30 results about "Network File System" patented technology

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 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 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).

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 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 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 application discloses a file transmission control method and device, a storage medium and an electronic equipment. The file transmission control method comprises the following steps: receiving a file transmission request initiated by an application program; in the case that a source shared directory belongs to a source server and a destination shared directory belongs to a destination server, controlling the destination server to mount the source shared directory on the source server to obtain a candidate server; controlling the source server and the candidate server to transmit a target file from the source shared directory on the source server to the destination shared directory on the candidate server, and controlling the candidate server to return a transmission result of the target file; receiving the target transmission result returned by the destination server, and sending the target transmission result to the application program. By using the technical scheme, the problems of low file transmission efficiency in a network file system in the prior art are solved, and the technical effect of improving the file transmission efficiency in the network file system is achieved.

The invention discloses an automatic key timeliness verification method. The method comprises the following steps: (1) inputting a unique feature code and a target file by a user; (2) acquiring a key and a ciphertext sample from a database and a target file; (3) verifying the validity of the current key; (4) judging whether the current key is invalid or not according to the correct rate; (5) starting a key cracking task; (6) obtaining keys to be selected and verifying the keys one by one; and (7) storing the correct secret key and returning the correct secret key to the user. According to the method and the device, fine management of using one key for each MAC address and each file is realized, and the problems that in the prior art, the key granularity is relatively coarse, binding with the terminal is difficult, self-adaptive aging control cannot be carried out according to cross-region access risks, abnormal cross-border access is difficult to identify in time and the like are solved; therefore, the security, the flexibility and the auditing performance of the network file system are improved.

A method for transferring data includes: storing to-be-transferred data to a self-mounted memory, uploading data information of the to-be-transferred data to a system on chip, so that the system on chip packages the data information through a network file system protocol to obtain a network file system protocol packet, obtaining the network file system protocol packet returned by the system on chip, and adding to-be-transferred 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 application discloses a space capacity query method applied to a network file system and relates to the technical field of computers, and the method comprises the following steps: after obtaining a target request sent by a target user through a client, determining a target user group in which the target user is located based on preset capacity query logic, and querying a user capacity quota corresponding to the target user, a user used capacity of the target user and a user group capacity quota corresponding to the target user group; querying a system total capacity corresponding to the network file system based on a preset interface provided by the network file system; obtaining a target total capacity and target available capacity corresponding to the target user according to the user capacity quota, the user group capacity quota, the system total capacity and the user used capacity; and sending the target total capacity and the target available capacity to the client. The application can query the target total capacity and the target available capacity possessed by the target user.

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 application provides a cross-device data access method and device, electronic equipment and storage medium, and relates to the technical field of data processing. The cross-device data access method comprises the following steps: obtaining an operation request generated by an application program; in response to the operation request, forwarding the operation request to a network file system kernel driver through a virtual file system; calling an eBPF module to perform a target operation on a cache space through the network file system kernel driver, and obtaining a first target operation result; the cache space is used for caching data read from other electronic equipment or data written to other electronic equipment; and feeding back the first target operation result to the application program through the virtual file system. The method improves the efficiency of cross-device data access and reduces the time delay.

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.

Name caching can be used external to a distributed file system (DFS), such as a network file system (NFS), to reduce the complexity of facilitating a file operation at the DFS. A system that can use the name caching and request the file operation of the DFS can comprise a processor and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations. The operations can comprise, in response to a lookup operation or a file operation performed by a DFS, storing, using the processor, a name cache entry for each directory element accessed during the lookup operation or the file operation. The operations further can comprise sending, to the DFS, a single request that comprises a compound command comprising requests for a set of lookup operations and for a file operation.

The application discloses a method and device for configuring a network file system, and relates to the technical field of computers. The method comprises the following steps: configuring a plurality of network file systems for any storage class in a container deployment system; creating a persistent storage volume declaration pointing to the storage class; determining a target network file system from the plurality of network file systems based on a determination strategy of the network file system; and creating a container package in the container deployment system based on the persistent storage volume declaration and the target network file system, wherein the container package comprises at least one container. The method can realize that one storage class corresponds to a plurality of network file systems, improve the performance of the container deployment platform, and reduce the maintenance cost.

