KR960015278A - 클러스터화된 다중처리 시스템 및 시스템내 디스크 액세스 경로의 고장 회복 방법 - Google Patents

클러스터화된 다중처리 시스템 및 시스템내 디스크 액세스 경로의 고장 회복 방법 Download PDF

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KR960015278A
KR960015278A KR1019950036939A KR19950036939A KR960015278A KR 960015278 A KR960015278 A KR 960015278A KR 1019950036939 A KR1019950036939 A KR 1019950036939A KR 19950036939 A KR19950036939 A KR 19950036939A KR 960015278 A KR960015278 A KR 960015278A
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failure
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access path
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리차드 아타나시오 클레멘트
안젤라 부트리코 마리아
라일 패터슨 제임스
알키비아디스 폴리조이스 크리스토스
에드윈 스미스 스테판
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윌리암 티. 엘리스
인터내셔널 비지네스 머신즈 코포레이션
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    • 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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2023—Failover techniques
    • G06F11/2033—Failover techniques switching over of hardware resources
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/142—Reconfiguring to eliminate the error
    • G06F11/1423—Reconfiguring to eliminate the error by reconfiguration of paths
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1479—Generic software techniques for error detection or fault masking
    • 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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2035—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 processing functionality is redundant without idle spare hardware
    • 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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2046—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 processing functionality is redundant where the redundant components share persistent storage
    • 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
    • G06F11/2089—Redundant storage control functionality
    • G06F11/2092—Techniques of failing over between control units
    • 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
    • G06F2201/815—Virtual

Abstract

클러스터화된 계산기 시스템의 디스크 액세스 경로 고정으로부터 회복하기 위한 시스템 및 방법, 상기 롤러스터화된 계산기 시스템의 각 노드에는 고 노드에서 실행되는 응용들로부터의 물리적 디스크 액세스 요청들을 처리하고 또한 상기 디스크 액세스 요청들을 그 디스크가 물리적으로 부착되어 있는 적절한 서버로 향하게 하기 위한 대리 소프트웨어가 제공된다. 각 노드상의 상기 대리 소프트웨어는 그 노도로부터 나온 모든 계류중인 요청들을 위한 상태 정보를 유지한다. 디스크 액세스 경로상의 고장 발견에 응답하여, 모든 노드들에 있는 대리 소프트웨어는 디스크 액세스에 대한 차후의 모든 요청들을 상기 디스크와 동일한 디스크에 물리적으로 부착된 제2노드로 향하게 한다.

Description

클러스터화된 다중처리 시스템 및 시스템내 디스크 액세스 경로의 고장 회복 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 바람직한 일실시예에 대한 전체적 블럭도.

Claims (7)

