KR19990003647A - 데이타 저장장치의 버퍼 룸 로직과 그 제어방법 - Google Patents
데이타 저장장치의 버퍼 룸 로직과 그 제어방법 Download PDFInfo
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- KR19990003647A KR19990003647A KR1019970027550A KR19970027550A KR19990003647A KR 19990003647 A KR19990003647 A KR 19990003647A KR 1019970027550 A KR1019970027550 A KR 1019970027550A KR 19970027550 A KR19970027550 A KR 19970027550A KR 19990003647 A KR19990003647 A KR 19990003647A
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- South Korea
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Links
- 239000000872 buffer Substances 0.000 title claims abstract description 129
- 238000013500 data storage Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012546 transfer Methods 0.000 claims abstract description 31
- 238000012795 verification Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000006870 function Effects 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims description 2
- 102100032386 1,5-anhydro-D-fructose reductase Human genes 0.000 description 4
- 101000797917 Homo sapiens 1,5-anhydro-D-fructose reductase Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0656—Data buffering arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
- G06F3/0676—Magnetic disk device
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (2)
- 데이타 기록 검증기능을 갖으며 소정의 기록매체에 데이타를 저장하는 데이타 저장장치와 호스트 사이에 전송되는 데이타를 버퍼링하는 버퍼 룸 로직에 있어서, 호스트 인터페이스부로부터의 데이타섹터 전송시와 데이타 기록완료시에 발생되는 펄스를 카운팅하는 제1,제2버퍼 카운터와, 버퍼 메모리의 최대 크기를 지시하는 최대 버퍼 카운터의 값을 상기 제1버퍼 카운터의 값과 비교하여 호스트 노 룸이 판명되면 호스트로부터의 데이타 전송을 정지시키기 위한 펄스를 상기 호스트 인터페이스부로 출력하는 제1비교부와, 상기 제2버퍼 카운터와 최대 버퍼 카운터의 값을 비교하여 기록매체 노 룸이 판명되면 기록매체로부터 리드된 데이타의 전송을 정지시키기 위한 펄스를 발생하여 출력하는 제2비교부와, 상기 제1,제2버퍼 카운터 각각과 기록매체 인터페이스부 사이에 접속되어 소정의 제어신호에 의해 스위칭 온-오프 동작되는 스위칭부들과, 데이타 기록완료시마다 발생되는 펄스가 상기 제1버퍼 카운터로 입력되도록 상기 스위칭부들을 각각 스위칭 온-오프 제어하는 제어신호를 출력하는 제어부로 구성함을 특징으로 하는 버퍼 룸 로직.
- 데이타 전송완료펄스와 데이타 기록완료펄스에 의해 카운팅값이 변화되는 제1,제2버퍼 카운터들과, 호스트와 디스크로부터의 데이타 전송을 정지시키기 위한 펄스를 각각 출력하는 제1,제2비교부들과, 상기 버퍼 카운터들 각각과 디스크 인터페이스부 사이에 접속된 스위칭수단들을 포함하는 버퍼 룸 로직 제어방법에 있어서, 데이타 기록명령시 데이타 기록완료펄스가 상기 제2버퍼 카운터만으로 입력되도록 그와 접속된 스위칭수단을 스위칭 온시키는 과정과, 매 데이타섹터 기록시마다 기록된 데이타를 리드하여 패일여부를 검사하는 과정과, 검사결과 기록데이타가 패일되지 않은 경우 상기 제1버퍼 카운터에 접속된 스위칭수단만을 스위칭 온시킴으로서 호스트로부터의 데이타 전송을 제어하는 과정으로 이루어짐을 특징으로 하는 버퍼 룸 로직 제어방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970027550A KR100251950B1 (ko) | 1997-06-26 | 1997-06-26 | 데이타 저장장치의 버퍼 룸 로직과 그 제어방법 |
US09/105,180 US6134610A (en) | 1997-06-26 | 1998-06-26 | Buffer room logic in data storage device and method for controlling the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970027550A KR100251950B1 (ko) | 1997-06-26 | 1997-06-26 | 데이타 저장장치의 버퍼 룸 로직과 그 제어방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990003647A true KR19990003647A (ko) | 1999-01-15 |
KR100251950B1 KR100251950B1 (ko) | 2000-04-15 |
Family
ID=19511331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970027550A KR100251950B1 (ko) | 1997-06-26 | 1997-06-26 | 데이타 저장장치의 버퍼 룸 로직과 그 제어방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6134610A (ko) |