The application provides a network file system (NFS) thread redundancy processing method and device and electronic equipment. A backup thread pool cooperating with a main thread pool is pre-configured, and client requests are distributed based on a flow control strategy and a connection state marker. When a client request accesses a shared directory that has activated the flow control strategy, the connection is marked as a specified service type, so that all subsequent requests of the client are distributed to the backup thread pool for processing, and client requests that have not activated the flow control strategy or have not been marked are still processed in the main thread pool. Therefore, client requests with slow processing can be isolated to the backup thread pool, and independent NFSD threads in the backup thread pool can process slow services affected by the flow control, so as to avoid the spread of thread blocking caused by slow services to the main thread pool, thereby affecting the performance of other clients, and ensuring the efficient response of the main thread pool to regular services.

This application relates to a virtual machine recovery method, apparatus, computer device, readable storage medium, and program product, belonging to the field of data protection and recovery technology, and can improve the versatility of instant recovery. The method includes: creating a state machine and entering the system mounting phase of the state machine; in the system mounting phase, mounting a logical file system created based on snapshot data of the failed virtual machine to a local directory on a backup server; in the system sharing phase, sharing the local directory of the backup server with the platform server of the virtualization platform based on a common network file system protocol, so that the platform server mounts the local directory of the backup server; in the virtual machine startup phase, creating a normal virtual machine in the local directory of the backup server to trigger the platform server to run the normal virtual machine based on the snapshot data in the local directory of the backup server; wherein, when a rollback trigger event is detected, the state machine is used to execute the corresponding rollback operation according to the phase in which the state machine is located.

The invention relates to a request processing method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: in response to a login request, creating a running environment through a multi-user management center to obtain a user development environment container corresponding to the login request; when a file access request sent by an application program in the user development environment container is received, obtaining a unified target path mounted in the user development environment container through the network file system, and querying target service data in the cache according to the unified target path; if the target business data exists in the cache, reading the target business data from the cache through a unified target path; and if the target business data does not exist in the cache, obtaining the target business data from the at least one remote storage system through the unified target path, and storing the target business data to the cache. By adopting the method, the time consumption for reading the business data based on multiple data sources in a distributed environment can be reduced.

The application discloses a configuration information updating method and device, a storage medium and an electronic device, relates to the technical field of cloud services, and is applied to a network file system. The network file system runs on a cloud storage cluster, and the network file system comprises a plurality of gateway nodes. The method comprises the following steps: a first storage unit and a second storage unit are arranged in a configuration center of the cloud storage cluster, wherein the first storage unit is used for storing configuration information of the network file system, and the second storage unit is used for storing operation instructions of the gateway nodes; the second storage unit is updated after the first storage unit is updated; and in the case that the second storage unit is determined to be updated, the configuration information of the plurality of gateway nodes is updated to the configuration information in the first storage unit. The technical problem that node configuration information of a distributed network file system is difficult to keep strong consistency in real time and reliably is solved, and the technical effect that node configuration information of the distributed network file system is kept consistent in real time and reliably is achieved.

The application discloses a batch operation method and device of network file system sharing, equipment and medium, and relates to the technical field of storage systems. The method is applied to a network file system, and comprises the following steps: acquiring a data bus, and registering basic information of the network file system to the data bus to establish a connection between the network file system and the data bus; defining a batch operation interface of network file system sharing, and based on the connection between the network file system and the data bus, starting a cyclic monitoring bus thread to monitor a batch operation command sent by a data bus client to the network file system sharing; and using a processing function registered in the batch operation interface to complete corresponding operation according to the batch operation command. Through the technical scheme, the batch operation of network file system sharing can be quickly realized, and the management efficiency and user experience of network file system service are improved.

The application relates to a file lock operation method, device and equipment and a storage medium. The main technical scheme comprises the following steps: obtaining file lock request information input by a user on a client for performing a lock operation on a target file, obtaining a lock chain table in a target file storage entry, judging whether a file lock exists on the target file according to the lock chain table, when the file lock exists on the target file, determining position information of a to-be-operated file lock corresponding to a lock operation request and a historical file lock in the lock chain table according to the file lock request information and the lock chain table, and performing a lock operation on the target file according to the position information of the to-be-operated file lock corresponding to the lock operation request and the historical file lock in the lock chain table. The application can keep the data of multiple clients synchronized, and greatly enhances the reliability, ease of use and security of a network file system.