Patent classifications
G06F11/16
Hot updates to controller software using tool chain
Disclosed embodiments relate to performing updates to Electronic Control Unit (ECU) software while an ECU of a vehicle is operating. Operations may include receiving, at the vehicle while the ECU of the vehicle is operating, a software update file for the ECU software; writing, while the ECU is operating, the software update file into a first memory location in a memory of the ECU while simultaneously executing a code segment of existing code in a second memory location in the memory of the ECU; and updating a plurality of memory addresses associated with the memory of the ECU based on the software update file and without interrupting the execution of the code segment currently being executed in the second memory location in the memory of the ECU.
Memory-based distributed processor architecture
Distributed processors and methods for compiling code for execution by distributed processors are disclosed. In one implementation, a distributed processor may include a substrate; a memory array disposed on the substrate; and a processing array disposed on the substrate. The memory array may include a plurality of discrete memory banks, and the processing array may include a plurality of processor subunits, each one of the processor subunits being associated with a corresponding, dedicated one of the plurality of discrete memory banks. The distributed processor may further include a first plurality of buses, each connecting one of the plurality of processor subunits to its corresponding, dedicated memory bank, and a second plurality of buses, each connecting one of the plurality of processor subunits to another of the plurality of processor subunits.
Memory-based distributed processor architecture
Distributed processors and methods for compiling code for execution by distributed processors are disclosed. In one implementation, a distributed processor may include a substrate; a memory array disposed on the substrate; and a processing array disposed on the substrate. The memory array may include a plurality of discrete memory banks, and the processing array may include a plurality of processor subunits, each one of the processor subunits being associated with a corresponding, dedicated one of the plurality of discrete memory banks. The distributed processor may further include a first plurality of buses, each connecting one of the plurality of processor subunits to its corresponding, dedicated memory bank, and a second plurality of buses, each connecting one of the plurality of processor subunits to another of the plurality of processor subunits.
Early acknowledgment for write operations
This disclosure describes techniques for providing early acknowledgments to a source device performing a data write operation within a data center or across a geographically-distributed data center. In one example, this disclosure describes a method that includes receiving, by a gateway device and from a source device within a local data center, data to be stored at a remote destination device that is located within a remote data center; storing, by the gateway device, the data to high-speed memory included within the gateway device; transmitting, by the gateway device, the data over a connection to the remote data center; after transmitting the data and before the data is stored at the remote destination device, outputting, by the gateway device to the source device, a local acknowledgment, wherein the local acknowledgment indicates to the source device that the data can be assumed to have been stored at the remote destination device.
DETECTING AND RECOVERING FROM FATAL STORAGE ERRORS
The present disclosure relates to systems, methods, and computer readable media for identifying and responding to a panic condition on a storage system on a computing node. For example, systems disclosed herein may include establishing recovery instructions between a host system and a storage system in responding to a future instance of a panic condition. The storage system may provide an indication of a self-detected panic condition in a variety of ways. In response to identifying the panic condition, the host system may perform one or more recovery actions in accordance with recovery instructions accessible to the host system. This may include performing resets of specific components and reinitializing communication between the host system and storage system in less invasive ways than slower and more expensive conventional approaches for responding to panic conditions on computing nodes.
Method, System, and Computer Program Product for Maintaining Data Centers
A method, system, and computer program product for maintaining data centers obtain input data; communicate an update request associated with the input data to a node of a plurality of nodes; receive an indication that the update request failed; communicate a result request for result data associated with processing of the input data to the node of the plurality of nodes until the result data associated with processing of the input data is received; and in response to receiving the result data associated with processing of the input data from the node, process the result data.
SHADOW MEMORY CHECKING
In one aspect, an integrated circuit (IC) includes a multiplexor configured to receive data from a non-volatile memory and configured to receive data from a shadow memory, a shift register configured to generate a first signature from the data received from the non-volatile memory and configured to generate a second signature from the data received from the shadow memory; a signature storage configured to store the first signature; and a shadow memory checking controller configured to enable the multiplexor to send the data from the non-volatile memory to the shift register, and send a command to reload the shadow memory with data from the non-volatile memory in response to receiving an error flag. The IC also includes a comparator circuit configured to compare the first signature and the second signature and configured to send the error flag in response to the first signature and the second signature being different.
SYSTEM AND METHOD FOR PRIORITIZED PROCESSING OF ALERTS FROM INFORMATION HANDLING SYSTEMS
A system receives a first alert pertaining to a main part from a managed information handling system, determines whether an alternative part is available at the managed information handling system as a substitute for the main part, and determines a life expectancy of the alternative part. The system may also determine whether an expected level of service can be expected to be provided by the alternative part based on the life expectancy of the alternative part, select between a plurality of levels of criticality to apply to the first alert, and dispatch the first alert for resolution at a selected level of criticality.
Limiting blast radius for critical on-disk data corruptions in a distributed storage system
System and method for managing distributed storage objects for host unavailability in a distributed storage system uses at least one of a crash indicator in a specific on-disk block and a paused object indicator for a distributed storage object to determine whether to perform data recovery for the distributed storage object. When the crash indicator is set or the paused object indicator implies that the distributed storage object is a paused object, the distributed storage object is left as a paused object without perform the data recovery for the distributed storage object. When the crash indicator is unset and the paused object indicator implies that the distributed storage object is not a paused object, the data recovery for the distributed storage object is performed.
REDUNDANT, FAULT-TOLERANT, DISTRIBUTED REMOTE PROCEDURE CALL CACHE IN A STORAGE SYSTEM
A method of operating a remote procedure call cache in a storage cluster is provided. The method includes receiving a remote procedure call at a first storage node having solid-state memory and writing information, relating to the remote procedure call, to a remote procedure call cache of the first storage node. The method includes mirroring the remote procedure call cache of the first storage node in a mirrored remote procedure call cache of a second storage node. A plurality of storage nodes and a storage cluster are also provided.