DE69534527D1 - Verfahren zur Verwendung von nicht-aneinandergrenzenden reservierten Speicherplatz zur Datenmigration in einem hierarchischen redundanten Datenspeichersystem - Google Patents
Verfahren zur Verwendung von nicht-aneinandergrenzenden reservierten Speicherplatz zur Datenmigration in einem hierarchischen redundanten DatenspeichersystemInfo
- Publication number
- DE69534527D1 DE69534527D1 DE69534527T DE69534527T DE69534527D1 DE 69534527 D1 DE69534527 D1 DE 69534527D1 DE 69534527 T DE69534527 T DE 69534527T DE 69534527 T DE69534527 T DE 69534527T DE 69534527 D1 DE69534527 D1 DE 69534527D1
- Authority
- DE
- Germany
- Prior art keywords
- raid
- storage space
- level
- areas
- parity
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual 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
- G06F11/08—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
- 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
-
- 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
- G06F3/061—Improving I/O performance
-
- 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
-
- 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
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0647—Migration mechanisms
-
- 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
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
-
- 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
- G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/386,573 US5542065A (en) | 1995-02-10 | 1995-02-10 | Methods for using non-contiguously reserved storage space for data migration in a redundant hierarchic data storage system |
US386573 | 1995-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69534527D1 true DE69534527D1 (de) | 2006-03-02 |
DE69534527T2 DE69534527T2 (de) | 2006-07-13 |
Family
ID=23526163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69534527T Expired - Fee Related DE69534527T2 (de) | 1995-02-10 | 1995-08-08 | Verfahren zur Verwendung von nicht-aneinandergrenzenden reservierten Speicherplatz zur Datenmigration in einem hierarchischen redundanten Datenspeichersystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US5542065A (de) |
EP (1) | EP0726514B1 (de) |
JP (1) | JP3778980B2 (de) |
DE (1) | DE69534527T2 (de) |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3315779B2 (ja) * | 1993-11-16 | 2002-08-19 | 富士通株式会社 | ディスク装置間のファイル転送装置およびファイル転送方法 |
JP3371044B2 (ja) * | 1994-12-28 | 2003-01-27 | 株式会社日立製作所 | ディスクアレイのための領域割り当て方法およびディスクアレイアクセス方法 |
US5666512A (en) * | 1995-02-10 | 1997-09-09 | Hewlett-Packard Company | Disk array having hot spare resources and methods for using hot spare resources to store user data |
US5604902A (en) * | 1995-02-16 | 1997-02-18 | Hewlett-Packard Company | Hole plugging garbage collection for a data storage system |
US5657468A (en) * | 1995-08-17 | 1997-08-12 | Ambex Technologies, Inc. | Method and apparatus for improving performance in a reduntant array of independent disks |
US6098128A (en) | 1995-09-18 | 2000-08-01 | Cyberstorage Systems Corporation | Universal storage management system |
US5809285A (en) * | 1995-12-21 | 1998-09-15 | Compaq Computer Corporation | Computer system having a virtual drive array controller |
US5809228A (en) * | 1995-12-27 | 1998-09-15 | Intel Corporaiton | Method and apparatus for combining multiple writes to a memory resource utilizing a write buffer |
US5758050A (en) * | 1996-03-12 | 1998-05-26 | International Business Machines Corporation | Reconfigurable data storage system |
