47 results about "Network File System" patented technology

The present application relates to the technical field of network file systems, and discloses a method for NFS authentication enhancement based on a file handle, comprising: responding to a user opening a file system, acquiring a first dedicated mount address corresponding to the file system, wherein the first dedicated mount address comprises a file system to be mounted and a unique user flag, encrypting the unique user flag, and splicing same onto the first dedicated mount address to generate a second dedicated mount address. The present application enhances the security of the NFS protocol: the present solution uses a file handle-based authentication mechanism, effectively preventing tampering and counterfeiting of the file, and thereby increasing the security and reliability of the NFS protocol; additional server support is not needed, and a corresponding authentication procedure need only be implemented at the client end and the server end, simplifying the authentication process and increasing the ease of use and maintenance of the NFS protocol.

One or more embodiments of the invention relates to a method of managing a file system, by using a cluster that includes an enhanced file system redirector proxy (FSRP) node and at least one namespace access node. The method may include obtaining, by the enhanced FSRP node, a request from a client, and in response to the request: performing a translation of the request to a cluster-readable format to obtain a cluster-readable request, determining a namespace access node of the cluster to service the cluster-readable request, sending the cluster-readable request to the namespace access node, obtaining confirmation of servicing of the cluster-readable request from the namespace access node, and providing a file handle to the client based on the confirmation of the servicing.

The invention discloses a content library sharing method and device, electronic equipment and a storage medium, and relates to the technical field of computers, and the method comprises the following steps: mounting a network file system to all cloud management control nodes to establish a unified access interface, intelligently partitioning a mirror image file and marking key blocks, forming a global block index by means of a distributed key value library, and storing the global block index in the cloud management control nodes; therefore, each resource pool can share the mirror image block and accurately position the key block, cross-resource-pool unified management and efficient multiplexing of the mirror image are realized, and dependence on a local disk or a private mirror image library is avoided. The technical problems that in the prior art, due to dependence on a local disk or a private mirror image library, all resource pools are difficult to manage in a unified mode, mirror image versions are inconsistent, and storage space is repeatedly occupied can be solved. The technical effects of realizing cross-resource-pool unified management, ensuring the consistency of mirror image versions, reducing repeated occupation of storage space and improving the cloud host creation efficiency are achieved.

The invention relates to a virtual machine recovery method and device, computer equipment, a readable storage medium and a program product, relates to the technical field of data protection and recovery, and can improve the universality of instant recovery. The method comprises the following steps: creating a state machine and entering a system mounting stage of the state machine; in a system mounting stage, mounting a logic file system created according to the snapshot data of the faulted virtual machine to a local directory of the backup server; in the system sharing stage, a backup server local directory is shared with a platform server of the virtualization platform based on a universal network file system protocol, so that the platform server mounts the backup server local directory; in a virtual machine starting stage, creating a normal virtual machine in the local directory of the backup server to trigger the platform server to operate the normal virtual machine according to the snapshot data in the local directory of the backup server; wherein when the rollback triggering event is detected, the state machine is used for executing the corresponding rollback operation according to the stage where the state machine is located.

The present application discloses a file filtering method, apparatus, device, and medium, relating to the field of computer technology. The method comprises: obtaining a current filtering condition and a previous filtering condition in a service configuration file of a network file system; adjusting the previous filtering condition based on the current filtering condition to obtain a current target filtering condition; and mounting the client of the network file system to a server so as to filter the current file using the network file system protocol and the current target filtering condition to obtain a target file. Through the above method, the previous filtering condition is adjusted in the service configuration file of the network file system in each system to obtain the current target filtering condition, and the current file is filtered using the network file system protocol and the current target filtering condition to obtain the target file. Therefore, the labor input cost can be reduced and the efficiency can be improved when operating files.

The application provides a method and system for realizing storage-computing separation through a distributed file cache system, comprising the following steps: S1, deploying a service end of a network file system in a bottom-layer storage system, and sharing a source data directory to an active area where a computing cluster is located; S2, deploying a distributed file cache system in the active area where the computing cluster is located, and mounting the shared source data directory in the distributed file cache system; and S3, selecting a submitted computing task node in the active area where the computing cluster is located, reading data, and writing the data into a working node. According to the application, the working node of the cluster can pull data from a remote storage and then locally cache the data to realize one-time reading and multiple-time use, thereby reducing the number of cross-city network access times.

