67 results about "Active storage" patented technology

The invention discloses an Internet of Things equipment monitoring data stream processing method and system. The method comprises the following steps: step 1, collecting and preprocessing multi-source heterogeneous data; step 2, dynamic routing distribution; step 3, edge calculation processing; 4, performing real-time feedback regulation and control; 5, performing anomaly detection and fault tolerance; step 6, data persistence storage; step 7, performing multi-dimensional analysis; and step 8, security enhancement processing. According to the method, intelligent distribution of data streams is realized through the dynamic routing engine, optimal nodes are matched, and resource waste is reduced; the edge computing node cluster completes preliminary screening and filtering, reduces core pressure, adopts an active-active storage subsystem, combines hot and cold storage, reduces cost and guarantees access performance, a safety protection module constructs a full-link safety system, and cooperates with a dual-mode redundancy architecture to improve system availability and fault switching second-level response.

An archive model can be used for managing networked storage of recorded content, such as network DVR (digital video recorder) content. Content may be initially recorded to an active storage device, with individual duplicate copies recorded for each requesting user, and subsequently archived to an archive storage device. For playback, the content can be reconstituted into the active storage device prior to delivery to the requesting user. Content can be predictively reconstituted in anticipation of user needs, and the reconstitution capacity of the system can be dynamically reallocated for load balancing.

Obtaining immutable snapshots in storage systems for recovery after corrupted data detection. The method includes triggering an immutable snapshot without forcing an active storage write cache to flush so that active write cache data is not contained in the snapshot. The method includes analyzing current active writes in the write cache to identify compromised writes. Triggering the immutable snapshot may be in response to detection of a corrupted data risk and may be in addition to scheduled immutable snapshots or at the time of scheduled immutable snapshots.

The invention discloses an active-active storage difference data recording method and system based on a difference bitmap, and the method comprises the steps: receiving a write request initiated by a service cluster, and determining a currently used difference bitmap; according to the positions of the difference bitmaps, two difference bitmap spaces are respectively allocated from a physical partition of the dual-active volume disk in advance when the dual-active relation is created; calculating the initial position of the write request in the difference bitmap and the bit number of the write request IO length required to be recorded in the difference bitmap, and setting the bit number at the corresponding position in the currently used difference bitmap as dirty; according to the write request, executing a dual-active master-slave site storage array disk falling operation; and after judging that the use time of the currently used difference bitmap exceeds a preset time or when the ratio of the record dity bit of the currently used difference bitmap exceeds a preset threshold value, switching the currently used difference bitmap to another difference bitmap. According to the invention, the data consistency of the active-active storage sites can be ensured.

The present invention relates to a forklift truck (10) comprising a vehicle body (12) with a longitudinal direction and a lateral direction, a lifting mast (20) extending from the vehicle body (12) in a substantially vertical direction, an active position control system (22) configured to effect a relative movement of the lifting mast (20) relative to the vehicle body (12), at least one support element (28) extending between a first attachment point (24) on the vehicle body (12) and a second attachment point (26) on the lifting mast (20), and a support element adjustment system (30) configured to adjust the length of the support element (28) when the lifting mast (20) moves relative to the vehicle body (12) in such a way as to compensate for the resulting relative displacement of the second attachment point (26) relative to the first attachment point (24).Furthermore, the invention relates to a method for operating such a forklift truck.

A control method includes dividing a source data unit among a plurality of source data units received from a host into a plurality of source chunks; generating a unique value for each of the plurality of source chunks; inserting the unique values into a source bloom filter of the source data unit; calculating a Hamming similarity with a storage bloom filter of each of the plurality of active storage data units for the source bloom filter; selecting an active storage data unit based on the highest Hamming similarity as a target data unit; classifying each of the plurality of source chunks as a first deduplicated chunk, an already deduplicated chunk, or a unique chunk using the unique values; and storing at least one of the first deduplicated chunks in the target data unit, such that spatial locality of each chunk may improve and fragmentation may be alleviated.

