GB2434893A8 - Method for storing recovery data at a remote site as chucks of data covering known time periods, with synchronous data sent to a local minimal storage - Google Patents
Method for storing recovery data at a remote site as chucks of data covering known time periods, with synchronous data sent to a local minimal storageInfo
- Publication number
- GB2434893A8 GB2434893A8 GB0702668A GB0702668A GB2434893A8 GB 2434893 A8 GB2434893 A8 GB 2434893A8 GB 0702668 A GB0702668 A GB 0702668A GB 0702668 A GB0702668 A GB 0702668A GB 2434893 A8 GB2434893 A8 GB 2434893A8
- Authority
- GB
- United Kingdom
- Prior art keywords
- data
- chucks
- time periods
- remote site
- known time
- 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.)
- Granted
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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2082—Data synchronisation
-
- 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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2069—Management of state, configuration or failover
-
- 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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2058—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring using more than 2 mirrored copies
-
- 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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2071—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring using a plurality of controllers
- G06F11/2074—Asynchronous techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
- G06F16/273—Asynchronous replication or reconciliation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/855—Details of asynchronous mirroring using a journal to transfer not-yet-mirrored changes
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/955,470 US8078813B2 (en) | 2004-09-30 | 2004-09-30 | Triangular asynchronous replication |
US10/955,142 US8185708B2 (en) | 2004-09-30 | 2004-09-30 | Host implementation of triangular asynchronous replication |
US11/050,551 US20060069890A1 (en) | 2004-09-30 | 2005-02-03 | Triangular asynchronous replication with minimal synchronous storage |
GB0519952A GB2418754B (en) | 2004-09-30 | 2005-09-30 | Triangular asynchronous replication |
Publications (5)
Publication Number | Publication Date |
---|---|
GB0702668D0 GB0702668D0 (en) | 2007-03-21 |
GB2434893A GB2434893A (en) | 2007-08-08 |
GB2434893B GB2434893B (en) | 2008-01-16 |
GB2434893A8 true GB2434893A8 (en) | 2008-04-16 |
GB2434893B8 GB2434893B8 (en) | 2008-04-16 |
Family
ID=35395065
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0702668A Active GB2434893B8 (en) | 2004-09-30 | 2005-09-30 | Triangular Asynchronous Replication. |
GB0702669A Active GB2434894B8 (en) | 2004-09-30 | 2005-09-30 | Triangular asynchronous replication. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0702669A Active GB2434894B8 (en) | 2004-09-30 | 2005-09-30 | Triangular asynchronous replication. |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2006107450A (en) |
DE (1) | DE102005036291B9 (en) |
GB (2) | GB2434893B8 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4916420B2 (en) | 2007-11-16 | 2012-04-11 | 株式会社日立製作所 | Storage system and remote copy control method |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5206939A (en) | 1990-09-24 | 1993-04-27 | Emc Corporation | System and method for disk mapping and data retrieval |
US5544347A (en) * | 1990-09-24 | 1996-08-06 | Emc Corporation | Data storage system controlled remote data mirroring with respectively maintained data indices |
US5381539A (en) | 1992-06-04 | 1995-01-10 | Emc Corporation | System and method for dynamically controlling cache management |
US5845147A (en) | 1996-03-19 | 1998-12-01 | Emc Corporation | Single lock command for an I/O storage system that performs both locking and I/O data operation |
