470 results about "Shut down" patented technology

Securely persisting transient data between virtual machine restarts or VM migrations involves terminating, by a first virtual machine (VM) during a shutdown process for the first VM, execution of user-space processes on the first VM, writing, by a first agent executing on the first VM, protected data from transient memory of the first VM to a virtual disk accessible by the first VM and shutting down the first VM. The process also involves initiating a startup process of a second VM, the second VM mounting the virtual disk; and executing, at the second VM and prior to execution of user-space processes, a second agent, the second agent being configured to: read the protected data from the virtual disk into transient memory of the second VM; and delete the protected data from the virtual disk.

The invention discloses a hot plug control method, a hot plug system, a medium and a program product, and relates to the technical field of servers. A substrate management controller sends interrupt signal state information to a peripheral interconnection component slot corresponding to a target device based on an obtained trigger instruction of the target device; and the central processing unit determines a status bit numerical value of the interrupt status register based on the interrupt signal status information, and controls the target equipment to be in a hot plug state based on the status bit numerical value of the interrupt status register. Therefore, the hot plug state of the PCI device is controlled, the problem that the PCI device is replaced by manual physical disassembly after the server is shut down and powered off, and the service operation of the server is affected is solved, and the operation and maintenance cost of the server is reduced. Besides, interrupt signal state information sent to the peripheral interconnection component slot is regulated and controlled by using the substrate management controller, a general input and output chip does not need to be introduced, and the cost is reduced.

The invention discloses a startup method, a shutdown method, a logic device, a server and a readable storage medium, the logic device is located in the server, the logic device is in communication connection with a field programmable gate array of the server, and after the server is powered on, the logic device is triggered to be reloaded by firmware; after firmware reloading is completed, a standby component of the server is powered on, and the state of the standby component is monitored; after it is monitored that the field programmable gate array is started, level information is transmitted to the field programmable gate array; and after the standby time sequence control is finished, performing power-on time sequence interaction with the field programmable gate array under the condition of receiving a power-on signal, and performing power-on processing on the processor. The method and the device have the technical effects that the startup action can be realized only by performing the standby time sequence and the power-on time sequence on the logic device and the field programmable logic gate array, and decoupling of the startup and shutdown of the server and the substrate management controller is realized, so that the startup and shutdown of the server are accelerated.

A Kubernetes migration orchestration manager includes a virtual CSI driver and a pod monitor interface. The virtual CSI driver enables the Kubernetes migration orchestration manager to interact with multiple types of storage system, to ensure that persistent volumes created on a first storage system type are able to be created and synchronized on a second storage system type. The pod monitor interface enables the Kubernetes migration orchestration manager to interact with the pod monitor of the Kubernetes cluster to artificially cause the pod monitor to apply a taint to nodes on the first site. This causes the pod monitor to shut down pods on Site A and to restart the pods on Site B. By stretching persistent volumes to Site B storage system and sequentially migrating pods to Site B, it is possible to orchestrate migration of the k8s cluster without shutting down the k8s cluster.

The present disclosure relates to the technical field of Graphics Processing Units (GPUs), and in particular to a GPU scheduling method and apparatus, and a storage medium. The method comprises: acquiring a migration command, the migration command being used for migrating a workload of a source Virtual Machine (VM) from a source GPU core to a target GPU core; on the basis of the migration command, establishing an association relationship between the source VM and a corresponding hardware identifier on the target GPU core; and on the basis of the association relationship after the migration, using the target GPU core to process the workload from the source VM. According to embodiments of the present application, while the VM is not shut down, the target GPU core is used to process the workload from the source VM, and thus the workload of the source VM is migrated from a high-load source GPU core to an idle target GPU core, so that the thermal migration between multi-core GPU cores can be achieved, the load between a plurality of GPU cores can be balanced, the pressure of a high-load GPU core can be reduced, the response time can be shortened, and the throughput rate can be increased.

Techniques include providing a post-login user interface of an operating system that accelerates navigation by decreasing interactions a user has with the operating system after a successful login. In some implementations, the post-login user interface includes an informed restore user interface that enables a user to select which session items to restore after an unexpected shutdown, such as a crash or a non-user initiated shutdown, for example due to low battery, after a new session, or after a system update. The informed restore user interface may enable a user to select some, all, or none of the applications for restore. The informed restore user interface may provide smart suggestions to help a user resume a task.

