A memory system includes: a memory device; and a controller suitable for controlling the memory device and including a buffer memory, wherein the controller performs error history logging into the buffer memory in response to a logging start command from a host, stops the error history logging in response to a logging stop command from the host, and provides the host with the logged error history in response to an output command from the host.

Disclosed herein are systems and method for generating a guest Operating System (OS) crash dump. In one aspect, an exemplary method comprises, obtaining information about a guest physical memory and a state of a guest CPU, determining guest page tables including a data structure for mapping between the guest physical memory and guest virtual pages using registers of the guest CPU, identifying an interrupt handler and determining an address of the interrupt handler using the guest page tables and the registers of guest CPU, finding a location of a kernel image in memory by scanning virtual addresses backward starting from the interrupt handler until a beginning of an executable kernel module is found, identifying and fetching debug symbols, determining system task descriptors using the debug symbols, determining debugger relevant data using the debug symbols, and generating the crash dump header using the system task descriptors and the debugger relevant data.

Described are techniques including a computer-implemented method of determining, by a service processor, that a first set of callouts of a first error log matches a previous set of callouts of a previous error log. The method further comprises combining the first error log with the previous error log in a first group in a service processor log of the service processor. The method further comprises transmitting information related to the first group to a management console communicatively coupled to the service processor.

A method, an electronic device, and a program product for determining a score of a log file are provided. The method includes acquiring a log file related to a monitored system and source code corresponding to the log file. The method may further include determining a first score of the log file based on a first log rule subset in a log rule set, the log rule set being used to evaluate at least one of analyzability of the log file and supportability of the monitored system. The method may further include determining a second score of the source code based on a second log rule subset in the log rule set and determining a third score of the log file at least based on the first score and the second score.

A vehicle includes a sensor and a transmitter. The vehicle further includes a non-transitory computer readable medium configured to store instructions thereon. The vehicle further includes a processor connected to the non-transitory computer readable medium. The processor is configured to execute the instructions for receiving or generating a data collection command, wherein the data collection command includes processing instructions for processing data collected from at least one of the sensor, an application log, or a system log, the processing information includes a number of processing operations to be performed, and a type of processing for each of the processing operations. The processor is further configured to execute the instructions for collecting sensor information based on the data collection command. The processor is further configured to execute the instructions for processing the collected data based on the processing instructions; and instructing the transmitter to transmit the processed data.

A pattern extraction and rule generation device according to one embodiment includes a database where failure factor information including a failure factor location and a failure factor, an occurring failure event that is a failure event occurring due to a failure and a non-occurring failure event that is a failure event not occurring due to the failure, and a rule ID associated with a rule including condition parts and conclusion parts are registered, by a failure type, in association with each other, a unique determination unit that generates, by the failure type, all of one or more possible combinations of the occurring failure event and the non-occurring failure event included in a failure event group including the occurring failure event and the non-occurring failure event associated with a new failure, and extracts, from combinations of failure events of a new failure and combinations of failure events of one or more past failures, by the failure type, a unique pattern that is determined to be a combination most different from a failure event in other failure cases every time the new failure occurs, and a rule generation and modification unit that generates or modifies, when the non-occurring failure event is selected for the one or more possible combinations according to the unique pattern corresponding to each failure, the rule with the failure event as a negative condition.

Provided are embodiments for a computer-implemented method, system and computer program product for identifying dependencies in a control sequence. Embodiments include receiving a control block that comprises a first error dependency (EDEP) level, maintaining the first EDEP level, and determining whether the received control block was successfully executed. Embodiments also include receiving a subsequent control block that comprises a second EDEP level, comparing the first EDEP level and the second EDEP level, and providing the subsequent control block for execution based at least in part on the successful execution of the received control block, and on the second EDEP level being less than or equal to the first EDEP level.

A processing system of a storage network operates by: sending, to at least one storage unit of the storage network, at least one read request corresponding to at least a read threshold number of a set of encoded data slices to be retrieved, wherein the set of encoded data slices correspond to a data segment, wherein the data segment is coded in accordance with dispersed error coding parameters that include a write threshold number and the read threshold number, wherein the write threshold number is a number of encoded data slices in the set of encoded data slices and wherein the read threshold number is a number of the set of slices that is required to decode the data segment; receiving, via the at least one processing circuit and from the at least one storage unit, a first subset of encoded data slices of the set of encoded data slices, wherein the first subset of encoded data slices is missing at least one missing encoded data slice that was not received from the at least one storage unit in response to the at least one read request and wherein the number of encoded data slices in the first subset of the encoded data slices is less than the read threshold number; generating, via the at least one processing circuit, at least one rebuilt encoded data slice corresponding to the at least one missing encoded data slice utilizing locally decodable redundancy data, wherein the locally decodable redundancy data generated from a second subset of the set of encoded data slices that includes the at least one missing encoded data slice; and recovering, via the at least one processing circuit, the data segment based on the at least one rebuilt encoded data slice and the first subset of encoded data slices.

An apparatus comprises a host device that includes a multi-path input-output (MPIO) driver configured to control delivery of input-output (IO) operations from the host device to first and second storage systems over selected paths through a network. The MPIO driver is further configured to identify a connectivity failure between the host device and a given one of the first and second storage systems, to generate a message comprising one or more details of the connectivity failure, and to send the message to a remaining one of the first and second storage systems over at least one path of a plurality of paths between the host device and the remaining one of the storage systems. The first and second storage systems in some embodiments are arranged in an active-active configuration relative to one another, with one being designated as a non-bias and the other as a bias storage system.

Provided are a memory controller, a method of operating the memory controller, and a storage device including the memory controller. The method includes performing a first operation on a non-volatile memory; storing a first code path corresponding to pieces of codes executed as the first operation is performed in a history buffer; comparing the first code path with a plurality of reference code paths related to the first operation; and identifying whether the first operation is abnormally performed based on a result of the comparison.