JP2005513645A - 記憶装置キャッシュメモリマネージメント - Google Patents
記憶装置キャッシュメモリマネージメント Download PDFInfo
- Publication number
- JP2005513645A JP2005513645A JP2003555353A JP2003555353A JP2005513645A JP 2005513645 A JP2005513645 A JP 2005513645A JP 2003555353 A JP2003555353 A JP 2003555353A JP 2003555353 A JP2003555353 A JP 2003555353A JP 2005513645 A JP2005513645 A JP 2005513645A
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- JP
- Japan
- Prior art keywords
- cache memory
- storage medium
- data
- file system
- cache
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0862—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with prefetch
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
図2には、ファイルシステムによるキャッシュ先取りの実施例が示されており、
図3には、記憶媒体からキャッシュメモリへのデータ転送の実施例が示されており、
図4には、キャッシュメモリからホスト装置のデータ転送の実施例が示されており、
図5には、本発明の他の実施例をあらわすシステムのブロックダイヤグラムが示されており、
図6には、ホスト装置によるキャッシュ書込みの実施例が示されており、
図7には、書込みキャッシュ命令中に実行されるデータフローの実施例が示されている。
キャッシュセグメントサイズ:ここで規定されているキャッシュセグメントのサイズ
セクターナンバーレジスタ
キャッシュセグメントナンバー:キャッシュセグメントのオーダーナンバー
シリンダローレジスタ−ビット(0)
W/R:書込みキャッシュセグメント、読取りキャッシュセグメントに対して0をセットする
装置/ヘッドレジスタ−ビット(4)
DEVは選択された装置を示す
図2には本発明の実施例に相応するキャッシュ先取りが示されている。
記憶装置24は、ハードディスク26およびキャッシュメモリ25を含む。リンク27は、ホスト装置21とバッファメモリ22を接続するデータバスである。
Claims (8)
- 記憶媒体(8, 12, 25)および当該記憶媒体に対応付けされたキャッシュメモリ(13, 26)を含む装置(2, 11)であって、
前記記憶媒体(8, 12, 25)は、キャッシュメモリ(13, 26)を通じて、ファイルシステムマネージメント手段(6)と対応付けされているホスト装置(1, 15, 21)によって、読取りモードまたは書込みモードでアクセスされるように構成されている形式のものにおいて、
前記キャッシュメモリ(13, 26)は、前記ファイルシステムマネージメント手段(6)のコントロールに基づいてロードされる、
ことを特徴とする装置。 - 前記ホスト装置(1, 15, 21)と対応付けされている前記ファイルシステムマネージメント手段(6)は、読取りモードにおけるアクセスの間、キャッシュメモリ先取りをコントロールする、請求項1記載の装置。
- 読取りアクセスの間に、前記ファイルシステムマネージメント手段(6)は、前記ホスト装置(1, 15, 21)によって要求されたデータを記憶媒体(8, 12, 25)からキャッシュメモリ(13, 26)へダウンロードするために、先取り命令をキャッシュメモリ(13, 26)へ送る手段を含む、請求項2記載の装置。
- 前記先取り命令は、キャッシュメモリ(13, 26)内に先取りされる次のデータの、記憶媒体(8, 12, 25)上のアドレスを示す手段を含む、請求項2または3記載の装置。
- Serial Advanced Technology Attachment規格またはParallel Advanced Technology Attachment規格に適応しているインターフェース(4, 5, 14, 23)を含む、請求項1から4までのいずれか1項記載の装置。
- Serial Advanced Technology Attachmentインターフェースにおいて規定されたFrame Information Structureフィールドにおける先取り命令のカプセル化のためのカプセル化手段を含む、請求項1から5までのいずれか1項記載の装置。
- 書込みモードでのアクセスの間に、前記ファイルシステムマネージメント手段(6)は、書込みキャッシュ命令を前記記憶媒体(8, 12, 25)へ送る手段を含み、記憶媒体(8, 12, 25)上に記憶されるデータは最初にキャッシュメモリ(13, 26)上に記憶され、当該キャッシュメモリ(13, 26)充填が所定のレベルに達すると、キャッシュメモリ(13, 26)から記憶媒体(8, 12, 25)へ転送される、請求項2記載の装置。
- 請求項1から7までのいずれか1項記載の装置(2, 11)を含む、有利にはデジタルテレビジョンデコーダである、マルチメディア装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01460077A EP1320035A1 (en) | 2001-12-11 | 2001-12-11 | Storage device cache management |
EP01460077.9 | 2001-12-11 | ||
PCT/EP2002/013368 WO2003054706A1 (en) | 2001-12-11 | 2002-11-27 | Storage device cache memory management |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005513645A true JP2005513645A (ja) | 2005-05-12 |
JP2005513645A6 JP2005513645A6 (ja) | 2005-08-04 |
JP4827376B2 JP4827376B2 (ja) | 2011-11-30 |