Various examples described herein are directed to systems and methods for operating a database management system. A first host may be executed at a first container of a cloud environment. The first host may be configured according to a first set of operating parameters and may perform a source role. A second host may be executed at a second container of the cloud environment. The second host may be configured according to the first set of operating parameters and may perform a replica role or the source role. A request to modify at least one operating parameter of the first source may be received. A third host may be started at a third container and configured to perform at least one of the source role or the replica role for the source role. At least one of the first host or the second host may be shut down.

The embodiment of the invention provides a server fan control method and device, a storage medium and electronic equipment, and relates to the field of computers.The server fan control method comprises the steps that state information of a control assembly of a target server in a shutdown state is obtained, the state information of the control assembly comprises an in-place state and a non-in-place state, and the control assembly comprises N assemblies; under the condition that at least one component in the N components is in the in-place state, the duty ratio of the PWM signals corresponding to the state information of the N components is found out from the relation mapping table, and the higher the duty ratio of the PWM signals is, the higher the rotating speed of the server fan is; based on the duty ratio of the PWM signal, a server fan is controlled to operate at a preset rotating speed, the target server supports a plurality of partitions, each component in the N components is arranged in one of the partitions according to a preset arrangement rule, and heat dissipation is performed on one group of components in the target partition by operating the server fan.

In various examples, motifs, watermarks, and / or signature inputs are applied to a deep neural network (DNN) to detect faults in underlying hardware and / or software executing the DNN. Information corresponding to the motifs, watermarks, and / or signatures may be compared to the outputs of the DNN generated using the motifs, watermarks and / or signatures. When a the accuracy of the predictions are below a threshold, or do not correspond to the expected predictions of the DNN, the hardware and / or software may be determined to have a fault—such as a transient, an intermittent, or a permanent fault. Where a fault is determined, portions of the system that rely on the computations of the DNN may be shut down, or redundant systems may be used in place of the primary system. Where no fault is determined, the computations of the DNN may be relied upon by the system.

The invention discloses a power supply control method and device of a server, equipment and a medium, which are used for preventing the occurrence of an accidental shutdown event of the server caused by mistakenly touching a power supply key, so that the stable operation of the server is ensured, and the reliability and stability of the server are improved. The server power supply control method provided by the invention comprises the steps that a user operation indication signal corresponding to a power supply button of a target server is monitored, and the user operation indication signal is used for indicating a user to press down the power supply button of the target server or the user to release the power supply button of the target server; when it is monitored that the user operation indication signal is an indication signal used for indicating a user to press down a power button of the target server, whether the target server is controlled to be powered off or not is judged according to preset power control configuration information, and the preset power control configuration information is used for indicating the user to press down the power button of the target server. Comprising configuration information about a power button shielding function of the target server.

Disclosed herein are systems and methods for self-isolation of power-management integrated circuits (PMICs) of memory modules under and in response to fault conditions. In an embodiment, a PMIC is operably engaged with a memory module that is operably engaged with a platform. The memory module includes a non-volatile-memory block having a power supply controlled by the PMIC. The PMIC has a critical-fault signal pin that can be asserted to shut down the platform. The PMIC determines whether at least one critical fault occurred during a prior cycle, and also determines whether a critical fault occurs during a bootup sequence during a current cycle. Based on determining that a prior-cycle critical fault occurred and that a critical fault occurs during the bootup sequence, the PMIC sets a critical-fault indicator corresponding to the current critical fault; powers down the power supply; and does not assert the critical-fault signal pin.

The invention discloses a Linux system quick starting method and device based on dormancy mechanism optimization. The method comprises the following steps: in response to detection of shutdown, executing the following dormancy operations: actively releasing a memory cache and temporary data, setting the size of a dormancy mirror image as a preset lower limit value, and generating the dormancy mirror image with the corresponding size; and in response to detecting that the system is powered on, executing the following wake-up operation: directly starting by the clipped boot kernel, and after the clipped boot kernel is started and before the initial memory disk is initialized, reading the sleep mirror image and restoring the system state. According to the Linux system quick starting method based on dormancy mechanism optimization, the starting speed of the Linux system can be remarkably increased by optimizing the core process of the dormancy mechanism.

