reconstruction time, the service life of the high-capacity SSD is prolonged, and the TCO of a user is improved.

Solutions for managing RAID virtual disks. Some solutions enable increased use of hardware circuitry to schedule and perform IO on a virtual drive, providing for more efficient IO. In some cases, this can be accomplished by notifying the hardware of precise regions of a virtual disk affected by the maintenance operation and any given time. The hardware then, can continue to perform host IO on portions of the logical disk not undergoing maintenance.

This specification provides a load balancing method, system and device. The load balancing method includes: determining a source storage node and a target storage node for load balancing, a target logical disk in the source storage node, and a first session link in the session link of the target logical disk; sending a reconnection negotiation request for the first session link to a computing node; receiving a link reconnection request sent by the computing node in response to the reconnection negotiation request; and establishing a second session link between the computing node and the target logical disk in the target storage node in response to the link reconnection request when the target logical disk is mounted in the target storage node.

When a large volume of abnormal data is supplied, this system quickly and accurately detects the supply and protects the normal data. [Solution] A duplicate redirect table is generated by duplicating a redirect table that stores location information indicating the location of a storage area that stores the actual data to be read and written via a logical disk, in the order of the data sequence on the logical disk. One of the multiple duplicate redirect tables is used as the source for comparison, and one of the duplicate redirect tables generated after the source is used as the target for comparison. Based on the frequency of occurrence of words in the differential data, which is data stored in the storage area indicated by location information in the target that does not match the location information in the source, and a predetermined frequency threshold, it is determined whether or not a predetermined protection process should be performed when writing to the logical disk.

The invention relates to a logic disk array allocation method and device for a high-performance computing environment, equipment, a storage medium and a program product, and the method comprises the steps: obtaining the redundancy capability of a logic disk array corresponding to a disk when the state change of the disk in a system is detected, and then determining a ratio updating strategy according to the redundancy capability and the state change, and updating the current logic block ratio of the logic disk array according to the ratio updating strategy to obtain a new logic block ratio, and finally redistributing the logic blocks of the logic disk array according to the new logic block ratio. Wherein the state change comprises a disk fault or a new disk. According to the method, the proportion updating strategy is dynamically determined and executed according to the disk fault or different newly added state changes in combination with the redundancy capacity of the current logic disk array, so that the storage system can flexibly cope with various actual scenes, and the reliability and continuity of user services are greatly improved.

Solutions for managing RAID virtual disks. Some solutions enable increased use of hardware circuitry to schedule and perform IO on a virtual drive, providing for more efficient IO. In some cases, this can be accomplished by notifying the hardware of precise regions of a virtual disk affected by the maintenance operation and any given time. The hardware then, can continue to perform host IO on portions of the logical disk not undergoing maintenance.

The present invention provides a configuration information recovery method, device, system and disk array controller, which relate to the field of storage systems, wherein the physical hard disks in the storage system are all provided with multiple versions of configuration information for the disk array group, and all physical hard disks storing the configuration information of the same disk array group store at least one identical version, that is, the disk array group has at least one guaranteed version of configuration information; in addition, the configuration information of the disk array group is also provided with a write quantity, and the write quantity represents the number of physical hard disks that logically store the configuration information. Furthermore, after the disk array controller obtains all the configuration information corresponding to the disk array group from the physical hard disk, it can determine the target configuration information that has been correctly written into all the physical hard disks that logically store the configuration information and has the latest version according to the acquisition quantity, write quantity and offline quantity of the physical hard disks corresponding to each version of the configuration information, thereby improving the reliability of the disk array group configuration recovery.

The method comprises the following steps: determining the association link between each logical disk and physical disk in a storage system; acquiring the mapping relationship between each node in the association link corresponding to the logical disk; performing health examination on each node in the association link, and when the health examination result of a target node is abnormal, outputting the position information of a target logical disk corresponding to the target node and the position information of a target physical disk based on the mapping relationship between each node. The technical solution can comprehensively check the disk, and the output result can indicate the service party to isolate the fault of the service on the target logical disk, and indicate the operation and maintenance personnel to repair and replace the target physical disk, so as to realize the effective linkage of service processing and disk repair, and realize the rapid processing of disk faults.

The invention discloses an XFS file system storage optimization method and system capable of achieving RAID automatic alignment. The method comprises the steps that the stripe size and the number of data disks of specified block equipment are obtained from RAID configuration; determining a corresponding XFS file system formatting parameter according to the strip size and the number of the data disks; creating and formatting an XFS file system logic disk according to the determined XFS file system formatting parameter; executing automatic mounting configuration for the XFS file system logic disk to realize automatic mounting after the equipment is restarted; mounting an XFS file system logic disk; and verifying the alignment state of the mounted XFS logic disk and outputting a verification result. According to the method, the parameters of the file system are automatically adjusted based on the configuration parameters of the RAID, seamless cooperation of the file system and the storage hardware is achieved, and therefore manual configuration errors are avoided, and the storage performance is improved.