A system for implementing and optimizing the storage potential of subterranean carbon mineralization can include a fluid injection well subsystem having an injection wellbore, a pumping system, and a fluid injection completion system disposed at an injection range along the injection wellbore, where the fluid injection completion system is configured to control an injection rate of pressurized fluid from the injection range into an active storage zone within a subterranean rock formation. The system can also include a fluid production well subsystem having a production wellbore and a fluid production completion system disposed at a production range along the production wellbore, where the fluid production completion system is configured to control an inflow rate of production fluid from the active storage zone into the production range of the production wellbore. The system can further include a monitoring subsystem configured to monitor carbon mineralization in the active storage zone.

A method, system, and computer program product are provided for obtaining immutable snapshots in storage systems for recovery after corrupted data detection. The method includes triggering 104 an immutable snapshot without forcing an active storage write cache to flush so that active write cache data is not contained in the snapshot. The method includes analysing 108 current active writes in the write cache to identify compromised writes. A system includes a snapshot triggering component for triggering 105 an immutable snapshot including a flush prevention component for preventing an active storage write cache flush. Triggering an immutable snapshot may be an immediate snapshot in a period of regular scheduled immutable snapshots or is a scheduled immutable snapshot.

The present invention discloses a method, system and medium for parametric modeling and engineering quantity calculation of a material pile storage capacity. The present invention includes establishing a cone parametric model of the material pile, establishing a parametric round-square-square model, aligning the parametric round-square-square model with the cone parametric model, and symmetrically copying multiple parametric round-square-square models to form a parametric round-square-square model array; performing a union process on the parametric round-square-square model array to obtain a union model, calculating a difference model between the cone parametric model and the union model to obtain a material pile dead storage capacity model, and subtracting the volume of the material pile dead storage capacity model from the volume of the original cone parametric model to obtain the active storage capacity of the material pile. The present invention can be used to achieve the function of parametrically quickly establishing a material pile and its storage capacity model, and complete site layout design; at the same time, the active and dead storage capacity engineering quantities can be calculated according to different design schemes, and then the design schemes can be compared to obtain the optimal material silo design result.

Systems and techniques are provided for secure computing. For instances, a process can include generating a master private key; generating a set of first dummy values; dividing the master private key into a first set of shares, wherein a sum of shares of the first set of shares equals a value of the master private key; initiating portions of an active memory bank with a sequence of integer modular additions, wherein the integer modular additions comprise: masking the first set of shares of the master private key; and adding the masked first set of shares of the master private key to portions of the active memory bank using a sequence of adds that adds and mixes the masked first set of shares of the master private key with dummy values.

In a network device with multiple connections, a system tracks activity across each connection for a predetermined period. This activity comprises at least either a number of idle periods or the duration of a corresponding idle period. The system divides a predetermined time interval into a number of bins. Each bin is associated with a time range. The system stores the tracked activity in data structure entries, each specifying the number of bins, the duration of time associated with that bin, and a counter value associated with that bin. The system updates the tracked activity in the entry for each connection by incrementing a counter value associated with a bin that corresponds to the duration of the respective idle period, based on an initial number of idle periods tracked for that matching duration.The system displays the stored tracked activity for each connection.

This application is directed to managing memory operations in a memory system or device (e.g., a solid-state drive (SSD)). While implementing one or more write operations on one or more active memory dies, the memory device identifies a first read request for data stored on a first memory die. The first read request is waiting next in a queue of read requests. In accordance with a determination (1) that the first memory die is distinct from the one or more active memory dies and (2) that no sufficient power is available to implement the first read request concurrently with the one or more write operations, the memory device suspends the one or more write operations according to a suspension scheme and implements the first read operation on the first memory die.

The invention discloses a storage array control method, a controller and a storage device, a storage array physical space is divided into a plurality of storage areas, sequential writing is executed in each storage area, and array random writing is converted into sequential writing in the storage areas. When a write request is processed, new data is additionally written into the current active storage area, the mapping relation is updated, old data is marked to be invalid, the old data and a check block are prevented from being read back, and write amplification and read amplification are eliminated. The random writing performance is remarkably improved, and the service life is prolonged.