  1. 클러스터화된 계산기 시스템의 디스크 액세스 경로 고정으로부터 회복하는 방법(a method for recovering from failures in a disk access path of a clustered computing system)에 있어서, a)상기 클러스터화된 계산기 시스템의 각 주어진 노드마다, 상기 주어진 노드에서 실행되는 응용들로부터의 물리적 디스크 액세스 요청을 처리하고 또한 상기 디스크 액세스 요청들을 상기 디스크에 물리적으로 부착된 1차 노드(primary node)로 향하게 하며, 상기 주어진 노드마다 그 노드로부터 유래한 모든 계류중인 요청들을 위한 상태 정보를 유지하는 대리 논리(proxy logic)를 제공하는 단계와, b)디스크로의 상기 액세스 경로상의 고장을 발견하는 단계와, c)상기 고장 발견에 응답하여 상기 모든 노드들상의 상기 대리 소프트웨어(proxy software)로 하여금 상기 디스크에 대한 모든 차후의 요청들을 상기 디스크에 같이 물리적으로 부착되어 있는 제2노드로 향하도록 통지(notify)하는 단계를 포함하는 것을 특징으로 하는 디스크 액세스 경로 고장 회복 방법.
  2. 제1항에 있어서, 상기 액세스 경로는 상기 디스크가 물리적으로 부착된 디스크 어댑터 및 노드들을 포함하며 상기 고장은 상기 노드들 및 상기 어댑터들 중 임의의 곳에서 발견되는 것을 특징으로 하는 디스크 액세스 경로 고장 회복 방법.
  3. 제1항에 있어서, 상기 고장 발견에 응답하여 상기 디시크로의 인입되는 액세스 요청들을 큐에 저장하는 단계와, 상기 큐내에 상기 요청들을 상기 제2노드를 통해 상기 디스크로 재전송(reroute)하는 단계를 더 포함하는 것을 특징으로 하는 디스크 액세스 경로 고장 회복 방법.
  4. 다수인 N개의 노드와, 상기 노드들중 M개 노드에 연결된(N은 M보다 크다)다수의 포트들을 구비하는 다중 포트 디스크(multiported disk)와, 상기 노드들과 결합하여, 상기 디스크 및 그 디스크에 물리적으로 연결되지 않은 노드들 사이의 디스크 액세스 경로를 따라 고장을 발견하는 고장 발견메카니즘(failure detection mechanism)과, 상기 각 고장 발견 메카니즘과 결합하여, 고장이 발견되면 상기 다중 포트 디스크로의 액세스 요청들을 상기 디스크 및 그 디스크에 물리적으로 연결되지 않은 노드들 사이의 다른 디스크 액세스 경로로 재지정(redirect)하기 위한 대리 논리를 포함하는 것을 특징으로 하는 클러스터화된 다중 처리 시스템(clustered multi- processing system).
  5. 제4항에 있어서, 상기 각 노드마다 상기 디스크에 대해 인입되는 액세스 요청들을 저장하기 위한 큐(queue)와, 상기 큐내의 요청들을 다른 디스크 액세스 경로를 통해 상기 디스크로 재전송하기 위한 수단(means for rerouting)을 더 포함하는 것을 특징으로 하는 클러스터화된 다중 처리 시스템.
  6. 제4항에 있어서, 상기 고장 발견 메카니즘은 상기 디스크에 물리적으로 부착된 임의의 노드들내의 고장과 상기 디스크에 물리적으로 부착된 각 노드들이 상기 디스크에 연결되는 디스크 어댑터내의 고장을 발견하는 수단을 포함하는 것을 특징으로 하는 클러스터화된 다중 처리 시스템.
  7. 클러스터화된 계산기 시스템내의 디스크 액세스 경로고장으로부터 회복하는 방법에 있어서, 상기 클러스터화된 계산기 시스템에서 상기 디스크 액세스 경로상의 고장을 발견하는 단계와, 상기 고장을 발견하자마자 상기 디스크로의 액세스를 갖는 시스템내 모든 노드들에게 메세지를 방송하는 단계와, 상기 메세지에 응답하여 각 노드상의 가상 공유 디스크를 중단(suspend)하고 상기 고장난 액세스 경로를 따라 상기 디시크에 보내진 계류중인 요청들을 저장하고 가상 공유디스크가 중단되는 동안 도착하는 요청들을 저장하는 단계와, 상기 고장의 영향을 받은 가상 공유 디스크들을 재개하기 위하여 제2의 메세지를 상기 노드들에 방송하는 단계와, 상기 제2의 메세지를 받자마자, 새로운 1차 테일을 보유하는 상기 노드를 상기 가상 디바이스를 위한 목적지 맵(destination map)안에 기록함으로써 각 노드에서 상기 가상 공유 디스크들을 재개하는 단계와, 상기 새로운 1차 테일로 상기 모든 요청들을 재발생하는 단계를 포함하는 것을 특징으로 하는 디스크 액세스 경로 고장 회복 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950036939A 1994-10-31 1995-10-25 클러스터화된 다중처리 시스템 및 시스템내 디스크 액세스 경로의 고장 회복 방법 KR100232247B1 (ko)

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US33215794A 1994-10-31 1994-10-31

