WO2005001841A2 - Safe write to multiply-redundant storage - Google Patents
Safe write to multiply-redundant storage Download PDFInfo
- Publication number
- WO2005001841A2 WO2005001841A2 PCT/EP2004/051150 EP2004051150W WO2005001841A2 WO 2005001841 A2 WO2005001841 A2 WO 2005001841A2 EP 2004051150 W EP2004051150 W EP 2004051150W WO 2005001841 A2 WO2005001841 A2 WO 2005001841A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- write
- parity
- data
- storage
- mark
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
-
- 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
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/10—Indexing scheme relating to G06F11/10
- G06F2211/1002—Indexing scheme relating to G06F11/1076
- G06F2211/1009—Cache, i.e. caches used in RAID system with parity
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006516161A JP4848272B2 (ja) | 2003-06-28 | 2004-06-17 | 多重化冗長ストレージへの安全な書き込みを行う装置及び方法 |
EP04741822A EP1639467A2 (en) | 2003-06-28 | 2004-06-17 | Safe write to multiply-redundant storage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0315157A GB0315157D0 (en) | 2003-06-28 | 2003-06-28 | Safe write to multiply-redundant storage |
GB0315157.8 | 2003-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005001841A2 true WO2005001841A2 (en) | 2005-01-06 |
WO2005001841A3 WO2005001841A3 (en) | 2005-09-09 |
Family
ID=27676272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/051150 WO2005001841A2 (en) | 2003-06-28 | 2004-06-17 | Safe write to multiply-redundant storage |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1639467A2 (ja) |
JP (1) | JP4848272B2 (ja) |
CN (1) | CN100359478C (ja) |
GB (1) | GB0315157D0 (ja) |
TW (1) | TWI315873B (ja) |
WO (1) | WO2005001841A2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3713094A1 (en) * | 2019-03-22 | 2020-09-23 | Zebware AB | Application of the mojette transform to erasure correction for distributed storage |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0569212A1 (en) * | 1992-05-05 | 1993-11-10 | International Business Machines Corporation | Method and means for fast writing data to LRU cached based DASD arrays under diverse fault tolerant modes |
WO1994029795A1 (en) * | 1993-06-04 | 1994-12-22 | Network Appliance Corporation | A method for providing parity in a raid sub-system using a non-volatile memory |
US5574882A (en) * | 1995-03-03 | 1996-11-12 | International Business Machines Corporation | System and method for identifying inconsistent parity in an array of storage |
US5774643A (en) * | 1995-10-13 | 1998-06-30 | Digital Equipment Corporation | Enhanced raid write hole protection and recovery |
US20020161970A1 (en) * | 2001-03-06 | 2002-10-31 | Busser Richard W. | Utilizing parity caching and parity logging while closing the RAID 5 write hole |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5195100A (en) * | 1990-03-02 | 1993-03-16 | Micro Technology, Inc. | Non-volatile memory storage of write operation identifier in data sotrage device |
JP2857288B2 (ja) * | 1992-10-08 | 1999-02-17 | 富士通株式会社 | ディスクアレイ装置 |
JPH05341921A (ja) * | 1992-06-05 | 1993-12-24 | Hitachi Ltd | ディスクアレイ装置 |
JP3181398B2 (ja) * | 1992-10-06 | 2001-07-03 | 三菱電機株式会社 | アレイ型記録装置 |
US5522032A (en) * | 1994-05-05 | 1996-05-28 | International Business Machines Corporation | Raid level 5 with free blocks parity cache |
KR100267366B1 (en) * | 1997-07-15 | 2000-10-16 | Samsung Electronics Co Ltd | Method for recoding parity and restoring data of failed disks in an external storage subsystem and apparatus therefor |
JP3618529B2 (ja) * | 1997-11-04 | 2005-02-09 | 富士通株式会社 | ディスクアレイ装置 |
JP3590015B2 (ja) * | 2001-11-30 | 2004-11-17 | 株式会社東芝 | ディスクアレイ装置および冗長データをもつ論理ドライブの一貫性回復方法 |
-
2003
- 2003-06-28 GB GB0315157A patent/GB0315157D0/en not_active Ceased
-
2004
- 2004-06-04 TW TW93116234A patent/TWI315873B/zh not_active IP Right Cessation
- 2004-06-17 JP JP2006516161A patent/JP4848272B2/ja not_active Expired - Fee Related
- 2004-06-17 EP EP04741822A patent/EP1639467A2/en not_active Withdrawn
- 2004-06-17 WO PCT/EP2004/051150 patent/WO2005001841A2/en active Application Filing
- 2004-06-17 CN CNB2004800135130A patent/CN100359478C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0569212A1 (en) * | 1992-05-05 | 1993-11-10 | International Business Machines Corporation | Method and means for fast writing data to LRU cached based DASD arrays under diverse fault tolerant modes |
WO1994029795A1 (en) * | 1993-06-04 | 1994-12-22 | Network Appliance Corporation | A method for providing parity in a raid sub-system using a non-volatile memory |
US5574882A (en) * | 1995-03-03 | 1996-11-12 | International Business Machines Corporation | System and method for identifying inconsistent parity in an array of storage |
US5774643A (en) * | 1995-10-13 | 1998-06-30 | Digital Equipment Corporation | Enhanced raid write hole protection and recovery |
US20020161970A1 (en) * | 2001-03-06 | 2002-10-31 | Busser Richard W. | Utilizing parity caching and parity logging while closing the RAID 5 write hole |
Also Published As
Publication number | Publication date |
---|---|
TW200518089A (en) | 2005-06-01 |
CN1791863A (zh) | 2006-06-21 |
CN100359478C (zh) | 2008-01-02 |
GB0315157D0 (en) | 2003-08-06 |
JP4848272B2 (ja) | 2011-12-28 |
WO2005001841A3 (en) | 2005-09-09 |
EP1639467A2 (en) | 2006-03-29 |
JP2009514047A (ja) | 2009-04-02 |
TWI315873B (en) | 2009-10-11 |
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