This application provides a fault handling method, program product, electronic device, and storage medium, applied in the field of computer technology. The method includes: acquiring network state data and service state data of a network file system within the current detection period to obtain current network state data and current service state data; performing fault risk detection on the network file system by fusing the current network state data and current service state data; and, if a fault risk is detected in the network file system, and the risk level of the fault risk is a target risk level among multiple risk levels, performing a processing operation corresponding to the target risk level on the network file system, where one risk level corresponds to one processing operation. This application solves the problems of low fault detection accuracy and insufficient intelligence in fault handling methods in related technologies, achieving the effect of improving fault detection accuracy and increasing the intelligence of fault handling.

The present application discloses a method and apparatus for transferring data, a heterogeneous platform, a device, and a medium, applied to the technical field of storage. The method includes: storing data to be transferred into a memory to which said data is mounted, uploading data information of said data to an on-chip system, so that the on-chip system performs packaging on the basis of the data information and using a network file system protocol, to obtain a network file system protocol packet, acquiring the network file system protocol packet returned by the on-chip system, and adding said data to the network file system protocol packet to obtain a target data packet; and sending the target data packet to a corresponding storage server. The problem to be solved by the present application is the problem of existing data transfer schemes consuming a large amount of time and CPU resources, The scheme of the present application avoids the operation of batch copying of data in a CPU, and may improve the data transfer efficiency and reduce the consumption of CPU resources and hardware cost.

Embodiments of the present application relate to the technical field of computers, and provide a firmware upgrade method, an electronic device, a storage medium, and a product. The method comprises: in response to a received firmware upgrade task, uploading a target firmware upgrade file and key information of a baseboard management controller in a target cluster to a master node; screening for candidate network file system nodes and non-candidate network file system nodes for connectivity testing; on the basis of the result of the connectivity testing, determining a network file system configuration node from the candidate network file system nodes, and determining a mounted child node of the network file system configuration node from the non-candidate network file system nodes; copying the target firmware upgrade file from the master node to the network file system configuration node, and copying the target firmware upgrade file to the mounted child node by means of the network file system configuration node; and executing the firmware upgrade task. In the present embodiments, the time and effort of operation and maintenance personnel are saved.

A data acquisition method and apparatus and a computer device. The method includes: configuring a server cluster and a network file system server to a target wide area network; broadcasting, by a baseboard management controller, serving as a target baseboard management controller, a link layer discovery protocol data frame to the target wide area network, and receiving, by a baseboard management controller serving as a preset baseboard management controller in the target wide area network except for the target baseboard management controller, the link layer discovery protocol data frame broadcast by the target baseboard management controller, to achieve successful handshake communication of two servers; obtaining a preset data acquisition rule of the baseboard management controller in response to the baseboard management controller reporting an error; and acquiring data of the baseboard management controller based on the preset data acquisition rule through the network file system server.

An embodiment of the present invention discloses a method for building a verification environment for SOC simulation verification and an SOC simulation verification device. The SOC simulation verification method includes: loading a bootloader; wherein, the bootloader has transplanted the drivers of the minimum system device modules of the SOC in the simulation verification device; loading an operating system; wherein, the operating system has transplanted the drivers of the minimum system device modules of the SOC in the simulation verification device; when starting the operating system through the bootloader, remotely connecting to a network file system through the operating system; when receiving at least one verification instruction for other device modules of the SOC except for the minimum system device modules, loading a verification program file matching the verification instruction from the network file system, and running the verification program file to perform verification tests on other device modules of the SOC, which can shorten the time for loading the verification program file, support multi-user parallel verification, improve the verification test efficiency, and support system-level combined verification.

The embodiment of the invention discloses a media resource processing method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: determining a media resource corresponding to NFS access when the NFS access initiated by a client is received; acquiring the media resource based on a non-mounting mode; and returning the media resource to the client side. According to the scheme, the media resources can be played stably with high performance.