Family
ID=8183373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003555353A Expired - Fee Related JP4827376B2 (ja) | 2001-12-11 | 2002-11-27 | 記憶装置キャッシュメモリマネージメント |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060265549A1 (ja) |
EP (2) | EP1320035A1 (ja) |
JP (1) | JP4827376B2 (ja) |
KR (1) | KR100982392B1 (ja) |
CN (1) | CN100383762C (ja) |
AT (1) | ATE516545T1 (ja) |
AU (1) | AU2002366859A1 (ja) |
MX (1) | MXPA04005606A (ja) |
PL (1) | PL369721A1 (ja) |
WO (1) | WO2003054706A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013020635A (ja) * | 2005-12-20 | 2013-01-31 | Silicon Image Inc | 記憶装置システムのための、プロトコル定義されたリンクにおいて補足メッセージを伝達するための隠しチャネル |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101031970B (zh) * | 2004-09-28 | 2013-03-27 | 皇家飞利浦电子股份有限公司 | 用于在记录介质上存储数据和用于传送信息的方法和装置 |
DE102006045903B4 (de) * | 2006-09-28 | 2016-06-02 | Intel Deutschland Gmbh | Prozessoranordnung mit einer Kopplungsvorrichtung zum Koppeln eines Speichers mit einem Prozessor, Datenverarbeitungsanordnung und Verfahren zum Übertragen von Daten |
US9354864B2 (en) * | 2008-05-08 | 2016-05-31 | Dialogic Corporation | Package header system and method to facilitate streaming a single firmware file upgrade |
US8499120B2 (en) * | 2008-10-17 | 2013-07-30 | Seagate Technology Llc | User selectable caching management |
US20100250830A1 (en) * | 2009-03-27 | 2010-09-30 | Ross John Stenfort | System, method, and computer program product for hardening data stored on a solid state disk |
US8671258B2 (en) | 2009-03-27 | 2014-03-11 | Lsi Corporation | Storage system logical block address de-allocation management |
US20110004718A1 (en) * | 2009-07-02 | 2011-01-06 | Ross John Stenfort | System, method, and computer program product for ordering a plurality of write commands associated with a storage device |
US9792074B2 (en) * | 2009-07-06 | 2017-10-17 | Seagate Technology Llc | System, method, and computer program product for interfacing one or more storage devices with a plurality of bridge chips |
CN102262657B (zh) * | 2011-06-29 | 2014-12-03 | 华为数字技术(成都)有限公司 | 多媒体数据存储方法及系统 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5151989A (en) * | 1987-02-13 | 1992-09-29 | International Business Machines Corporation | Directory cache management in a distributed data processing system |
EP0463874A2 (en) * | 1990-06-29 | 1992-01-02 | Digital Equipment Corporation | Cache arrangement for file system in digital data processing system |
US5193170A (en) * | 1990-10-26 | 1993-03-09 | International Business Machines Corporation | Methods and apparatus for maintaining cache integrity whenever a cpu write to rom operation is performed with rom mapped to ram |
US5893140A (en) * | 1996-08-14 | 1999-04-06 | Emc Corporation | File server having a file system cache and protocol for truly safe asynchronous writes |
US6230200B1 (en) * | 1997-09-08 | 2001-05-08 | Emc Corporation | Dynamic modeling for resource allocation in a file server |
