KR880006689A - 자기디스크의 결함회피 제어방법 - Google Patents
자기디스크의 결함회피 제어방법 Download PDFInfo
- Publication number
- KR880006689A KR880006689A KR870012584A KR870012584A KR880006689A KR 880006689 A KR880006689 A KR 880006689A KR 870012584 A KR870012584 A KR 870012584A KR 870012584 A KR870012584 A KR 870012584A KR 880006689 A KR880006689 A KR 880006689A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic disk
- track
- control method
- avoidance control
- position information
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1883—Methods for assignment of alternate areas for defective areas
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도(a)는 자기디스크의 트랙에 결함이 없는 경우의 1실린더내의 2트랙의 각 레코드각의 위치관계를 도시한 도면.
제1도(b)는 1트랙에 결함이 있는 경우의 1실린더내의 2트랙의 각 레코드간의 위치관계를 도시한 도면.
제2도는 자기디스크의 3개 트랙의 각 결함위치를 표시한 예를 도시한 도면.
제3도는 본원 발명에 의한 1실린더내의 전체 트랙의 결함위치정보를 각 트랙에 기록한 예를 도시한 도면.
Claims (1)
- 복수의 자기디스크를 구비하고, 각 자기디스크상의 각 트랙에 결함위치정보를 등록하여 각 트랙에 각 트랙에 레코드를 기입하는데 있어서 결함을 회피하는 자기디스크장치에 있어서의 결합회피 제어방법에 있어서, 자기디스크장치의 실린더의 전체 트랙에 있어서의 결함위치정보를 각 트랙에 등록하는 단계와, 상기 결함위치정보에 의거하여 결함회피를 하면서 각 트랙에 레코드를 기입하는 단계로 이루어지는 자기디스크의 결함회피 제어방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61-265485 | 1986-11-10 | ||
JP61265485A JPH0668886B2 (ja) | 1986-11-10 | 1986-11-10 | 磁気デイスクの欠陥回避制御方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880006689A true KR880006689A (ko) | 1988-07-23 |
KR910002068B1 KR910002068B1 (ko) | 1991-04-01 |
Family
ID=17417831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870012584A KR910002068B1 (ko) | 1986-11-10 | 1987-11-09 | 자기디스크의 결함회피 제어방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4805048A (ko) |
JP (1) | JPH0668886B2 (ko) |
KR (1) | KR910002068B1 (ko) |
DE (1) | DE3738207A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5146571A (en) * | 1988-03-28 | 1992-09-08 | Emc Corporation | Remapping defects in a storage system through the use of a tree structure |
SG101970A1 (en) * | 2000-05-22 | 2004-02-27 | Seagate Technology Llc | Pattern-based defect description method |
US20020191319A1 (en) * | 2001-04-12 | 2002-12-19 | Seagate Technology Llc | Merged defect entries for defects running in circumferential and radial directions on a disc |
US8854758B2 (en) * | 2005-09-07 | 2014-10-07 | Agere Systems Inc. | Track defect map for a disk drive data storage system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3689891A (en) * | 1970-11-02 | 1972-09-05 | Texas Instruments Inc | Memory system |
SE393208B (sv) * | 1972-06-07 | 1977-05-02 | Ibm | Anordning for att undvika uppteckning och lesning av information pa defekta areor |
JPS57176581A (en) * | 1981-04-20 | 1982-10-29 | Hitachi Ltd | Control mechanism for magnetic storage device |
JPS5832236A (ja) * | 1981-08-18 | 1983-02-25 | Matsushita Electric Ind Co Ltd | 光学的記録再生装置 |
US4420807A (en) * | 1981-08-31 | 1983-12-13 | International Business Machines Corporation | Selectively holding data in a buffer for defective backing store tracks |
JPS58194143A (ja) * | 1982-05-07 | 1983-11-12 | Hitachi Ltd | デ−タ記録・再生方式 |
JPS59221810A (ja) * | 1983-05-30 | 1984-12-13 | Hitachi Ltd | 磁気記憶装置における交代セクタ−装置 |
US4631723A (en) * | 1984-06-08 | 1986-12-23 | Honeywell Information Systems Inc. | Mass storage disk drive defective media handling |
EP0195324B1 (de) * | 1985-03-18 | 1990-05-30 | Siemens Aktiengesellschaft | Kontrolleinheit für einen Magnetplattenspeicher |
-
1986
- 1986-11-10 JP JP61265485A patent/JPH0668886B2/ja not_active Expired - Lifetime
-
1987
- 1987-11-04 US US07/116,346 patent/US4805048A/en not_active Expired - Fee Related
- 1987-11-09 KR KR1019870012584A patent/KR910002068B1/ko not_active IP Right Cessation
- 1987-11-10 DE DE19873738207 patent/DE3738207A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS63121181A (ja) | 1988-05-25 |
JPH0668886B2 (ja) | 1994-08-31 |
DE3738207A1 (de) | 1988-05-19 |
US4805048A (en) | 1989-02-14 |
DE3738207C2 (ko) | 1990-01-18 |
KR910002068B1 (ko) | 1991-04-01 |
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Legal Events
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A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19971223 Year of fee payment: 10 |
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LAPS | Lapse due to unpaid annual fee |