This application discloses a hard disk information management system and a hard disk information management method, relating to the field of server technology. Addressing scenarios where different types of hard disks are mixed, it provides a hard disk module including a first hard disk unit for connecting a first type of hard disk and a second hard disk unit for connecting a second type of hard disk. The hard disk information management system can dynamically generate a logical disk order for the first type of hard disk that the controller cannot directly monitor. The controller receives the logical disk order sent by the boot module and obtains the physical information of the hard disks connected to the hard disk module. Through the controller, the logical disk order and physical information can be associated to obtain a mapping relationship between the logical disk order and physical information. Based on the mapping relationship, the controller can quickly locate the physical information of the hard disk to be managed. Through dynamic association, accurate and rapid association between the logical disk order and physical information of different types of hard disks is achieved, enabling efficient management of the hard disks.

This application relates to a data storage method, apparatus, device, storage medium, and program product. The method, upon receiving a service request, allocates multiple logical partitions on a logical disk and multiple target flash memory wafers on a physical disk for the service request. Then, it writes the data of the service request to the multiple logical partitions and stores the data from the multiple logical partitions to the multiple target flash memory wafers according to their stress status. In this method, by dynamically allocating logical partitions for service requests, it can better adapt to the diversity and dynamism of workloads, meet the performance needs of different users, and maximize the utilization of physical disk bandwidth by monitoring the wafer stress status in real time to guide wafer selection, thereby greatly improving data storage efficiency.

A deployment method for a booting sequence of multiple operating systems and related apparatus, related to the technical field of computers and applied to a baseboard management controller (BMC), include: establishing a connection to a disk array (S101); receiving first target logical disk information, wherein the first target logical disk information is information of logical disks provided with to-be-booted operating systems (S102); sending the first target logical disk information to the disk array (S103); and receiving booting flag setting information of the disk array, wherein the booting flag setting information is completion information sent after the disk array sets booting flags for corresponding logical disks based on the first target logical disk information (S104).

The invention discloses a data processing method, electronic equipment, a storage medium and a computer program product.The method comprises the steps that the number N of logic disks is determined according to the number of computing nodes in a storage system, and N is a positive integer; generating N logic disks; generating one or more replica sets based on the N logic disks, wherein each logic disk in the N logic disks has a corresponding relationship with one replica set. Through the method and the device, the replica set can be generated according to the logic disk, so that the flexibility of the replica set is improved.

This application provides a method for determining system parameters, an apparatus thereof, an electronic device, and a storage medium, relating to the field of disk optimization technology. The method comprises: collecting system parameters on a target operating system, determining the disk topology of at least one logical disk used by the target operating system, and, based on the disk topology, determining target parameter values ​​for each system parameter corresponding to the logical disk to optimize the performance of the logical disk. This application solves the technical problem in related technologies of being unable to accurately and effectively determine parameter values ​​for system parameters, resulting in an inability to effectively optimize disk performance, thereby achieving the effect of improving disk performance.

When a large volume of abnormal data is supplied, this system quickly and accurately detects the abnormal supply and protects the normal data. [Solution] A duplicate redirect table is generated by duplicating a redirect table that stores location information indicating the location of a storage area that stores the actual data to be read and written via a logical disk, in the order of the data sequence on the logical disk. One of the multiple duplicate redirect tables is used as the source for comparison, and one of the duplicate redirect tables generated after the source is used as the target for comparison. Based on the frequency of occurrence of words in the differential data, which is data stored in the storage area indicated by location information in the target that does not match the location information in the source, and a predetermined frequency threshold, it is determined whether or not a predetermined protection process should be performed when writing to the logical disk.

The application provides a redundant array of independent disks (RAID) reconstruction method and device. When a fault disk is reconstructed, P target hot spare disks are selected to reconstruct a specified fault disk in the RAID. A logical disk for reconstructing the fault disk is created and divided into P subspaces. The space of the fault disk is divided into P subspaces. According to the corresponding relationship between the subspaces of the fault disk and the logical disk and the corresponding relationship between the subspaces of the logical disk and the mapping spaces of the target hot spare disks, the fault disk is reconstructed into each target hot spare disk in parallel. It can be seen that the technical solution provided by the embodiment does not reconstruct the fault disk into one selected hot spare disk according to the form that one fault disk corresponds to one hot spare disk, but selects multiple target hot spare disks at the same time and reconstructs the fault disk into the multiple selected target hot spare disks in parallel, so as to shorten the fault disk reconstruction time, improve the reconstruction efficiency of the fault disk in the RAID, and improve the reliability of the data in the RAID.