The invention discloses a system quick recovery method and system based on system mirror image management, and the method comprises the steps: initializing a boot partition of a functional blade in a heterogeneous cluster system and a boot flag bit of the boot partition, the boot flag bit being used for BIOS reading to select a corresponding boot partition when the functional blade is started; the method comprises the following steps: triggering a job operating system or a boot operating system of a target function blade to restart through a soft shutdown interface, and modifying a start boot flag bit in a BMC (Baseboard Management Controller) of the target function blade, so that the target function blade is sequentially restarted and switched into the boot operating system from the job operating system; and executing system quick recovery or backup for the target system partition under the boot operating system, and then restarting and switching to run under the specified job operating system so as to complete system quick recovery or backup. According to the method, the characteristics of the heterogeneous cluster system are combined, and automatic and flexible system mirror image fast rollback recovery is achieved when the heterogeneous cluster system has a serious fault.

The invention provides a system shutdown control method and device, electronic equipment and a readable storage medium, and relates to the technical field of terminals.The control method comprises the steps that in response to shutdown operation, a plurality of target tasks to be processed before system shutdown and the task type of each target task are obtained; determining a processing sequence of the plurality of target tasks according to the task type of each target task; according to the processing sequence of the multiple target tasks, controlling a target application corresponding to each target task to process the target task; after the multiple target tasks are processed, the system is controlled to be shut down. Before the system is shut down, according to the processing type of each to-be-processed target task, each target application is controlled to process the corresponding target task according to a certain sequence, the processing requirements of different types of target tasks before the system is shut down are met, and the flexibility of the system shutdown is improved.

Securely persisting transient data between virtual machine restarts or VM migrations involves terminating, by a first virtual machine (102), VM, during a shutdown process for the first VM (102), execution of user-space processes on the first VM (102), writing, by a first agent (114A) executing on the first VM (102), protected data (118) from transient memory (104A) of the first VM (102) to a virtual disk (142) accessible by the first VM (102) and shutting down the first VM (102). The process also involves initiating a startup process of a second VM (102), the second VM (102) mounting the virtual disk (142); and executing, at the second VM (102) and prior to execution of user-space processes, a second agent (114B), the second agent (114B) being configured to: read the protected data (118) from the virtual disk (142) into transient memory (104B) of the second VM (102); and delete the protected data (118) from the virtual disk (142).

The invention discloses a fragmented memory optimization method, which comprises the following steps: using a default memory allocation strategy to allocate the size of a memory block in the first starting process of a system, recording the application and allocation conditions of the size of the memory block in the first running process after the first starting of the system is ended, and before the first shutdown of the system, recording the application and allocation conditions of the size of the memory block. And according to the recorded application and distribution conditions of the memory block sizes, judging whether a condition for reformulating a first memory distribution strategy is met, if so, reformulating the first memory distribution strategy as the first memory distribution strategy used in the next starting process of the system, and if not, reformulating the second memory distribution strategy. And taking the default memory allocation strategy as a second memory allocation strategy. The generation of memory fragments can be reduced.

The invention discloses an application process monitoring method and device, a medium and a computer program product, and relates to the technical field of computers. Determining a weight score of the application process according to the business logic weight of the application process and the priority weight of the application process, determining a memory depletion score of the application process according to the process memory occupation parameter of the application process and the weight score of the application process so as to determine a target process, and executing a memory recovery operation on the target process, the process selection mode of the memory depletion terminator mechanism is optimized to meet the business logic requirement, so that the situation that the key process of the business application is shut down when the system memory is recovered is reduced, the normal operation of the system is guaranteed, and the user experience is improved.

