13 results about "Virtual directory" patented technology

The invention relates to an intelligent mapping and two-way synchronization system and method for a cloud disk and a local file system, and belongs to the field of IT and software development.The method comprises the steps that the intelligent mapping relation between the cloud disk and the local file system is established, and when a cloud disk mounting request initiated by a user through a local client side is received, the cloud disk mounting request is sent to the local client side; the intelligent mapping module obtains a cloud disk root directory structure by calling an interface of a cloud disk interface module, and converts the cloud disk root directory structure into a local virtual directory tree; the expansion attribute of the local file system is adopted to store the specific attribute of the cloud disk; when it is monitored that the files in the cloud disk or the local file system change, the mapping relation is refreshed; the change of the cloud disk file and the local file system is monitored in real time, and the bidirectional synchronization of the cloud disk file and the local file is realized. According to the system and the method, cloud disk attribute visualization, cross-platform compatibility and access efficiency optimization are realized.

The invention relates to a virtual consistency multi-node message passing interface expansion method, device and equipment. The method comprises the following steps: deploying a distributed file system client at each computing node of a multi-node cluster, creating a unified virtual directory mounting point, transparently converting a file operation request under the unified virtual directory mounting point into a corresponding network protocol, and docking a global unified data storage pool, the unified virtual directory mounting point is used for providing consistent file views for all the computing nodes; pointing a file read-write path prefix of the message passing interface process to the unified virtual directory mounting point; and in response to the received user operation request, allocating computing nodes to the user operation request, ensuring that all the allocated computing nodes are mounted to the distributed file system, and starting a message passing interface process. By adopting the method, the consistency of the cross-node file view can be solved from the system level on the premise of not changing the communication logic.

The present application relates to the technical field of software, in particular to a database implementation method of virtual directory metadata, which comprises the following steps: creating two tables of Objects and Details by adopting structured design, Details storing file physical path and attribute, receiving file through API, uploading to real directory, adding record in Details table to obtain ID, querying Objects table to obtain source file ID, adding virtual directory record in Objects table to obtain ID, querying Objects table to obtain target virtual directory ID, searching record including ID, extracting Details_ID of these records, querying Objects table to obtain file ID to be deleted, checking record number corresponding to ID, when the record number is one, deleting Details record and real file, obtaining database state after deleting operation; periodically analyzing index of Path field of Objects table and common field of Details table, optimizing index to improve query efficiency, periodically cleaning invalid record, backing up data, and obtaining database of virtual directory metadata.

The invention relates to a file downloading method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: responding to a file downloading request, and executing a first task in parallel through each scanning unit in at least two scanning units; the first task comprises the steps of screening a file object in an object storage server based on a virtual directory prefix, generating a downloading task based on the file object under the condition that the file object is screened, and adding the downloading task into a downloading queue; executing the second task in parallel through each downloading unit in the at least two downloading units; the second task comprises the steps of obtaining the downloading task from the downloading queue, downloading file data of the file object corresponding to the downloading task from the object storage server, and storing the file data to the target path. According to the method and the device, the time consumption that a plurality of downloading units wait for the release of the inode lock mutually due to a lock competition mechanism is reduced, and the downloading efficiency of downloading the file from the object storage server to the NAS equipment is improved.

The invention relates to a distributed knowledge base file storage system based on a high-speed optical fiber network. A hardware architecture comprises storage nodes, an optical fiber switch and an application server. The system optimizes communication through a remote direct memory access technology, and a software architecture comprises a high-speed network driving layer, a joint file system daemon process and a user space file system framework. The united file system daemon process provides a unified virtual directory view, and supports standard file operation and data consistency. And the network optimization synchronization module optimizes data transmission by using a zero copy technology and asynchronous I / O. And the dynamic configuration management module supports dynamic node management and persistent configuration. And the control management interface module provides a UNIX Socket interface, supports JSON format instructions and realizes dynamic scheduling of storage resources. The user space file system framework is responsible for daemon process management, provides a unified storage view service and supports large model knowledge base application. The system provides an efficient and extensible storage solution for a large-scale knowledge base.

The invention relates to a file access method and device, computer equipment, a storage medium and a program product. The method comprises the steps that under the condition that a file access request for a target real directory in a file system is received, structural complex parameters of the target real directory are determined; wherein the structure complex parameter represents the directory structure complexity of the target real directory; determining an access strategy of a file access operation corresponding to the file access request according to the structure complex parameter; wherein the access strategy is a virtual directory access strategy or a non-virtual directory access strategy; the virtual directory access strategy is a strategy for accessing a target real directory through a target virtual directory corresponding to the target real directory; the non-virtual directory access strategy is a strategy for directly accessing a target real directory; and executing file access operation according to the access strategy. By adopting the method, the file of the file system can be accessed quickly and efficiently.

