Information storing method, information storing unit, and disk d

Details Information storing method, information storing unit, and disk d Information storing method, information storing unit, and disk d

1998-01-23

2000-09-26

Robertson, David L.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

711161, G06F 1107

Patent

active

061254592

ABSTRACT:
Even in the case of a full hang state where a command to reset software is entirely ineffective, memory dump can be stored even if there is no in-circuit emulator. An HDD itself monitors a command execution time, that is, the time between reception of a command from a host computer and completion of the process of the command. If the HDD judges that it has taken an abnormally long time, a memory dump will be automatically stored on a reserved area on a disk. The memory dump can be read out from the disk at any time so that an analysis can be made.

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patent: 5812752 (1998-09-01), Yamada

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