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EP (1) EP0709779B1 (ko)
JP (1) JP3266481B2 (ko)
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Families Citing this family (205)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5696895A (en) * 1995-05-19 1997-12-09 Compaq Computer Corporation Fault tolerant multiple network servers
JPH096706A (ja) * 1995-06-22 1997-01-10 Hitachi Ltd 疎結合計算機システム
US5941994A (en) * 1995-12-22 1999-08-24 Lsi Logic Corporation Technique for sharing hot spare drives among multiple subsystems
US5961601A (en) * 1996-06-07 1999-10-05 International Business Machines Corporation Preserving state information in a continuing conversation between a client and server networked via a stateless protocol
US5852724A (en) * 1996-06-18 1998-12-22 Veritas Software Corp. System and method for "N" primary servers to fail over to "1" secondary server
US6044367A (en) * 1996-08-02 2000-03-28 Hewlett-Packard Company Distributed I/O store
US6484208B1 (en) * 1996-10-15 2002-11-19 Compaq Information Technologies Group, L.P. Local access of a remotely mirrored disk in a computer network
US5922077A (en) * 1996-11-14 1999-07-13 Data General Corporation Fail-over switching system
US6202111B1 (en) 1997-05-13 2001-03-13 Micron Electronics, Inc. Method for the hot add of a network adapter on a system including a statically loaded adapter driver
US6418492B1 (en) 1997-05-13 2002-07-09 Micron Electronics Method for computer implemented hot-swap and hot-add
US6304929B1 (en) 1997-05-13 2001-10-16 Micron Electronics, Inc. Method for hot swapping a programmable adapter by using a programmable processor to selectively disabling and enabling power thereto upon receiving respective control signals
US6163849A (en) 1997-05-13 2000-12-19 Micron Electronics, Inc. Method of powering up or powering down a server to a maintenance state
US5892928A (en) 1997-05-13 1999-04-06 Micron Electronics, Inc. Method for the hot add of a network adapter on a system including a dynamically loaded adapter driver
US6173346B1 (en) 1997-05-13 2001-01-09 Micron Electronics, Inc. Method for hot swapping a programmable storage adapter using a programmable processor for selectively enabling or disabling power to adapter slot in response to respective request signals
US6195717B1 (en) 1997-05-13 2001-02-27 Micron Electronics, Inc. Method of expanding bus loading capacity
US6266721B1 (en) 1997-05-13 2001-07-24 Micron Electronics, Inc. System architecture for remote access and control of environmental management
US6269417B1 (en) 1997-05-13 2001-07-31 Micron Technology, Inc. Method for determining and displaying the physical slot number of an expansion bus device
US6145098A (en) 1997-05-13 2000-11-07 Micron Electronics, Inc. System for displaying system status
US6247080B1 (en) 1997-05-13 2001-06-12 Micron Electronics, Inc. Method for the hot add of devices
US6363497B1 (en) 1997-05-13 2002-03-26 Micron Technology, Inc. System for clustering software applications
US6330690B1 (en) 1997-05-13 2001-12-11 Micron Electronics, Inc. Method of resetting a server
US6179486B1 (en) 1997-05-13 2001-01-30 Micron Electronics, Inc. Method for hot add of a mass storage adapter on a system including a dynamically loaded adapter driver
US6499073B1 (en) 1997-05-13 2002-12-24 Micron Electronics, Inc. System using programmable processor for selectively enabling or disabling power to adapter in response to respective request signals
US6249828B1 (en) 1997-05-13 2001-06-19 Micron Electronics, Inc. Method for the hot swap of a mass storage adapter on a system including a statically loaded adapter driver
US6249885B1 (en) 1997-05-13 2001-06-19 Karl S. Johnson Method for managing environmental conditions of a distributed processor system
