JP2002333935A - 冗長コントローラシステムにコントローラを活線挿入する方法およびシステム - Google Patents

冗長コントローラシステムにコントローラを活線挿入する方法およびシステム

Info

Publication number
JP2002333935A
JP2002333935A JP2002072618A JP2002072618A JP2002333935A JP 2002333935 A JP2002333935 A JP 2002333935A JP 2002072618 A JP2002072618 A JP 2002072618A JP 2002072618 A JP2002072618 A JP 2002072618A JP 2002333935 A JP2002333935 A JP 2002333935A
Authority
JP
Japan
Prior art keywords
controller
memory
redundant
processor
task
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.)
Pending
Application number
JP2002072618A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002333935A5 (enExample
Inventor
Barry J Oldfield
バリー・ジェイ・オールドフィールド
Christopher W Johansson
クリストファー・ダブリュ・ジョハンソン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2002333935A publication Critical patent/JP2002333935A/ja
Publication of JP2002333935A5 publication Critical patent/JP2002333935A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/2089—Redundant storage control functionality
    • G06F11/2092—Techniques of failing over between control units
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/2097—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 maintaining the standby controller/processing unit updated
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Hardware Redundancy (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP2002072618A 2001-03-15 2002-03-15 冗長コントローラシステムにコントローラを活線挿入する方法およびシステム Pending JP2002333935A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/810102 2001-03-15
US09/810,102 US6802023B2 (en) 2001-03-15 2001-03-15 Redundant controller data storage system having hot insertion system and method

Publications (2)

Publication Number Publication Date
JP2002333935A true JP2002333935A (ja) 2002-11-22
JP2002333935A5 JP2002333935A5 (enExample) 2005-09-08

Family

ID=25203001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002072618A Pending JP2002333935A (ja) 2001-03-15 2002-03-15 冗長コントローラシステムにコントローラを活線挿入する方法およびシステム

Country Status (3)

Country Link
US (1) US6802023B2 (enExample)
JP (1) JP2002333935A (enExample)
GB (1) GB2375633B (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008097623A (ja) * 2007-11-02 2008-04-24 Hitachi Ltd 記憶装置システム、および、記憶装置システムの構成方法
US7464222B2 (en) 2004-02-16 2008-12-09 Hitachi, Ltd. Storage system with heterogenous storage, creating and copying the file systems, with the write access attribute
JPWO2007088575A1 (ja) * 2006-01-31 2009-06-25 富士通株式会社 システム監視装置の制御方法、プログラム及びコンピュータシステム
JP2011048441A (ja) * 2009-08-25 2011-03-10 Nec Corp 二重化システム、及び、二重化方法
US8321898B2 (en) 2005-05-23 2012-11-27 Sony Corporation Content display-playback system, content display-playback method, and recording medium and operation control apparatus used therewith
JP2014130418A (ja) * 2012-12-28 2014-07-10 Nec Computertechno Ltd メモリミラーリング装置、メモリミラーリング方法、及びそのプログラム
JP2014178828A (ja) * 2013-03-14 2014-09-25 Nec Corp 二重化システム
WO2025041664A1 (ja) * 2023-08-24 2025-02-27 株式会社ソニー・インタラクティブエンタテインメント 情報処理装置、その制御方法、及びプログラム