The invention discloses an active-active storage control method and device, electronic equipment and a medium, and relates to the technical field of computers.The active-active storage control method comprises the steps that when a first site and a second site conduct active-active storage, first average response time and second average response time are obtained; determining whether to trigger a load adjustment strategy based on the first average response time, the second average response time and a preset response threshold; if it is determined that the load adjustment strategy is triggered, the first average response time and the second average response time are compared, and the load adjustment strategy is executed on the first site or the second site based on the comparison result, so that the first site or the second site subjected to load adjustment is used for active-active storage. The average response time for processing the active-active service read-write request based on the site is realized, the site load is dynamically balanced, the overall delay of the active-active service is reduced, the active-active storage service processing capability is improved, and stable and efficient operation of the active-active storage system is ensured.

A control method includes: dividing a source data unit of a plurality of source data units received from a host into a plurality of source chunks; generating a unique value for each of the plurality of source chunks; inserting the unique value into a source Bloom filter of the source data unit; calculating, for the source Bloom filter, a Hamming similarity to a storage Bloom filter of each of the plurality of active storage data units; selecting the active storage data unit as a target data unit based on the highest Hamming similarity; classifying each of the plurality of source chunks as a first de-reorganized chunk, a de-reorganized chunk, or a unique chunk using a unique value; and storing at least one of the first de-reorganized blocks in the target data unit, such that spatial locality of each block may be improved and fragmentation may be mitigated.

The present invention suppresses an increase in surface area and power consumption of a nonvolatile storage unit in a semiconductor chip for backing up and recovering data.　A bank switching control unit designates, as an executing bank, one bank from among a plurality of nonvolatile banks that does not correspond to a backup bank. When context is to be backed up, a normal backup and recovery processing unit performs backup processing for writing data read from a volatile storage unit to the executing bank and, when context is to be recovered, the normal backup and recovery processing unit performs recovery processing for writing, to the volatile storage unit and a backup bank, data read from the executing bank or from a recovery target bank designated by context switching. A power drop backup and recovery processing unit performs the backup processing when the power supply voltage has dropped to a value lower than a first threshold, and when the dropped power supply voltage has risen to a value higher than a second threshold, swaps the backup bank and the executing bank and then performs the recovery processing.

Techniques and apparatuses are described for overcoming memory, bandwidth, and / or power constraints in a processing-in-memory architecture. In example aspects, a memory device includes a logic circuit that is coupled to at least two banks. The memory device receives commands for concurrently performing at least a portion of a page operation and at least a portion of a processing-in-memory computation. The processing-in-memory computation is performed using the logic circuit and using data that was previously read from one of the active banks. The page operation is performed on another one of the banks that is idle to enable the logic circuit to access the data within this other bank for a later processing-in-memory computation. By performing the page operation during a same time as the processing-in-memory computation, a latency associated with the page operation can be effectively masked, thereby improving an overall efficiency of the memory device.

A method executed by processing circuitry, includes receiving, from a user interface (UI), one or more network assurance policies configured to be used in a CPE; receiving, periodically from a change request (CR) adaptor service, one or more active change requests (CRs) configured to be implemented; storing the one or more active CRs to an active scheduled CR table included in a network assurance policy database (DB); filtering, by an ingestion service of the CPE that screens incoming event streams based on the one or more network assurance policies, further the incoming event streams based on the active CRs within the active scheduled CR table; and discarding each incoming event from the incoming event streams that matches a dependent network element (NE) or a dependent network service (NS) that is within a CR time window where the CR time window is a period where a CR is being implemented.