The invention provides an object protocol access method and device for a file system, equipment, a medium and a product, and belongs to the technical field of artificial intelligence and data storage, and the method comprises the steps: receiving a first access request based on an object protocol through an object protocol layer; analyzing the first access request through the request access layer to obtain an analysis result; through an actuator layer, determining a target file system accessed by the first access request based on the routing identification information, converting the first access request into a second access request based on a target storage protocol based on binary storage context information and virtual directory mapping, and determining a target protocol adapter corresponding to the target file system, and accessing the target file system through a standard file operation interface of the target protocol adapter, and executing the second access request. According to the invention, based on a single-storage multi-entry architecture, the access of the object protocol to the file system is realized through the analysis, protocol conversion and routing of the access request by the protocol gateway.

This invention discloses a user authentication and file sharing method based on a virtual directory, comprising: connecting to backend storage via a FUSE gateway to generate a virtual directory structure combining username and shared bucket; the file gateway obtaining all shared mount information and user authentication information using the extended attributes of the virtual directory; upon receiving a user mount request, generating a specific key based on the user account information, obtaining user authentication information and verifying identity through the extended attributes; after successful authentication, querying the shared bucket information to be accessed based on the shared mount information and the user request; then obtaining the shared bucket mount information using the extended attributes, determining the final access path, and completing file sharing and permission verification. This method does not rely on local configuration file synchronization, improves resource utilization, and simplifies the authentication and sharing process.

The application discloses a label aggregation method, a computing device and a readable storage medium. The label aggregation method is executed in the computing device, and the method comprises the following steps: when a label is added in a browser, it is detected whether label aggregation is needed. If yes, the URLs of all labels in the browser are acquired. Then, the URLs of all labels are parsed to obtain the domain names and virtual directories corresponding to the labels. Finally, label aggregation is performed based on the domain names and virtual directories corresponding to the labels. The label aggregation method can effectively avoid the problem that the key information of a label page cannot be fully displayed due to the compression of the length of the label, so that the time for a user to locate a target label page is shortened, and the experience of the user is improved.

The invention discloses a storage service multi-terminal full-quantity synchronization method and device, equipment, a medium and a product, and the method comprises the steps: obtaining the file information of a synchronous folder of a cloud, and displaying the virtual directory information of the synchronous folder; when an access request of a user for a target file in the synchronous folder is received, metadata of the target file is obtained, and the target file is downloaded to the local to be opened; and when the user stores the target file, synchronizing the target file of the cloud according to the stored metadata. According to the scheme, user input can be accurately understood, and the service processing result is accurately output.

This disclosure provides a ransomware detection method, apparatus, electronic device, storage medium, and product. The ransomware detection method includes: responding to a first system call in response to an application retrieving directory entries of a target directory, returning a list of directory entries for the target directory to the application, the list including virtual directory entries for a decoy file; responding to a second system call in response to the application opening the decoy file based on the virtual directory entries, creating and returning an anonymous file object mapped from the decoy file; and, if the file flags of the anonymous file object satisfy a first condition, determining whether the application exhibits ransomware behavior based on the application's file access operations on the anonymous file object, the first condition including file flags indicating that the open mode requires write permissions and / or the addition of a write flag. This disclosure enables accurate and real-time ransomware detection with zero disk overhead and low deployment costs.

The application relates to a multi-node message passing interface extension method, device and equipment for virtual consistency. The method comprises the following steps: deploying a distributed file system client on each computing node of a multi-node cluster, creating a unified virtual directory mounting point, transparently converting a file operation request under the unified virtual directory mounting point into a corresponding network protocol, and connecting a global unified data storage pool, the unified virtual directory mounting point being used for providing a consistent file view for all computing nodes; prefixing a file read-write path of a message passing interface process to the unified virtual directory mounting point; in response to receiving a user job request, allocating a computing node for the user job request and ensuring that all allocated computing nodes have been mounted to the distributed file system, and starting the message passing interface process. The method can solve the consistency of cross-node file views from the system level without changing the communication logic.

The application discloses a file system supporting rich metadata management and relates to the field of electronic digital data processing.The file system comprises a registration module, a namespace query module, a first data management module and a second data management module, and can be used as a file daemon of a FUSE framework to provide traditional file access and newly-added rich metadata management services for users.The rich metadata management service can provide metadata insertion, reading, deletion and display operations in addition to POSIX semantics, and can pack files with the same metadata attribute values or similar metadata attribute values into wrappers through automatic wrapper packing and mounting operations, and mount the files under the root directory of the file system in a virtual directory mode, so that users can quickly filter interested data from mass files by accessing the virtual directory.