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6968463B2 (en) 2001-01-17 2005-11-22 Hewlett-Packard Development Company, L.P. System for controlling access to resources in a storage area network
US6915397B2 (en) * 2001-06-01 2005-07-05 Hewlett-Packard Development Company, L.P. System and method for generating point in time storage copy
JP3943865B2 (ja) * 2001-06-05 2007-07-11 株式会社日立製作所 コンピュータ装置および診断方法
JP4060552B2 (ja) 2001-08-06 2008-03-12 株式会社日立製作所 記憶装置システム、および、記憶装置システムの構成方法
US6874108B1 (en) * 2001-08-27 2005-03-29 Agere Systems Inc. Fault tolerant operation of reconfigurable devices utilizing an adjustable system clock
US6931487B2 (en) * 2001-10-22 2005-08-16 Hewlett-Packard Development Company L.P. High performance multi-controller processing
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
US20050033913A1 (en) * 2003-04-03 2005-02-10 Rajiv Kottomtharayil Method and system for controlling a robotic arm in a storage device
US6779093B1 (en) * 2002-02-15 2004-08-17 Veritas Operating Corporation Control facility for processing in-band control messages during data replication
US6947981B2 (en) * 2002-03-26 2005-09-20 Hewlett-Packard Development Company, L.P. Flexible data replication mechanism
US7032131B2 (en) * 2002-03-26 2006-04-18 Hewlett-Packard Development Company, L.P. System and method for ensuring merge completion in a storage area network
US7007042B2 (en) * 2002-03-28 2006-02-28 Hewlett-Packard Development Company, L.P. System and method for automatic site failover in a storage area network
GB0214669D0 (en) * 2002-06-26 2002-08-07 Ibm Method for maintaining data access during failure of a controller
US6996743B2 (en) * 2002-07-26 2006-02-07 Sun Microsystems, Inc. Method for implementing a redundant data storage system
US20040054765A1 (en) * 2002-09-12 2004-03-18 Dwyer Thomas J. Method and apparatus for accessing multiple system controllers within a computer system
US7107493B2 (en) * 2003-01-21 2006-09-12 Hewlett-Packard Development Company, L.P. System and method for testing for memory errors in a computer system
US20040257102A1 (en) * 2003-06-20 2004-12-23 Wong Hong W. Secure content protection for board connections
US7603580B2 (en) * 2003-07-15 2009-10-13 International Business Machines Corporation Redundant manager for a storage system
GB0318384D0 (en) * 2003-08-06 2003-09-10 Ibm A storage controller and a method for recording diagnostic information
JP2005122453A (ja) * 2003-10-16 2005-05-12 Hitachi Ltd ストレージ装置のディスクコントローラ制御方式およびストレージ装置
JP4313650B2 (ja) 2003-11-07 2009-08-12 株式会社日立製作所 ファイルサーバ、冗長度回復方法、プログラム及び記録媒体
US8006056B2 (en) * 2004-01-30 2011-08-23 Hewlett-Packard Development Company, L.P. Storage system including capability to move a virtual storage device group without moving data
US7496819B2 (en) * 2004-02-05 2009-02-24 Broadcom Corporation Custom logic BIST for memory controller
TWI306241B (en) * 2004-07-12 2009-02-11 Infortrend Technology Inc A controller capable of self-monitoring, a redundant storage system having the same, and its method
US7155552B1 (en) * 2004-09-27 2006-12-26 Emc Corporation Apparatus and method for highly available module insertion
ITMI20050063A1 (it) 2005-01-20 2006-07-21 Atmel Corp Metodo e sistema per la gestione di una richiesta di sospensione in una memoria flash
US8127088B2 (en) * 2005-01-27 2012-02-28 Hewlett-Packard Development Company, L.P. Intelligent cache management
US7301718B2 (en) * 2005-01-31 2007-11-27 Hewlett-Packard Development Company, L.P. Recording errors in tape drives
KR100626391B1 (ko) * 2005-04-01 2006-09-20 삼성전자주식회사 원낸드 플래시 메모리 및 그것을 포함한 데이터 처리시스템
US20060230243A1 (en) * 2005-04-06 2006-10-12 Robert Cochran Cascaded snapshots
US7779218B2 (en) * 2005-07-22 2010-08-17 Hewlett-Packard Development Company, L.P. Data synchronization management
US7206156B2 (en) * 2005-07-27 2007-04-17 Hewlett-Packard Development Company, L.P. Tape drive error management
US7325078B2 (en) * 2005-10-06 2008-01-29 Hewlett-Packard Development Company, L.P. Secure data scrubbing
US7721053B2 (en) * 2005-10-24 2010-05-18 Hewlett-Packard Development Company, L.P. Intelligent logical unit provisioning
US7467268B2 (en) 2006-04-14 2008-12-16 Hewlett-Packard Development Company, L.P. Concurrent data restore and background copy operations in storage networks
KR100770749B1 (ko) * 2006-07-11 2007-10-26 삼성전자주식회사 셀프 테스트 기능을 추가한 메모리 컨트롤러 및 이를이용한 방법
WO2008127458A2 (en) * 2006-12-06 2008-10-23 Fusion Multisystems, Inc. (Dba Fusion-Io) Apparatus, system, and method for a shared, front-end, distributed raid
US8151082B2 (en) * 2007-12-06 2012-04-03 Fusion-Io, Inc. Apparatus, system, and method for converting a storage request into an append data storage command
US8161353B2 (en) * 2007-12-06 2012-04-17 Fusion-Io, Inc. Apparatus, system, and method for validating that a correct data segment is read from a data storage device
US7934027B2 (en) * 2007-01-19 2011-04-26 Hewlett-Packard Development Company, L.P. Critical resource management
US8024514B2 (en) * 2007-03-01 2011-09-20 Hewlett-Packard Development Company, L.P. Access control management
US7861031B2 (en) * 2007-03-01 2010-12-28 Hewlett-Packard Development Company, L.P. Access control management
US7694079B2 (en) 2007-04-04 2010-04-06 Hewlett-Packard Development Company, L.P. Tagged sequential read operations
US7882479B2 (en) * 2007-06-06 2011-02-01 International Business Machines Corporation Method and apparatus for implementing redundant memory access using multiple controllers on the same bank of memory
US7725762B2 (en) * 2007-06-06 2010-05-25 International Business Machines Corporation Implementing redundant memory access using multiple controllers on the same bank of memory
US7685374B2 (en) * 2007-07-26 2010-03-23 Siliconsystems, Inc. Multi-interface and multi-bus structured solid-state storage subsystem
US7836226B2 (en) 2007-12-06 2010-11-16 Fusion-Io, Inc. Apparatus, system, and method for coordinating storage requests in a multi-processor/multi-thread environment
US9519540B2 (en) 2007-12-06 2016-12-13 Sandisk Technologies Llc Apparatus, system, and method for destaging cached data
US8289801B2 (en) 2009-09-09 2012-10-16 Fusion-Io, Inc. Apparatus, system, and method for power reduction management in a storage device
US9223514B2 (en) 2009-09-09 2015-12-29 SanDisk Technologies, Inc. Erase suspend/resume for memory
US8984216B2 (en) 2010-09-09 2015-03-17 Fusion-Io, Llc Apparatus, system, and method for managing lifetime of a storage device
US10817421B2 (en) 2010-12-13 2020-10-27 Sandisk Technologies Llc Persistent data structures
US9208071B2 (en) 2010-12-13 2015-12-08 SanDisk Technologies, Inc. Apparatus, system, and method for accessing memory
US8527693B2 (en) 2010-12-13 2013-09-03 Fusion IO, Inc. Apparatus, system, and method for auto-commit memory
US9047178B2 (en) 2010-12-13 2015-06-02 SanDisk Technologies, Inc. Auto-commit memory synchronization
US9218278B2 (en) 2010-12-13 2015-12-22 SanDisk Technologies, Inc. Auto-commit memory
US10817502B2 (en) 2010-12-13 2020-10-27 Sandisk Technologies Llc Persistent memory management
US9141527B2 (en) 2011-02-25 2015-09-22 Intelligent Intellectual Property Holdings 2 Llc Managing cache pools
US9251086B2 (en) 2012-01-24 2016-02-02 SanDisk Technologies, Inc. Apparatus, system, and method for managing a cache
US10031820B2 (en) * 2013-01-17 2018-07-24 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Mirroring high performance and high availablity applications across server computers
US10009438B2 (en) 2015-05-20 2018-06-26 Sandisk Technologies Llc Transaction log acceleration
CN107729213B (zh) * 2017-10-11 2022-04-26 杭州迪普科技股份有限公司 一种后台任务监控方法及装置
KR20250033813A (ko) * 2023-09-01 2025-03-10 삼성전자주식회사 메모리 디바이스들 및 메모리 디바이스들의 동작 모드 조절 방법