US5790774A (en) * | 1996-05-21 | 1998-08-04 | Storage Computer Corporation | Data storage system with dedicated allocation of parity storage and parity reads and writes only on operations requiring parity information |
US5854942A (en) * | 1996-09-06 | 1998-12-29 | International Business Machines Corporation | Method and system for automatic storage subsystem configuration |
US6571314B1 (en) | 1996-09-20 | 2003-05-27 | Hitachi, Ltd. | Method for changing raid-level in disk array subsystem |
US5875457A (en) * | 1996-10-08 | 1999-02-23 | Mylex Corporation | Fault-tolerant preservation of data integrity during dynamic raid set expansion |
US6154853A (en) * | 1997-03-26 | 2000-11-28 | Emc Corporation | Method and apparatus for dynamic sparing in a RAID storage system |
US6061822A (en) * | 1997-06-23 | 2000-05-09 | Micron Electronics, Inc. | System and method for providing a fast and efficient comparison of cyclic redundancy check (CRC/checks sum) values of two mirrored disks |
US5953352A (en) | 1997-06-23 | 1999-09-14 | Micron Electronics, Inc. | Method of checking data integrity for a raid 1 system |
US6237063B1 (en) | 1997-10-06 | 2001-05-22 | Emc Corporation | Load balancing method for exchanging data in different physical disk storage devices in a disk array storage device independently of data processing system operation |
US6105103A (en) * | 1997-12-19 | 2000-08-15 | Lsi Logic Corporation | Method for mapping in dynamically addressed storage subsystems |
US6098119A (en) * | 1998-01-21 | 2000-08-01 | Mylex Corporation | Apparatus and method that automatically scans for and configures previously non-configured disk drives in accordance with a particular raid level based on the needed raid level |
US6199146B1 (en) * | 1998-03-12 | 2001-03-06 | International Business Machines Corporation | Storage management system and method for increasing capacity utilization of nonvolatile storage devices using partially filled substitute storage devices for continuing write operations |
JP3505093B2 (ja) | 1998-09-18 | 2004-03-08 | 富士通株式会社 | ファイル管理システム |
US6530035B1 (en) * | 1998-10-23 | 2003-03-04 | Oracle Corporation | Method and system for managing storage systems containing redundancy data |
US6311251B1 (en) * | 1998-11-23 | 2001-10-30 | Storage Technology Corporation | System for optimizing data storage in a RAID system |
US6363457B1 (en) | 1999-02-08 | 2002-03-26 | International Business Machines Corporation | Method and system for non-disruptive addition and deletion of logical devices |
US6611897B2 (en) | 1999-03-22 | 2003-08-26 | Hitachi, Ltd. | Method and apparatus for implementing redundancy on data stored in a disk array subsystem based on use frequency or importance of the data |
US6378038B1 (en) * | 1999-03-31 | 2002-04-23 | International Business Machines Corporation | Method and system for caching data using raid level selection |
US6854034B1 (en) * | 1999-08-27 | 2005-02-08 | Hitachi, Ltd. | Computer system and a method of assigning a storage device to a computer |
US6493796B1 (en) * | 1999-09-01 | 2002-12-10 | Emc Corporation | Method and apparatus for maintaining consistency of data stored in a group of mirroring devices |
US6611827B1 (en) | 1999-10-01 | 2003-08-26 | International Business Machines Corporation | Redundant disk array and method for redundant disk array access using contiguous page grouping |
US6857058B1 (en) | 1999-10-04 | 2005-02-15 | Intel Corporation | Apparatus to map pages of disparate sizes and associated methods |