KR (1) | KR100251950B1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6621652B2 (en) * | 2000-07-26 | 2003-09-16 | Seagate Technology Llc | Drive with streaming-optimized write validation |
EP1182543B1 (en) * | 2000-08-17 | 2005-08-24 | Texas Instruments Incorporated | Maintaining remote queue using two counters in transfer controller with hub and ports |
US20040267489A1 (en) * | 2003-06-24 | 2004-12-30 | Frederic Reblewski | Data compaction and pin assignment |
US7421535B2 (en) * | 2004-05-10 | 2008-09-02 | International Business Machines Corporation | Method for demoting tracks from cache |
US8122193B2 (en) * | 2004-12-21 | 2012-02-21 | Samsung Electronics Co., Ltd. | Storage device and user device including the same |
KR100578143B1 (ko) * | 2004-12-21 | 2006-05-10 | 삼성전자주식회사 | 버퍼 메모리에 저장된 데이터를 무효화시키는 스킴을 갖는저장 시스템 및 그것을 포함한 컴퓨팅 시스템 |
US8922931B1 (en) | 2013-05-13 | 2014-12-30 | Western Digital Technologies, Inc. | Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality |
KR20150015621A (ko) * | 2013-07-31 | 2015-02-11 | 에스케이하이닉스 주식회사 | 데이터 저장 장치 및 그것의 동작 방법 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0206743A3 (en) * | 1985-06-20 | 1990-04-25 | Texas Instruments Incorporated | Zero fall-through time asynchronous fifo buffer with nonambiguous empty/full resolution |
US5084841A (en) * | 1989-08-14 | 1992-01-28 | Texas Instruments Incorporated | Programmable status flag generator FIFO using gray code |
US5664094A (en) * | 1990-04-03 | 1997-09-02 | Canon Kk | Method and apparatus for read-write-verification of data stored on an optical disc and stored in a buffer of an optical disk drive |
US5249271A (en) * | 1990-06-04 | 1993-09-28 | Emulex Corporation | Buffer memory data flow controller |
US5289478A (en) * | 1991-03-11 | 1994-02-22 | Fujitsu Limited | Method and means for verification of write data |
US5450546A (en) * | 1992-01-31 | 1995-09-12 | Adaptec, Inc. | Intelligent hardware for automatically controlling buffer memory storage space in a disk drive |
US5471351A (en) * | 1993-07-09 | 1995-11-28 | Fujitsu Limited | Method and apparatus of verifying accurate writing through comparisons of written and read data |
US5455954A (en) * | 1993-12-22 | 1995-10-03 | Adaptec, Inc. | Host interrupt signal generation circuit for controlling an auto read operation in a disk drive controller |
US5909334A (en) * | 1996-05-10 | 1999-06-01 | Western Digital Corporation | Verifying write operations in a magnetic disk drive |
US5941998A (en) * | 1997-07-25 | 1999-08-24 | Samsung Electronics Co., Ltd. | Disk drive incorporating read-verify after write method |
-
1997
- 1997-06-26 KR KR1019970027550A patent/KR100251950B1/ko not_active IP Right Cessation
-
1998
- 1998-06-26 US US09/105,180 patent/US6134610A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100251950B1 (ko) | 2000-04-15 |
US6134610A (en) | 2000-10-17 |
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