Systems and methods for recovery from hardware access errors
AssigneeInternational Business Machines Corporation
InventorsDaniel M. Crowell, Alongkorn Kitamorn, Kevin F. Reick, Thi N. Tran
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Abstract
Systems, methods and media for recovering from a data scan error are disclosed. In one embodiment, a service processor determines the nature of the data scan error and, depending on the nature of the error, performs one of a plurality of data scan error recovery procedures.
Claims20
A method to recover from a data scan error, comprising:
- performing a data scan and determining if a data scan error occurs;
- determining if the data scan error is an SCOM attention error or a CRC error or Invalid instruction/parity error;
- then
- in response to an SCOM attention error, performing an SCOM attention error recovery procedure;
- or
- in response to a CRC error or Invalid Instruction/Parity error, performing a CRC/Invalid Instruction/Parity error recovery procedure.
A computer configurable to perform data scan error recovery, comprising:
- memory to store instructions to perform data scan error recovery;
- and
- a processor coupled with the memory to execute instructions stored in the memory to perform an SCOM attention error recovery procedure in the event of an SCOM attention error, and to perform a CRC/Invalid Instruction/Parity error recovery procedure in the event of a CRC error, Invalid Instruction error or parity error.
A machine-accessible medium containing instructions for updating a computer program, which, when the instructions are executed by a machine, cause said machine to perform operations, comprising:
- performing a data scan and determining if a data scan error has occurred;
- determining the type of data scan error, if one occurs;
- and
- in response to an SCOM attention error, performing an SCOM attention error recovery procedure;
- or
- in response to a CRC error, an Invalid Instruction error, or Parity error, performing a CRC/Invalid Instruction/Parity error recovery procedure.
Dependencies are inferred from the claim text.