The invention relates to the technical field of data storage, and discloses a solid state disk compatibility testing method which comprises the following steps: after a solid state disk is started, automatically collecting basic performance information of the solid state disk based on a Python script and generating a standardized log file; running performance operation of the solid state disk in a preset time period, and simultaneously executing multi-user or multi-task concurrent test operation based on the automated script; a script is used for calling a system startup command or a shutdown command, the next startup process is automatically triggered after shutdown, a startup and shutdown cycle test mechanism is formed, and the startup time, the initialization duration and the abnormal interruption record of the solid state disk are synchronously collected in each startup and shutdown process; when the system runs, the Python script is used for safely removing and reinserting the solid state disk. The problem that an existing test method is narrow in platform coverage range is solved.

Described herein are devices, systems, methods, and processes for enhancing the fault tolerance and efficiency of open loop liquid cooling systems in high-powered computing environments. A leak detector is integrated, which, upon detecting a leak, may signal the baseboard management controller to shut down the coolant flow in the affected section by closing corresponding solenoid valves, preventing a complete system shutdown. The solenoid valves and the leak detector may be part of an on-board cooling system within the server chassis, providing localized control and fault tolerance. Additionally, the system can utilize the solenoid valves to control the coolant flow rate based on the thermal load of the device, optimizing energy usage, and potentially allowing for a higher number of devices within a rack. The embodiments may offer a more resilient and energy-efficient liquid cooling system for devices including high-powered components.

The application provides a CPU platform fault log recording method and device, comprising: receiving the running log data stream output by the CPU debugging serial port in real time; collecting the sampling value of the key power supply voltage and monitoring the hardware signal line to obtain the restart event signal and the shutdown event signal; packaging into a structured log recording unit; and writing the compressed log data block back to the flash memory; in response to the external reading instruction, reading the log data block from the specified log area of the flash memory and transmitting to the host end diagnostic tool; reorganizing and displaying in time sequence for fault analysis. The application can construct a log recording channel completely independent of the main CPU and operating system without increasing any additional hardware cost, ensuring that even in the most extreme system failure scenario, the complete context information at the fault moment can be reliably saved, thereby greatly improving the diagnosis efficiency and accuracy of the occasional fault.

The invention relates to a fault diagnosis method and device in a PLC system, the PLC system and a storage medium, and belongs to the technical field of industrial automation control. The method comprises the following steps: acquiring a starting signal and a plurality of shutdown fault signals of equipment in real time; when it is detected that the starting signal jumps from starting to stopping, a reverse analysis process is triggered, and multiple shutdown fault signals are polled according to a preset priority sequence; if a certain shutdown fault signal is in a fault triggering state, generating a corresponding fault code, and keeping the duration of the fault code to be not less than a preset duration through a timer; and transmitting the fault code to the HMI for display, and recording the fault code to a PLC internal fault log database. According to the invention, through embedded real-time diagnosis and a reverse trigger mechanism, the real-time performance of fault capture and the automation of diagnosis are realized, and the efficiency of fault diagnosis is improved. And meanwhile, the diagnosis function block is only activated when the equipment is shut down, so that the CPU occupancy rate is greatly reduced.

Devices, methods, and systems for shutdown and restart management in a distributed computing environment are described herein. One method includes determining whether a backup of a workload in a distributed computing environment exists, causing a shutdown sequence of the workload to occur at a first predetermined time to shut down the workload, and causing a restart sequence of the workload to occur to restart the workload in the distributed computing environment.

The invention relates to a method and system for realizing a Power Loss control function based on a Feiteng CPU, and the method comprises the steps: adding a code in a BIOS to realize the communication between the BIOS and an MCU, and transmitting Power Loss strategies, such as Power Off, Power On and Last State parameters, set in the BIOS by a user, and an instruction sent to the MCU by the BIOS under the condition of normal shutdown to the MCU through an I2C bus; an MCU firmware program is developed, so that the MCU can communicate with a BIOS, can store related instructions sent by the BIOS, can judge the access and removal of an AC power supply, and can control whether a computer is automatically powered on or started up according to a Power Loss strategy set by a user after the AC power supply is accessed; the power Loss control function of the Feiteng computer is achieved through mutual cooperation of the MCU and the BIOS, and the industrial problem that a current computer applying a Feiteng CPU does not support the power Loss control function is solved.