The invention provides a big data job starting method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining target job configuration information of a target job; under the condition that the target job configuration information is analyzed to obtain a dependency package specified directory, downloading a target dependency package pointed by the dependency package specified directory from the object storage according to the dependency package specified directory, and storing the target dependency package in a network file system; and when the target job is submitted, starting the target dependent package in the network file system. According to the method and the device, the target dependent packet can be directly pulled from the network file system as long as the target file with the job configuration information as the target job configuration information is submitted, so that the technical effect of effectively reducing the overall bandwidth throughput and related access QPS caused by pulling of the dependent packet is achieved; therefore, the problem of low operation starting speed caused by high bandwidth throughput of object storage due to dependent packet pulling in the prior art is solved.

A computer is configured to execute network file system (NFS) client software, and issue NFS commands to an NFS server along with checksums that are used by the NFS server to verify the integrity of remote procedure call (RPC) packets that include the NFS commands, by performing the steps of: computing a first checksum of a first RPC packet by applying a checksum algorithm to the first RPC packet, wherein the first RPC packet includes a first NFS packet, the first NFS packet including an NFS command to be performed by the NFS server; inserting the first checksum into the first RPC packet; creating a first transmission control protocol (TCP) packet that includes the first RPC packet having the first checksum inserted therein; and transmitting the first TCP packet to the NFS server over a network using a network interface controller (NIC).

The present invention discloses a network file system and a request processing method based on the network file system, which relates to the field of computer technologies. The network file system includes: a file system client and a file system server; the file system client is used to convert a written file operation request into a network FUSE request, send the network FUSE request to the file system server, and then receive the request processing result returned by the file system server; the file system server is used to obtain the network FUSE request sent by the file system client, process the network FUSE request to obtain the request processing result, and then return the request processing result to the file system client. The network file system can achieve the beneficial effects of convenient use by the client and simple development of the file system server, and solve the problems that FUSE has no network access capability and the existing NFS implementation is relatively complex.

The present application discloses a configuration management method, electronic device, medium and product for a network file system, and relates to the technical field of network file systems. The method comprises obtaining a first file by parsing a configuration file and storing the parsed configuration information in a preset format. The preset format is used to indicate the memory layout of different configuration information and the memory layout of the different configuration information is continuous, so that the configuration file is converted into a precompiled first file, and the configuration information in the first file has a continuous memory layout. Therefore, when the content of the first file is loaded, the memory storing the loaded content is continuous, thereby reducing the memory fragmentation rate. Moreover, since the first file is obtained by pre-parsing the configuration file, when a configuration loading instruction is received, there is no need to parse the configuration file again, thereby avoiding the time-consuming parsing of the configuration file and improving the loading efficiency. Therefore, the technical problems of low configuration file loading efficiency and high memory fragmentation rate can be solved.

An NFS export is created on a node of a data protection appliance. The export includes a backup to be accessed by an access object service hosted by the node. The node is in a cluster of nodes including other AOB services and NFSv3 servers accessible via external IP addresses. Each AOB service has access to other portions of the filesystem assigned to other AOB services. The export is mounted at an NFSv3 client which conducts data protection IO on the export using an external IP address to the node. A mapping of the export is maintained. Upon a node failure, resource utilization of other nodes is probed to select a failover node. The mapping is consulted to identify the IP address associated with the failed node. The IP address is migrated to the failover node.

The invention provides a massive vector file storage encryption system and method, in the system, an encryption client is installed at a working terminal, and an encryption gateway is connected in series between the working terminal and a vector file storage server; the encryption client is used for realizing mapping from a network file system in the vector file storage server to a local file system in the working terminal and writing and reading processing of files; the encryption gateway is used for realizing storage protection of vector files based on a file storage protocol, realizing user group key management, distributing different group keys according to different user groups, performing encryption protection on the vector files to which the user groups belong, and ensuring that authorized users can access the vector files in the corresponding user groups. According to the method, high-performance vector file encryption and decryption transmission and storage can be realized, vector file isolation protection is realized through group access control, vector file processing application and storage server transformation are not needed, the performance is high, and the safety of vector file storage is improved.