US6970992B2 (en) * | 1999-10-04 | 2005-11-29 | Intel Corporation | Apparatus to map virtual pages to disparate-sized, non-contiguous real pages and methods relating thereto |
US6546499B1 (en) | 1999-10-14 | 2003-04-08 | International Business Machines Corporation | Redundant array of inexpensive platters (RAIP) |
US6745207B2 (en) * | 2000-06-02 | 2004-06-01 | Hewlett-Packard Development Company, L.P. | System and method for managing virtual storage |
US6530004B1 (en) | 2000-06-20 | 2003-03-04 | International Business Machines Corporation | Efficient fault-tolerant preservation of data integrity during dynamic RAID data migration |
US6820182B1 (en) * | 2000-10-18 | 2004-11-16 | International Business Machines Corporation | Support for exhaustion recovery in a data processing system with memory mirroring |
US6990667B2 (en) | 2001-01-29 | 2006-01-24 | Adaptec, Inc. | Server-independent object positioning for load balancing drives and servers |
US6862692B2 (en) * | 2001-01-29 | 2005-03-01 | Adaptec, Inc. | Dynamic redistribution of parity groups |
US6990547B2 (en) * | 2001-01-29 | 2006-01-24 | Adaptec, Inc. | Replacing file system processors by hot swapping |
US20020124137A1 (en) * | 2001-01-29 | 2002-09-05 | Ulrich Thomas R. | Enhancing disk array performance via variable parity based load balancing |
US20020156973A1 (en) * | 2001-01-29 | 2002-10-24 | Ulrich Thomas R. | Enhanced disk array |
US7054927B2 (en) | 2001-01-29 | 2006-05-30 | Adaptec, Inc. | File system metadata describing server directory information |
US20020138559A1 (en) * | 2001-01-29 | 2002-09-26 | Ulrich Thomas R. | Dynamically distributed file system |
US6785836B2 (en) * | 2001-04-11 | 2004-08-31 | Broadcom Corporation | In-place data transformation for fault-tolerant disk storage systems |
GB2375847B (en) * | 2001-05-22 | 2005-03-16 | Hewlett Packard Co | Protection and restoration of RAID configuration information in disaster recovery process |
US7055056B2 (en) * | 2001-11-21 | 2006-05-30 | Hewlett-Packard Development Company, L.P. | System and method for ensuring the availability of a storage system |
US7111117B2 (en) * | 2001-12-19 | 2006-09-19 | Broadcom Corporation | Expansion of RAID subsystems using spare space with immediate access to new space |
US7171396B2 (en) * | 2002-04-04 | 2007-01-30 | Hewlett-Packard Development Company, L.P. | Method and program product for specifying the different data access route for the first data set includes storing an indication of the different access for the first data set providing alternative data access routes to a data storage |
US6912635B2 (en) * | 2002-05-08 | 2005-06-28 | Hewlett-Packard Development Company, L.P. | Distributing workload evenly across storage media in a storage array |
US6928509B2 (en) * | 2002-08-01 | 2005-08-09 | International Business Machines Corporation | Method and apparatus for enhancing reliability and scalability of serial storage devices |
US7089395B2 (en) * | 2002-10-03 | 2006-08-08 | Hewlett-Packard Development Company, L.P. | Computer systems, virtual storage systems and virtual storage system operational methods |
US7747660B1 (en) * | 2003-03-24 | 2010-06-29 | Symantec Operating Corporation | Method and system of providing access to a virtual storage device |
US7707186B2 (en) * | 2004-06-18 | 2010-04-27 | Emc Corporation | Method and apparatus for data set migration |
US7065611B2 (en) * | 2004-06-29 | 2006-06-20 | Hitachi, Ltd. | Method for controlling storage policy according to volume activity |