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193154A (en) 1987-07-10 1993-03-09 Hitachi, Ltd. Buffered peripheral system and method for backing up and retrieving data to and from backup memory device
US4958273A (en) 1987-08-26 1990-09-18 International Business Machines Corporation Multiprocessor system architecture with high availability
US5204952A (en) 1988-07-18 1993-04-20 Northern Telecom Limited Duplex processor arrangement for a switching system
ATE139632T1 (de) 1989-08-01 1996-07-15 Digital Equipment Corp Verfahren zur softwarefehlerbehandlung
JPH03132143A (ja) 1989-10-17 1991-06-05 Fujitsu Ltd 交換機システムにおける非常再開処理方式
US5140592A (en) 1990-03-02 1992-08-18 Sf2 Corporation Disk array system
US5212785A (en) 1990-04-06 1993-05-18 Micro Technology, Inc. Apparatus and method for controlling data flow between a computer and memory devices
US5195100A (en) 1990-03-02 1993-03-16 Micro Technology, Inc. Non-volatile memory storage of write operation identifier in data sotrage device
US5214778A (en) 1990-04-06 1993-05-25 Micro Technology, Inc. Resource management in a multiple resource system
US5155845A (en) 1990-06-15 1992-10-13 Storage Technology Corporation Data storage system for providing redundant copies of data on different disk drives
US5212784A (en) 1990-10-22 1993-05-18 Delphi Data, A Division Of Sparks Industries, Inc. Automated concurrent data backup system
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
EP0528538B1 (en) 1991-07-18 1998-12-23 Tandem Computers Incorporated Mirrored memory multi processor system
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
US5388254A (en) 1992-03-27 1995-02-07 International Business Machines Corporation Method and means for limiting duration of input/output (I/O) requests
US5418921A (en) 1992-05-05 1995-05-23 International Business Machines Corporation Method and means for fast writing data to LRU cached based DASD arrays under diverse fault tolerant modes
US5459857A (en) 1992-05-15 1995-10-17 Storage Technology Corporation Fault tolerant disk array data storage subsystem
US5379415A (en) 1992-09-29 1995-01-03 Zitel Corporation Fault tolerant memory system
US5437022A (en) 1992-12-17 1995-07-25 International Business Machines Corporation Storage controller having additional cache memory and a means for recovering from failure and reconfiguring a control unit thereof in response thereto
US5546539A (en) 1993-12-29 1996-08-13 Intel Corporation Method and system for updating files of a plurality of storage devices through propogation of files over a nework
US5682471A (en) 1994-10-06 1997-10-28 Billings; Thomas Neal System for transparently storing inputs to non-volatile storage and automatically re-entering them to reconstruct work if volatile memory is lost
US5574863A (en) 1994-10-25 1996-11-12 Hewlett-Packard Company System for using mirrored memory as a robust communication path between dual disk storage controllers
EP0717358B1 (en) 1994-12-15 2001-10-10 Hewlett-Packard Company, A Delaware Corporation Failure detection system for a mirrored memory dual controller disk storage system
EP0721162A2 (en) 1995-01-06 1996-07-10 Hewlett-Packard Company Mirrored memory dual controller disk storage system
US5553230A (en) 1995-01-18 1996-09-03 Hewlett-Packard Company Identifying controller pairs in a dual controller disk array
US5568641A (en) 1995-01-18 1996-10-22 Hewlett-Packard Company Powerfail durable flash EEPROM upgrade
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
US5856989A (en) 1996-08-13 1999-01-05 Hewlett-Packard Company Method and apparatus for parity block generation
US6092168A (en) 1996-10-25 2000-07-18 Hewlett-Packard Co. Data storage system and method for deallocating space by writing and detecting a predefined data pattern
US5991852A (en) * 1996-10-28 1999-11-23 Mti Technology Corporation Cache ram using a secondary controller and switching circuit and improved chassis arrangement
US5986880A (en) * 1997-06-16 1999-11-16 Compaq Computer Corporation Electronic apparatus having I/O board with cable-free redundant adapter cards thereon
US5960451A (en) 1997-09-16 1999-09-28 Hewlett-Packard Company System and method for reporting available capacity in a data storage system with variable consumption characteristics
US5975738A (en) * 1997-09-30 1999-11-02 Lsi Logic Corporation Method for detecting failure in redundant controllers using a private LUN
US6085333A (en) * 1997-12-19 2000-07-04 Lsi Logic Corporation Method and apparatus for synchronization of code in redundant controllers in a swappable environment
US6708283B1 (en) * 2000-04-13 2004-03-16 Stratus Technologies, Bermuda Ltd. System and method for operating a system with redundant peripheral bus controllers

