Memory fault recovery system which executes degradation or recovery of memory
AssigneeNEC Corporation
InventorTakashi Suzuki
Life of this patent
Estimating the term…
Abstract
A system for memory fault recovery in an information processor has been described herein. When a fault recovery section detects a fault in a memory in each of logic units contained in the information processor, a fault memory control section searches a fault memory control table for identification information of the memory whose fault is detected, and gives instructions as to degradation of the memory specified by the memory identification information if the identification information of the detected memory is registered. A fault monitoring timer section measures a time elapsed since the registration of memory identification information in the fault memory control table and deletes identification information of a memory whose registration time period exceeds a prescribed time period.
Claims8
A memory fault recovery system in an information processor comprising:
- fault recovering means for detecting a memory fault occurring in each memory of a plurality of logic units contained in an information processor and recovering the memory fault;
- fault memory registering means for registering an identification information of said memory whose fault is detected;
- fault memory controlling means for searching said fault memory registering means for the identification information of a memory whose fault is detected by said fault recovering means to instruct said fault recovering means on degradation of said memory indicated by said identification information when the identification information of said memory whose fault is detected is registered and to newly register the identification information of said memory whose fault is detected in said fault memory registering means when the identification information is not registered;
- and
- registration monitoring means for measuring a time elapsed since the fault memory controlling means registered the identification information of the memories registered in the fault memory registering means to delete the identification information of a memory whose registration time period exceeds a fixed time period.
A memory fault recovery system in an information processor comprising:
- fault recovering means for detecting a memory fault occurring in each memory of a plurality of logic units contained in an information processor and recovering said memory fault;
- fault memory registering means for registering an identification information of the memory whose fault is detected and the number of occurrences of fault for each memory;
- processing mode designating means for designating degradation and other recovery modes for said memory whose fault is detected and a reference number of occurrences of fault corresponding to a processing mode for said each memory;
- fault memory controlling means for counting a number of occurrences of fault for the identification information in said fault memory registering means when the identification information of the memory whose fault is detected by the fault recovering means is registered in the fault memory registering means, and selecting the recovery modes having the reference number of occurrences of fault matching the number of occurrences of fault in the fault memory registering means to instruct said fault recovering means to execute a recovery;
- and
- registration monitoring means for measuring a time elapsed since the identification information is registered in said fault memory registering means to delete the identification information of a memory whose registration period exceeds a prescribed time period.
Dependencies are inferred from the claim text.