US5857208A (en) | 1996-05-31 | 1999-01-05 | Emc Corporation | Method and apparatus for performing point in time backup operation in a computer system |
US5778394A (en) | 1996-12-23 | 1998-07-07 | Emc Corporation | Space reclamation system and method for use in connection with tape logging system |
JP3410010B2 (en) * | 1997-12-24 | 2003-05-26 | 株式会社日立製作所 | Subsystem migration method and information processing system |
JP3490266B2 (en) * | 1997-09-26 | 2004-01-26 | 株式会社日立製作所 | Backup system and backup method using disk system and magnetic tape library device |
US6145045A (en) * | 1998-01-07 | 2000-11-07 | National Semiconductor Corporation | System for sending and receiving data on a Universal Serial Bus (USB) using a memory shared among a number of end points |
US6366986B1 (en) | 1998-06-30 | 2002-04-02 | Emc Corporation | Method and apparatus for differential backup in a computer storage system |
JP4689137B2 (en) * | 2001-08-08 | 2011-05-25 | 株式会社日立製作所 | Remote copy control method and storage system |
US6209002B1 (en) * | 1999-02-17 | 2001-03-27 | Emc Corporation | Method and apparatus for cascading data through redundant data storage units |
US6446175B1 (en) * | 1999-07-28 | 2002-09-03 | Storage Technology Corporation | Storing and retrieving data on tape backup system located at remote storage system site |
EP1158409B1 (en) * | 2000-05-25 | 2008-05-28 | Hitachi, Ltd. | Storage system making possible data synchronisation confirmation at time of asynchronous remote copy |
WO2002017055A1 (en) * | 2000-08-18 | 2002-02-28 | Fujitsu Limited | Disk control device, disk control method, remote disk control device, and remote disk control method |
US6662281B2 (en) * | 2001-01-31 | 2003-12-09 | Hewlett-Packard Development Company, L.P. | Redundant backup device |
FR2820849B1 (en) * | 2001-02-15 | 2003-05-16 | Cit Alcatel | COMPUTER DATA STORAGE METHOD AND CORRESPONDING STORAGE DEVICE |
US6594742B1 (en) | 2001-05-07 | 2003-07-15 | Emc Corporation | Cache management via statistically adjusted slot aging |
US7249193B1 (en) * | 2001-08-28 | 2007-07-24 | Emc Corporation | SRDF assist |
EP1438808A4 (en) * | 2001-09-28 | 2007-05-23 | Emc Corp | Packet classification in a storage system |
JP3983516B2 (en) * | 2001-10-25 | 2007-09-26 | 株式会社日立製作所 | Storage system |
JP3730907B2 (en) * | 2001-12-04 | 2006-01-05 | 日本電気株式会社 | Remote data copy method between disk array devices |
US6948089B2 (en) * | 2002-01-10 | 2005-09-20 | Hitachi, Ltd. | Apparatus and method for multiple generation remote backup and fast restore |
JP2005062928A (en) * | 2003-08-11 | 2005-03-10 | Hitachi Ltd | Remote copy system using two or more sites |
US8200921B2 (en) * | 2004-03-12 | 2012-06-12 | Hewlett-Packard Development Company, L.P. | Data synchronization for two data mirrors with sidefiles |
CN106104908B (en) | 2014-03-26 | 2018-12-21 | 本田技研工业株式会社 | Electric vehicle |
US9654225B2 (en) | 2015-09-18 | 2017-05-16 | Elenion Technologies, Llc | Optical link architecture based on wireline equalization techniques |
US10224918B2 (en) | 2016-12-07 | 2019-03-05 | Infineon Technologies Americas Corp. | Active gate bias driver |
-
2005
- 2005-06-29 JP JP2005189105A patent/JP2006107450A/en active Pending
- 2005-08-02 DE DE102005036291.5A patent/DE102005036291B9/en active Active
- 2005-09-30 GB GB0702668A patent/GB2434893B8/en active Active
- 2005-09-30 GB GB0702669A patent/GB2434894B8/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB2434893A (en) | 2007-08-08 |
GB2434894A (en) | 2007-08-08 |
GB2434893B (en) | 2008-01-16 |
GB2434894B (en) | 2008-02-13 |
DE102005036291B9 (en) | 2019-08-29 |
DE102005036291B4 (en) | 2019-03-07 |
JP2006107450A (en) | 2006-04-20 |
DE102005036291A1 (en) | 2006-04-13 |
GB0702669D0 (en) | 2007-03-21 |
GB2434894B8 (en) | 2008-04-16 |
GB2434894A8 (en) | 2008-04-16 |
GB2434893B8 (en) | 2008-04-16 |
GB0702668D0 (en) | 2007-03-21 |
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