US7873782B2 (en) * | 2004-11-05 | 2011-01-18 | Data Robotics, Inc. | Filesystem-aware block storage system, apparatus, and method |
AU2005304792B2 (en) * | 2004-11-05 | 2010-07-08 | Drobo, Inc. | Storage system condition indicator and method |
US7254686B2 (en) * | 2005-03-31 | 2007-08-07 | International Business Machines Corporation | Switching between mirrored and non-mirrored volumes |
US20070214314A1 (en) * | 2006-03-07 | 2007-09-13 | Reuter James M | Methods and systems for hierarchical management of distributed data |
JP2008015769A (ja) * | 2006-07-05 | 2008-01-24 | Hitachi Ltd | ストレージシステム及び書き込み分散方法 |
US7743276B2 (en) * | 2006-09-27 | 2010-06-22 | Hewlett-Packard Development Company, L.P. | Sufficient free space for redundancy recovery within a distributed data-storage system |
CN101548271B (zh) * | 2006-12-08 | 2012-12-05 | 桑德福斯公司 | 多个存储装置中的数据冗余 |
JP5080201B2 (ja) * | 2007-10-22 | 2012-11-21 | 京セラドキュメントソリューションズ株式会社 | 情報処理装置及びこれに備えられるデバイスドライバ |
US8060772B2 (en) * | 2008-01-04 | 2011-11-15 | International Business Machines Corporation | Storage redundant array of independent drives |
US8713127B2 (en) * | 2008-02-05 | 2014-04-29 | Novell, Inc. | Techniques for distributed storage aggregation |
US20110119462A1 (en) * | 2009-11-19 | 2011-05-19 | Ocz Technology Group, Inc. | Method for restoring and maintaining solid-state drive performance |
JP5552924B2 (ja) * | 2010-06-30 | 2014-07-16 | 富士通株式会社 | ストレージ制御プログラム、ストレージシステムおよびストレージ制御方法 |
US8667248B1 (en) * | 2010-08-31 | 2014-03-04 | Western Digital Technologies, Inc. | Data storage device using metadata and mapping table to identify valid user data on non-volatile media |
CN102446072B (zh) | 2010-10-07 | 2014-11-19 | 国际商业机器公司 | 用于池式存储中的raid 阵列变换的系统和方法 |
WO2012045529A1 (en) | 2010-10-07 | 2012-04-12 | International Business Machines Corporation | Raid array transformation |
US8719619B2 (en) | 2011-09-20 | 2014-05-06 | International Business Machines Corporation | Performance enhancement technique for raids under rebuild |
US8806296B1 (en) | 2012-06-27 | 2014-08-12 | Amazon Technologies, Inc. | Scheduled or gradual redundancy encoding schemes for data storage |
US8869001B1 (en) | 2012-06-27 | 2014-10-21 | Amazon Technologies, Inc. | Layered redundancy encoding schemes for data storage |
US9110797B1 (en) * | 2012-06-27 | 2015-08-18 | Amazon Technologies, Inc. | Correlated failure zones for data storage |
US8850288B1 (en) | 2012-06-27 | 2014-09-30 | Amazon Technologies, Inc. | Throughput-sensitive redundancy encoding schemes for data storage |
US20140181455A1 (en) * | 2012-12-20 | 2014-06-26 | Apple Inc. | Category based space allocation for multiple storage devices |
US20160080490A1 (en) | 2014-09-15 | 2016-03-17 | Microsoft Corporation | Online data movement without compromising data integrity |
CN104375784B (zh) * | 2014-11-17 | 2018-04-27 | 浙江宇视科技有限公司 | 一种降低虚拟磁盘管理复杂度的方法和装置 |
US9785575B2 (en) | 2014-12-30 | 2017-10-10 | International Business Machines Corporation | Optimizing thin provisioning in a data storage system through selective use of multiple grain sizes |
US10366004B2 (en) * | 2016-07-26 | 2019-07-30 | Pure Storage, Inc. | Storage system with elective garbage collection to reduce flash contention |
WO2018022136A1 (en) | 2016-07-26 | 2018-02-01 | Pure Storage, Inc. | Geometry based, space aware shelf/writegroup evacuation |
CN106484330A (zh) * | 2016-09-27 | 2017-03-08 | 郑州云海信息技术有限公司 | 一种混合磁盘分层数据优化方法和装置 |
US9864534B1 (en) * | 2016-10-27 | 2018-01-09 | International Business Machines Corporation | Validation of storage volumes that are in a peer to peer remote copy relationship |