US6243838B1 (en) 1997-05-13 2001-06-05 Micron Electronics, Inc. Method for automatically reporting a system failure in a server
US6338150B1 (en) 1997-05-13 2002-01-08 Micron Technology, Inc. Diagnostic and managing distributed processor system
US6202160B1 (en) 1997-05-13 2001-03-13 Micron Electronics, Inc. System for independent powering of a computer system
US6192434B1 (en) 1997-05-13 2001-02-20 Micron Electronics, Inc System for hot swapping a programmable adapter by using a programmable processor to selectively disabling and enabling power thereto upon receiving respective control signals
US6243773B1 (en) 1997-05-13 2001-06-05 Micron Electronics, Inc. Configuration management system for hot adding and hot replacing devices
US6292905B1 (en) * 1997-05-13 2001-09-18 Micron Technology, Inc. Method for providing a fault tolerant network using distributed server processes to remap clustered network resources to other servers during server failure
US6163853A (en) * 1997-05-13 2000-12-19 Micron Electronics, Inc. Method for communicating a software-generated pulse waveform between two servers in a network
US6219734B1 (en) 1997-05-13 2001-04-17 Micron Electronics, Inc. Method for the hot add of a mass storage adapter on a system including a statically loaded adapter driver
US6170028B1 (en) 1997-05-13 2001-01-02 Micron Electronics, Inc. Method for hot swapping a programmable network adapter by using a programmable processor to selectively disabling and enabling power thereto upon receiving respective control signals
US6249834B1 (en) 1997-05-13 2001-06-19 Micron Technology, Inc. System for expanding PCI bus loading capacity
US6324608B1 (en) 1997-05-13 2001-11-27 Micron Electronics Method for hot swapping of network components
US6269412B1 (en) 1997-05-13 2001-07-31 Micron Technology, Inc. Apparatus for recording information system events
US6253334B1 (en) 1997-05-13 2001-06-26 Micron Electronics, Inc. Three bus server architecture with a legacy PCI bus and mirrored I/O PCI buses
US5907849A (en) * 1997-05-29 1999-05-25 International Business Machines Corporation Method and system for recovery in a partitioned shared nothing database system using virtual share disks
US6101508A (en) * 1997-08-01 2000-08-08 Hewlett-Packard Company Clustered file management for network resources
US6067545A (en) * 1997-08-01 2000-05-23 Hewlett-Packard Company Resource rebalancing in networked computer systems
US5991893A (en) * 1997-08-29 1999-11-23 Hewlett-Packard Company Virtually reliable shared memory
US6175490B1 (en) 1997-10-01 2001-01-16 Micron Electronics, Inc. Fault tolerant computer system
US6212585B1 (en) 1997-10-01 2001-04-03 Micron Electronics, Inc. Method of automatically configuring a server after hot add of a device
US6199173B1 (en) 1997-10-01 2001-03-06 Micron Electronics, Inc. Method for mapping environmental resources to memory for program access
US6263387B1 (en) 1997-10-01 2001-07-17 Micron Electronics, Inc. System for automatically configuring a server after hot add of a device
US6138179A (en) * 1997-10-01 2000-10-24 Micron Electronics, Inc. System for automatically partitioning and formatting a primary hard disk for installing software in which selection of extended partition size is not related to size of hard disk
US6799224B1 (en) 1998-03-10 2004-09-28 Quad Research High speed fault tolerant mass storage network information server
US6185695B1 (en) 1998-04-09 2001-02-06 Sun Microsystems, Inc. Method and apparatus for transparent server failover for highly available objects
AU3861399A (en) * 1998-04-15 1999-11-01 Hewlett-Packard Company Distributed processing over a network
US6260155B1 (en) 1998-05-01 2001-07-10 Quad Research Network information server