The embodiment of the invention provides a fusion method of a hyper-converged system and an active-active storage service, and the method comprises the steps: configuring a network communication mode of a cloud file storage domain in the hyper-converged system to be a hybrid communication mode, and in the hybrid communication mode, if a management network corresponding to the hyper-converged system is abnormal, executing the hybrid communication mode; switching a network communication mode of the cloud file storage domain to a disk communication mode; according to the heartbeat time of the system node, configuring the service pull-up time of a monitoring component hyper-converged into the system; and based on the network communication mode of the cloud file storage domain and the service pull-up time of the monitoring component, fusing the hyper-fusion system and the active-active storage service to obtain a fusion system. According to the method and the device, the problems that the access of the host to the storage is influenced by the fault of the management network, the cluster lock is influenced due to the too short pull-up period, the abnormal node cannot be isolated, and the cluster is finally in a stuck state are solved, and the effect that the fused system runs more stably is achieved.

Embodiments of the present application provide a data processing method and device, equipment and medium, comprising: receiving a write data request of a client for a first storage cluster, and sending the write data request to the first storage cluster and a second storage cluster; receiving response information returned by the first storage cluster and the second storage cluster for the write data request, wherein the response information is used to indicate whether the write data is successful; and updating a survival state of a dual-active storage cluster according to the response information. Through the embodiments of the present application, the resource overhead of the storage system and the waiting time of the client can be effectively reduced.

The invention provides an active-active storage implementation method, device and equipment and a readable storage medium. Any storage device constructs a candidate LUN ID set after receiving an active-active LUN mapping request, and negotiates with another storage device based on a pre-occupied LUN ID which is tried currently through a pre-occupied mechanism; and sending the pre-occupied LUN ID to another storage device, so that the other storage device decides whether to allow the storage device receiving the dual-active LUN mapping request to perform mapping processing based on the pre-occupied LUN ID based on the local resource state, thereby obtaining the LUN ID allocated to the dual-active LUN pair based on the decision result, and realizing dual-end conflict-free dual-active LUN ID allocation of the two storage devices. And both the two storage devices in the embodiment can be used for deploying the main LUN of the active-active LUN pair, so that cross-device balanced deployment of the main LUN is further realized, and the performance bottleneck caused by the fact that the I / O flow of accessing the main LUN by the computing node is concentrated on a single storage device is avoided.

The present application discloses a dual-active storage control method, device, electronic device, and medium, which relate to the field of computer technology. The method includes obtaining a first average response time and a second average response time when a first site and a second site perform dual-active storage; determining whether to trigger a load adjustment strategy based on the first average response time, the second average response time, and a preset response threshold; if the load adjustment strategy is determined to be triggered, comparing the first average response time with the second average response time, and executing a load adjustment strategy on the first site or the second site based on the comparison result, so as to utilize the load-adjusted first site or the second site for dual-active storage. The method realizes the average response time of processing dual-active service read and write requests based on the site, dynamically balances the site load, reduces the overall latency of the dual-active service, improves the dual-active storage service processing capability, and ensures the stable and efficient operation of the dual-active storage system.

The invention discloses a monitoring method of an active storage device. The monitoring method of the active storage device comprises the following steps: training a prediction model by using a cloud server; the storage device actively sends the health state data of the storage device to a cloud server; and utilizing the cloud server to predict the future state of the storage device by using the prediction model according to the health state data of the storage device.

A system tracks, in a network device with multiple links, activity over a respective link for a predetermined amount of time. The activity comprises at least one of a number of idle periods or a duration of a respective idle period. The system divides a predetermined time interval into a number of bins. A bin is associated with a range of time. The system stores the tracked activity in data structure entries which each indicate the number of bins, a duration of time associated with a respective bin, and a count associated with the respective bin. The system indicates the tracked activity in the entry for the respective link by incrementing a count associated with a bin matching the duration of the respective idle period based on a first number of idle periods tracked for the matching duration. The system displays the stored tracked activity for the respective link.

The invention discloses a storage array control method, a controller and a storage device, a storage array physical space is divided into a plurality of storage areas, sequential writing is executed in each storage area, and array random writing is converted into sequential writing in the storage areas. When a write request is processed, new data is additionally written into the current active storage area, the mapping relation is updated, old data is marked to be invalid, the old data and a check block are prevented from being read back, and write amplification and read amplification are eliminated. The random writing performance is remarkably improved, and the service life is prolonged.