US10168948B2 (en) * | 2017-02-20 | 2019-01-01 | International Business Machines Corporation | Replicating data in a data storage system |
US10852966B1 (en) * | 2017-10-18 | 2020-12-01 | EMC IP Holding Company, LLC | System and method for creating mapped RAID group during expansion of extent pool |
JP6734305B2 (ja) * | 2018-01-10 | 2020-08-05 | Necプラットフォームズ株式会社 | ディスクアレイコントローラ、ストレージ装置、ストレージ装置の復旧方法、及びディスクアレイコントローラの復旧プログラム |
CN111104049B (zh) * | 2018-10-26 | 2023-08-22 | 伊姆西Ip控股有限责任公司 | 管理冗余磁盘阵列的方法、设备和计算机可读存储介质 |
US11171671B2 (en) * | 2019-02-25 | 2021-11-09 | Samsung Electronics Co., Ltd. | Reducing vulnerability window in key value storage server without sacrificing usable capacity |
US11556270B2 (en) * | 2021-01-07 | 2023-01-17 | EMC IP Holding Company LLC | Leveraging garbage collection for raid transformation |
CN117041256B (zh) * | 2023-10-08 | 2024-02-02 | 深圳市连用科技有限公司 | 一种网络数据传输存储方法及系统 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5095420A (en) * | 1988-11-21 | 1992-03-10 | International Business Machines | Method and system for performing virtual address range mapping in a virtual storage data processing system |
JPH0792775B2 (ja) * | 1989-12-11 | 1995-10-09 | 株式会社日立製作所 | 外部記憶装置群のスペース管理方法 |
US5166939A (en) * | 1990-03-02 | 1992-11-24 | Micro Technology, Inc. | Data storage apparatus and method |
US5195100A (en) * | 1990-03-02 | 1993-03-16 | Micro Technology, Inc. | Non-volatile memory storage of write operation identifier in data sotrage device |
US5155835A (en) * | 1990-11-19 | 1992-10-13 | Storage Technology Corporation | Multilevel, hierarchical, dynamically mapped data storage subsystem |
US5278838A (en) * | 1991-06-18 | 1994-01-11 | Ibm Corp. | Recovery from errors in a redundant array of disk drives |
JP2550239B2 (ja) * | 1991-09-12 | 1996-11-06 | 株式会社日立製作所 | 外部記憶装置システム |
US5237658A (en) * | 1991-10-01 | 1993-08-17 | Tandem Computers Incorporated | Linear and orthogonal expansion of array storage in multiprocessor computing systems |
US5297258A (en) * | 1991-11-21 | 1994-03-22 | Ast Research, Inc. | Data logging for hard disk data storage systems |
US5287462A (en) * | 1991-12-20 | 1994-02-15 | Ncr Corporation | Bufferless SCSI to SCSI data transfer scheme for disk array applications |
US5289418A (en) * | 1992-02-14 | 1994-02-22 | Extended Systems, Inc. | Memory apparatus with built-in parity generation |
JP3183719B2 (ja) * | 1992-08-26 | 2001-07-09 | 三菱電機株式会社 | アレイ型記録装置 |
US5416915A (en) * | 1992-12-11 | 1995-05-16 | International Business Machines Corporation | Method and system for minimizing seek affinity and enhancing write sensitivity in a DASD array |
US5392244A (en) * | 1993-08-19 | 1995-02-21 | Hewlett-Packard Company | Memory systems with data storage redundancy management |
US5488701A (en) * | 1994-11-17 | 1996-01-30 | International Business Machines Corporation | In log sparing for log structured arrays |
-
1995
- 1995-02-10 US US08/386,573 patent/US5542065A/en not_active Expired - Lifetime
- 1995-08-08 DE DE69534527T patent/DE69534527T2/de not_active Expired - Fee Related
- 1995-08-08 EP EP95112454A patent/EP0726514B1/de not_active Expired - Lifetime
- 1995-12-22 JP JP33459195A patent/JP3778980B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5542065A (en) | 1996-07-30 |
EP0726514B1 (de) | 2005-10-19 |
EP0726514A2 (de) | 1996-08-14 |
JP3778980B2 (ja) | 2006-05-24 |
EP0726514A3 (de) | 2000-02-23 |
JPH08272548A (ja) | 1996-10-18 |
DE69534527T2 (de) | 2006-07-13 |
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