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7464222B2 (en) 2004-02-16 2008-12-09 Hitachi, Ltd. Storage system with heterogenous storage, creating and copying the file systems, with the write access attribute
US8321898B2 (en) 2005-05-23 2012-11-27 Sony Corporation Content display-playback system, content display-playback method, and recording medium and operation control apparatus used therewith
JPWO2007088575A1 (ja) * 2006-01-31 2009-06-25 富士通株式会社 システム監視装置の制御方法、プログラム及びコンピュータシステム
JP4568764B2 (ja) * 2006-01-31 2010-10-27 富士通株式会社 システム監視装置の制御方法、プログラム及びコンピュータシステム
US8230258B2 (en) 2006-01-31 2012-07-24 Fujitsu Limited Control method of system monitoring device, program, and computer system
JP2008097623A (ja) * 2007-11-02 2008-04-24 Hitachi Ltd 記憶装置システム、および、記憶装置システムの構成方法
JP2011048441A (ja) * 2009-08-25 2011-03-10 Nec Corp 二重化システム、及び、二重化方法
JP2014130418A (ja) * 2012-12-28 2014-07-10 Nec Computertechno Ltd メモリミラーリング装置、メモリミラーリング方法、及びそのプログラム
JP2014178828A (ja) * 2013-03-14 2014-09-25 Nec Corp 二重化システム
US9558149B2 (en) 2013-03-14 2017-01-31 Nec Corporation Dual system
WO2025041664A1 (ja) * 2023-08-24 2025-02-27 株式会社ソニー・インタラクティブエンタテインメント 情報処理装置、その制御方法、及びプログラム