The invention relates to the technical field of semiconductor design and manufacturing, in particular to an operation method and a design method of a multi-core chip and the multi-core chip. According to the technical scheme, circuit logics which can accept manufacturing defects are divided into the first logic group, and circuit logics which cannot accept manufacturing defects are divided into the second logic group; by reading the defect state of at least one computing core on the multi-core chip, the availability of a first logic group capable of accepting manufacturing defects in the computing core can be determined; and when the defect state indicates that the first logic group is unavailable, configuring a control register in the computing core to close the first logic group, and keeping a second logic group which is not accepted to manufacture defects in the computing core in a running state without influencing the functional circuit logic of the computing core. According to the technical scheme, the circuit logic, capable of accepting manufacturing defects, of the multi-core chip still has usability when the manufacturing defects occur, and the overall yield of manufacturing of the multi-core chip is improved in a disguised mode.

A storage device may simplify an ungraceful shutdown recovery process and reduce a time-to-ready (TTR) value associated with an ungraceful shutdown bootup sequence. The storage device may include a cache to store data structures associated with host data and meta data. The storage device may also include a controller to store the data structures in a host memory buffer. After an ungraceful shutdown, the controller may execute a bootup sequence and access the host memory buffer during the bootup sequence. The controller may use the data structures stored in the host memory buffer to recover the host data and meta data. The controller applies the host data and meta data to the bootup sequence to simplify the ungraceful shutdown recovery process and reduce the TTR value associated with the ungraceful shutdown bootup sequence.

Described herein are devices, systems, methods, and processes for enhancing the fault tolerance and efficiency of open loop liquid cooling systems in high-powered computing environments. A leak detector is integrated, which, upon detecting a leak, may signal the baseboard management controller to shut down the coolant flow in the affected section by closing corresponding solenoid valves, preventing a complete system shutdown. The solenoid valves and the leak detector may be part of an on-board cooling system within the server chassis, providing localized control and fault tolerance. Additionally, the system can utilize the solenoid valves to control the coolant flow rate based on the thermal load of the device, optimizing energy usage, and potentially allowing for a higher number of devices within a rack. The embodiments may offer a more resilient and energy-efficient liquid cooling system for devices including high-powered components.

The invention relates to a timed startup and shutdown method based on an ARM architecture core processor and an industrial personal computer. The method comprises the following steps: acquiring current time from an RTC clock IC in real time; and controlling the industrial personal computer to be turned on or turned off according to the current time, the preset turn-on time and the preset turn-off time. At least the timed startup and shutdown function of the industrial personal computer based on the ARM architecture platform can be realized, and the energy-saving capability and wide applicability of the ARM architecture platform are improved.

The invention discloses a disk allocation mode changing method and device, computer equipment and a storage medium, and relates to the technical field of virtual machines. The method comprises the steps that a target disk mirror image corresponding to a source virtual disk is generated in response to a disk allocation mode conversion instruction, the conversion instruction comprises a target disk allocation mode, and the target disk allocation mode is different from the disk allocation mode of the source virtual disk; migrating data in the source virtual disk to the target disk mirror image, wherein the source virtual disk keeps working in the migration process; the target disk mirror image is mounted, a corresponding target virtual disk is generated to replace the source virtual disk, and the target virtual disk adopts the target disk distribution mode. Therefore, the virtual machine does not need to be shut down and restarted, and the influence on other currently running services of the virtual machine caused by change of the disk distribution mode is avoided.

The invention relates to a test method, system and device, computer equipment and a storage medium. The method comprises the steps that when it is detected that the server is in a system shutdown state, the server is controlled to be powered off and powered on through a power supply enable signal of a mainboard of the server; after the server is powered on, the server system is driven to be powered on and self-checked, and after self-checking is completed, the system is powered off. By adopting the method, the convenience of the AC loop test can be improved.

A system and method for maintaining database integrity. A first storage appliance receives data writes and increments an associated last sequence number (LSN) X upon each data write thereto. A second storage appliance receives data writes and increments an associated LSN Y upon each data write thereto and an external device is coupled to the first storage appliance and the second storage appliance. The first storage appliance and the second storage appliance comprise a cluster management database with data writes being replicated on both the first storage appliance and the second storage appliance. Upon the first storage appliance beginning to shut down, the LSN X is written to the external device.