The invention is applicable to the technical field of application installation, and provides a resource preloading-based Android application installation method, which comprises the following steps that: a construction end constructs a complete installation directory mirror image of a target Android application through resource preloading, and stores the complete installation directory mirror image in an NFS (Network File System) shared memory; mounting the complete installation directory mirror image in the NFS shared memory to a local temporary directory by the running end, and mounting the local temporary directory, a write-in layer directory and a working directory required by the OverlayFS to a standard installation directory of the target Android application; when an operation end receives an installation request of a target Android application, scanning a standard installation directory of the target Android application through the PMS to obtain an installation package of the target Android application; and injecting the application information analyzed from the installation package of the target Android application into a PMS database, and sending a broadcast to an Android system of a running end to activate the target Android application. According to the method, the installation duration of the Android application in the cloud mobile phone scene can be shortened.

The invention provides a satellite-borne multi-concurrent network file system implementation method based on a Zynq-7000 platform, and relates to the technical field of satellite-borne computer systems. The method comprises the following steps: a hardware platform adopts a Zynq-7000 SoC, and integrates an ARMCortex-A9 processor and an FPGA (Field Programmable Gate Array) logic resource; the interface supports a serial port and a network port, and the network port is in dual-redundancy configuration; the operating system adopts a BusyBox to construct a cutting version Linux system, comprises a ramdisk file system and runs at a PS (Packet Switch) end; a file system adopts ramdisk as a root file system, a Xilinx Vivado tool is used for configuring PL logic to generate a bitstream file, U-Boot, a device tree, a kernel, the file system, the PL bitstream and an FSBL are packaged into a single mirror image file to be stored in an SPI Flash, and an FSBL starting parameter is configured; the network file system module provides a standard network file system interface to the outside and supports concurrent access of multiple clients; during starting, the U-Boot is guided by the FSBL, and then the whole operating system is loaded by the U-Boot; and the storage medium is used for mounting NAND Flash through hardware and providing persistent storage capability.

The present invention relates to the technical field of network file systems. The present invention discloses an enhanced NFS authentication method based on file handles, which includes responding to a user's activation of a file system and obtaining a first exclusive mounting address corresponding to the file system. The first exclusive mounting address includes the file system to be mounted and a unique user identifier. The unique user identifier is encrypted and concatenated onto the first exclusive mounting address to generate a second exclusive mounting address. The present invention improves the security of the NFS protocol: This solution adopts an authentication mechanism based on file handles, which can effectively prevent file tampering and forgery, and improves the security and reliability of the NFS protocol. The present invention does not require additional server support and only needs to implement corresponding authentication programs on the client and server sides, which can simplify the authentication process and improve the usability and maintainability of the NFS protocol.

The application relates to the technical field of data storage, and discloses a file grading method, device and equipment of an automation system and a storage medium, the method comprising the following steps: creating an authentication user group in a cluster and creating authentication users based on the authentication user group; keeping an active connection between the cluster and a client; synchronizing the authentication user group and the authentication users to the client; creating a tenant; creating an object scene user associated with the authentication users and the tenant; creating a bucket belonging to the tenant through a related key of the object scene user; setting a network file system share for the bucket, and mounting the network file system share on the client; obtaining, through the network file system share on the client, a latest target time of an object uploaded into the bucket through an object storage protocol, the target time comprising a creation time, a content modification time and / or a permission change time; and grading the object based on the latest target time. The application realizes automatic acquisition of metadata required for file grading in a fusion scene.

The invention provides a privatized intelligent data processing method, device and equipment based on a storage and calculation separation architecture and a storage medium. When an NAS server receives a user task request, intention recognition is performed on the request, task metadata is extracted, rigid constraint judgment is performed according to dependency model information, and the task metadata is extracted; the tasks are divided into a first type of tasks which cannot be executed locally and a second type of tasks which can be executed locally. For the first class of tasks, the NAS server sends a magic packet to the computing terminal in a dormant state through a local area network to wake up the computing terminal, and after the computing terminal is started, a shared directory of the NAS is mapped into a local logic driver through a network file system protocol to establish mounting connection; and obtaining target data in a streaming reading mode to a memory, executing reasoning operation by utilizing the GPU, and writing back a result to the NAS after completing the reasoning operation. According to the scheme, the high-power-consumption computing terminal is awakened to work only when processing complex tasks, the high-power-consumption computing terminal is kept in a dormant state in other time, and meanwhile data is always stored at the NAS end.