The application provides a bowl-shaped vibration isolator and an active storage and transportation device with the same, and belongs to the technical field of blood transportation. The bowl-shaped vibration isolator comprises an upper fixed block, at least two first clamping grooves for clamping into a frame rod of a blood storage frame, a lower fixed block connected with the upper fixed block, a second clamping groove matched with the first clamping groove, a limiting hole with a smaller diameter than the frame rod of the blood storage frame formed after the second clamping groove and the first clamping groove are matched, and a damping bowl connected with the lower fixed block and having a hollow area in the inside. The bowl-shaped vibration isolator is clamped and connected with the frame rod of the blood storage frame through the cooperation of the upper fixed block and the lower fixed block, and then the hollow structure of the damping bowl is used to realize the damping of the blood storage frame, so that the influence of vibration and swing in the transportation process on the blood in the blood storage frame is reduced, and the storage period of the blood is prolonged to a certain extent.

The application provides a bandwidth allocation method and device for storage devices in a dual-active storage system, which can be applied to the technical field of storage. The method comprises the following steps: analyzing load data of the storage devices in a predetermined period, and determining a load change rate in the predetermined period; based on the load change rate, determining one of a first bandwidth allocation mode and a second bandwidth allocation mode as a target bandwidth allocation mode, the first bandwidth allocation mode being bandwidth allocation based on a bandwidth adjustment model obtained through machine learning, and the second bandwidth allocation mode being bandwidth allocation based on dynamic weights; and based on the target bandwidth allocation mode, determining available bandwidths of a service path and a control path of the storage device, the service path being used for transmitting service traffic, the control path being used for transmitting control traffic, and the service path and the control path sharing a transmission channel of the storage device.

The invention relates to the technical field of high availability of storage systems, in particular to an active-active NAS (Network Attached Storage) and SAN (Storage Area Network) switching control method based on a multi-path redundant link, which comprises the following steps of: 1, constructing a redundant path topology, identifying all physical paths from a host to an active-active storage system, configuring at least two heterogeneous protocol paths passing through different network switching devices for each storage logic unit; step 2, dynamic health degree evaluation; 3, cross-protocol collaborative switching triggering is carried out, when the health degree is lower than a dynamic threshold value, if NAS-SAN associated resources exist, the associated storage resources are frozen, and application writing is paused; 4, executing arbitration switching; and step 5, performing back-switching control, and when the health degree of the original path is continuously superior to a dynamic threshold value, performing unfreezing and updating the assessment baseline. According to the invention, a more accurate switching decision is realized through back-switching control and dynamic threshold setting.

A storage system having both a high performance and high reliability is implemented. The storage system includes a plurality of storage nodes each including a processor and a memory, and a storage device. Each of the plurality of storage nodes includes a storage controller configured to run on the processor, the plurality of storage controllers include an active storage controller configured to process data output to and received from the storage device, and a standby storage controller configured to take over the processing of the data from the active storage controller, each of the active storage controller and the standby storage controller is allocated with a storage area of the memory, and the storage node changes an amount of a memory capacity allocated for the storage controller of the self-node when a state of the storage controller is switched between a standby state and an active state.

An embodiment of the present application provides a chip restart method, a main processor, a security module, a chip, a medium, and a product. The method includes: when the main processor receives a processing instruction indicating that the second storage area is the active storage area, sending a signature generation instruction to the security module, executing an identification maintenance task to switch the active storage area from the first storage area to the second storage area, and performing a restart. In the solution of the present application, after receiving the signature generation instruction, the security module generates a signature corresponding to the second storage area and retains the signature corresponding to the first storage area. When the chip system encounters an abnormality of identification maintenance failure after the signature is generated, the main processor can still start from the first storage area, avoiding the situation of system lockup, thereby improving the reliability of the chip system.