US6141728A (en) * | 1997-09-29 | 2000-10-31 | Quantum Corporation | Embedded cache manager |
US6253289B1 (en) * | 1998-05-29 | 2001-06-26 | Compaq Computer Corporation | Maximizing sequential read streams while minimizing the impact on cache and other applications |
EP1148727A1 (en) * | 2000-04-05 | 2001-10-24 | THOMSON multimedia | Method and device for decoding a digital video stream in a digital video system using dummy header insertion |
EP1104201A1 (en) * | 1999-11-23 | 2001-05-30 | THOMSON multimedia | Method and device for managing frame buffer memory size in a digital television system |
US6384870B1 (en) * | 2000-03-31 | 2002-05-07 | Matsushita Electric Industrial, Co., Ltd. | Method for synchronizing HDTV format change with on screen display |
US6728840B1 (en) * | 2000-10-20 | 2004-04-27 | Emc Corporation | Methods and apparatus for providing host controlled caching of data in a storage system |
US6854045B2 (en) * | 2001-06-29 | 2005-02-08 | Intel Corporation | Hardware emulation of parallel ATA drives with serial ATA interface |
US7107343B2 (en) * | 2001-07-12 | 2006-09-12 | Adaptec, Inc. | Method and apparatus for improved RAID 1 write performance in low cost systems |
-
2001
- 2001-12-11 EP EP01460077A patent/EP1320035A1/en not_active Withdrawn
-
2002
- 2002-11-27 US US10/498,400 patent/US20060265549A1/en not_active Abandoned
- 2002-11-27 PL PL02369721A patent/PL369721A1/xx not_active Application Discontinuation
- 2002-11-27 WO PCT/EP2002/013368 patent/WO2003054706A1/en active Application Filing
- 2002-11-27 CN CNB028248953A patent/CN100383762C/zh not_active Expired - Fee Related
- 2002-11-27 KR KR1020047008914A patent/KR100982392B1/ko active IP Right Grant
- 2002-11-27 JP JP2003555353A patent/JP4827376B2/ja not_active Expired - Fee Related
- 2002-11-27 EP EP02790444A patent/EP1454238B1/en not_active Expired - Lifetime
- 2002-11-27 MX MXPA04005606A patent/MXPA04005606A/es active IP Right Grant
- 2002-11-27 AT AT02790444T patent/ATE516545T1/de not_active IP Right Cessation
- 2002-11-27 AU AU2002366859A patent/AU2002366859A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013020635A (ja) * | 2005-12-20 | 2013-01-31 | Silicon Image Inc | 記憶装置システムのための、プロトコル定義されたリンクにおいて補足メッセージを伝達するための隠しチャネル |
Also Published As
Publication number | Publication date |
---|---|
US20060265549A1 (en) | 2006-11-23 |
MXPA04005606A (es) | 2004-12-06 |
EP1454238B1 (en) | 2011-07-13 |
KR20040064735A (ko) | 2004-07-19 |
CN100383762C (zh) | 2008-04-23 |
AU2002366859A1 (en) | 2003-07-09 |
EP1454238A1 (en) | 2004-09-08 |
KR100982392B1 (ko) | 2010-09-14 |
PL369721A1 (en) | 2005-05-02 |
JP4827376B2 (ja) | 2011-11-30 |
ATE516545T1 (de) | 2011-07-15 |
CN1602472A (zh) | 2005-03-30 |
EP1320035A1 (en) | 2003-06-18 |
WO2003054706A1 (en) | 2003-07-03 |
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