Also Published As

Publication number Publication date
GB2375633A (en) 2002-11-20
GB2375633B (en) 2005-02-02
US6802023B2 (en) 2004-10-05
US20020133743A1 (en) 2002-09-19
GB0205560D0 (en) 2002-04-24

Similar Documents

Publication Publication Date Title
US6715101B2 (en) Redundant controller data storage system having an on-line controller removal system and method
US6802023B2 (en) Redundant controller data storage system having hot insertion system and method
US6708285B2 (en) Redundant controller data storage system having system and method for handling controller resets
US7549020B2 (en) Method and apparatus for raid on memory
US6493796B1 (en) Method and apparatus for maintaining consistency of data stored in a group of mirroring devices
US7496786B2 (en) Systems and methods for maintaining lock step operation
US7681089B2 (en) Redundant storage controller system with enhanced failure analysis capability
US8498967B1 (en) Two-node high availability cluster storage solution using an intelligent initiator to avoid split brain syndrome
US20090006745A1 (en) Accessing snapshot data image of a data mirroring volume
CN113342262B (zh) 用以进行全快闪存储器阵列伺服器的碟管理的方法与设备
JP6307847B2 (ja) 情報処理装置，制御装置及び制御プログラム
CN1328664C (zh) 自我监控控制器、含该控制器的冗余储存系统及监控方法
CN111240903A (zh) 数据恢复方法及相关设备
US6938188B1 (en) Method for verifying functional integrity of computer hardware, particularly data storage devices
JP2001356968A (ja) 故障許容データ格納システムおよび故障許容データ格納システムの動作方法
JP2006133926A (ja) ストレージ装置
CN113342261A (zh) 伺服器与应用于伺服器的控制方法
CN113342593B (zh) 用以进行全快闪存储器阵列伺服器的高可用性管理的方法与设备
JP2001075741A (ja) ディスク制御システムおよびデータ保全方法
CN113868000B (zh) 一种链路故障修复方法、系统及相关组件
US20050071380A1 (en) Apparatus and method to coordinate multiple data storage and retrieval systems
US20240126638A1 (en) Dial-Home and Template Based Automatic Recovery of Virtual Machine Guest Operating System
JP2025125788A (ja) ストレージ制御装置、情報処理システム、ストレージ制御装置制御方法及びプログラム
JP2002351755A (ja) 障害発生装置およびコンピュータシステムの試験方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050315

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050315

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080204

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080208

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080327

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090123