The present invention provides a multi-level caching network file system management method, comprising: an application software requests a file from a client, and the client searches a local cache; if the client's local cache misses the file, the client reads the file from a server, obtains a time attribute of the last modification to the file, returns the file to the application software, and simultaneously saves the file and the time attribute of the last modification to the local cache. The present invention utilizes multi-level caching technology to reduce the number of synchronous interactions between the client and the server, thereby improving the read and write performance of the onboard system; and efficiently implements incremental transmission of cached file data between the server and the client through the rsync algorithm, thereby ensuring the correctness and consistency of the cached file data between the server and the client to a certain extent.

The invention discloses a file management method, device and equipment and a computer readable storage medium, and belongs to the technical field of computers. The method is applied to a file management client side on a terminal, the terminal supports a first protocol, the first protocol is a network file system protocol or a server message block protocol, and the method comprises the steps that in response to login operation, file information is obtained from a server, and the file information indicates files stored by the server; determining intercommunication information of a first protocol, wherein the intercommunication information of the first protocol is used for indicating whether the file management client and the server can communicate through the first protocol; the method comprises the following steps: displaying file information and protocol information of a first protocol in a first page based on the fact that a file management client and a server can communicate through the first protocol; in response to a file management operation in the first page, file management is performed on files stored in the server through the first protocol. According to the method, the file management speed can be increased, and the file management efficiency is higher.

The present invention relates to the field of computer technology, and in particular to a network file system testing method, apparatus, device, and medium. The method comprises: mounting a shared directory of an NFS service to multiple clients; configuring each client to run multiple threads in parallel to perform read and write operations, with each thread having the same read and write block size for read and write operations; selecting one client from the multiple clients as a target client, and establishing a communication bus between the target client and each of the remaining clients; monitoring the execution status of each thread on the target client, and monitoring the execution status of each thread on the remaining clients via the communication bus; splitting a task to be tested into sub-test tasks on the target client using the read and write block size as a unit; and distributing the sub-test tasks on the target client according to the execution status of each thread until all sub-test tasks are completed. The solution of the present invention implements concurrent testing of a network file system.

A method of managing data in a cluster, that includes a plurality of file system redirector proxy (FSRP) nodes, includes receiving, by a global event manager of the cluster, a notification that an event (e.g. unavailability of a FSRP) has occurred on the cluster. In response to the notification, the global event manager performs a load balancing analysis on the cluster to assign an export location of a file system export to a FSRP node of the plurality of FSRP nodes, and notifying each of the plurality of FSRP nodes in the 10 cluster of the event, wherein the notifying results in an update of a global export table of each of the plurality of FSRP nodes of the assigning of the export location to the FSRP node. The file system preferably exports in format readable in a network file system NFS protocol with. clients manage namespaces in the NFS protocol.

The invention provides a data transfer method and system.The method is used for transferring target data of a source machine to a target machine, a network file system is deployed on the target machine, and when the method is applied to the source machine, the method comprises the steps that the target data and data information of the target data are obtained, a data transfer request is generated and sent to a target machine; in response to a data transfer response returned by the target machine, obtaining a target storage space and mounting the target storage space to a pre-created temporary directory; and determining an original directory for storing the target data based on the data information of the target data, copying historical data of the original directory to the temporary directory, and covering the original directory to generate a target directory so as to realize transfer of the target data.

The application discloses a data access method applied to an intermediate device in a network file system (NFS) architecture. In the method, the intermediate device is arranged between a client device and a remote server, and the intermediate device is responsible for caching part of data on the remote server. In this way, when the intermediate device obtains a data access request from each client device, the intermediate device can quickly return corresponding data to the client device based on the cached data, thereby improving data access efficiency. Moreover, the data is uniformly cached based on one intermediate device, without introducing a complex delegation authorization mechanism, thereby reducing data processing overhead and network burden.

The present application provides a method, apparatus, and device for evaluating an autonomous driving model. The method includes: obtaining a pre-processed file and processing the pre-processed file based on a preset first autonomous driving model to obtain a first output file; sending the pre-processed file to at least one domain controller based on a network file system (NFS) sharing service; receiving a second output file sent by at least one domain controller based on the NFS sharing service; and determining an evaluation result based on the first output file and the second output file sent by at least one domain controller. The method of the present application can reduce the model evaluation gap between different types of devices, obtain more accurate evaluation results, and improve the efficiency of autonomous driving model evaluation.