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Dynamic Arrangement of Error Recovery Procedure Table Sequence

IP.com Disclosure Number: IPCOM000117787D
Original Publication Date: 1996-Jun-01
Included in the Prior Art Database: 2005-Mar-31
Document File: 2 page(s) / 33K

Publishing Venue

IBM

Related People

Andoh, H: AUTHOR [+3]

Abstract

Disclosed is an efficient usage of Error Recovery Procedure (ERP), according to error types of Hard Disk Drive (HDD). Three ERP tables are prepared and arranged in order to be performed, according to the error type encountered, to recover the error as soon as possible.

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Dynamic Arrangement of Error Recovery Procedure Table Sequence

      Disclosed is an efficient usage of Error Recovery Procedure
(ERP), according to error types of Hard Disk Drive (HDD).  Three ERP
tables are prepared and arranged in order to be performed, according
to the error type encountered, to recover the error as soon as
possible.

      Each of three ERP tables in Fig. 1 is for the error of data,
for Data Address Mark (DAM) and for servo area.  If an error occurs,
all ERP will be executed, but the recovery time can be reduced by
this method.  The ERP table sequence is shown in Fig. 2.  In fact,
just move the pointer of ERP to adequate ERP table, according to
error type.

A more effective ERP sequence can be constructed by subdividing the
ERP table.