US5964886A (en) * 1998-05-12 1999-10-12 Sun Microsystems, Inc. Highly available cluster virtual disk system
US6161191A (en) 1998-05-12 2000-12-12 Sun Microsystems, Inc. Mechanism for reliable update of virtual disk device mappings without corrupting data
US6173413B1 (en) 1998-05-12 2001-01-09 Sun Microsystems, Inc. Mechanism for maintaining constant permissions for multiple instances of a device within a cluster
US6421787B1 (en) 1998-05-12 2002-07-16 Sun Microsystems, Inc. Highly available cluster message passing facility
CA2331467A1 (en) * 1998-05-12 1999-11-18 Gregory L. Slaughter Highly available cluster virtual disk system
US6182197B1 (en) 1998-07-10 2001-01-30 International Business Machines Corporation Real-time shared disk system for computer clusters
US6205503B1 (en) 1998-07-17 2001-03-20 Mallikarjunan Mahalingam Method for the hot swap and add of input/output platforms and devices
US6223234B1 (en) 1998-07-17 2001-04-24 Micron Electronics, Inc. Apparatus for the hot swap and add of input/output platforms and devices
US6119244A (en) 1998-08-25 2000-09-12 Network Appliance, Inc. Coordinating persistent status information with multiple file servers
US6594698B1 (en) * 1998-09-25 2003-07-15 Ncr Corporation Protocol for dynamic binding of shared resources
US6223231B1 (en) * 1998-11-12 2001-04-24 Sun Microsystems, Inc. Method and apparatus for highly-available processing of I/O requests while application processing continues
JP2000172624A (ja) * 1998-12-07 2000-06-23 Hitachi Ltd 入出力処理システム
US6530036B1 (en) * 1999-08-17 2003-03-04 Tricord Systems, Inc. Self-healing computer system storage
US6725392B1 (en) 1999-03-03 2004-04-20 Adaptec, Inc. Controller fault recovery system for a distributed file system
US6449731B1 (en) 1999-03-03 2002-09-10 Tricord Systems, Inc. Self-healing computer system storage
US6546482B1 (en) * 1999-05-07 2003-04-08 Advanced Micro Devices, Inc. Invalid configuration detection resource
WO2001014991A2 (en) * 1999-08-24 2001-03-01 Network Appliance, Inc. Scalable file server with highly available pairs
US6961749B1 (en) 1999-08-25 2005-11-01 Network Appliance, Inc. Scalable file server with highly available pairs
JP2001134546A (ja) * 1999-11-05 2001-05-18 Nec Corp マルチプロセッサシステムの障害処理方法
GB2359384B (en) * 2000-02-16 2004-06-16 Data Connection Ltd Automatic reconnection of partner software processes in a fault-tolerant computer system
US6715059B2 (en) 2000-07-26 2004-03-30 Tas Holdings, Inc. Methods and systems for a shared memory unit with extendable functions
US6782440B2 (en) 2000-07-26 2004-08-24 T.N.S. Holdings, Inc. Resource locking and thread synchronization in a multiprocessor environment
US6892298B2 (en) 2000-07-26 2005-05-10 Times N Systems, Inc. Load/store micropacket handling system
JP3992427B2 (ja) * 2000-08-01 2007-10-17 株式会社日立製作所 ファイルシステム
US7072916B1 (en) 2000-08-18 2006-07-04 Network Appliance, Inc. Instant snapshot
US6636879B1 (en) 2000-08-18 2003-10-21 Network Appliance, Inc. Space allocation in a write anywhere file system
US6728922B1 (en) 2000-08-18 2004-04-27 Network Appliance, Inc. Dynamic data space
US7296073B1 (en) 2000-09-13 2007-11-13 Network Appliance, Inc. Mechanism to survive server failures when using the CIFS protocol
US6725393B1 (en) * 2000-11-06 2004-04-20 Hewlett-Packard Development Company, L.P. System, machine, and method for maintenance of mirrored datasets through surrogate writes during storage-area network transients
US8195760B2 (en) 2001-01-11 2012-06-05 F5 Networks, Inc. File aggregation in a switched file system
US7512673B2 (en) * 2001-01-11 2009-03-31 Attune Systems, Inc. Rule based aggregation of files and transactions in a switched file system
US20040133606A1 (en) 2003-01-02 2004-07-08 Z-Force Communications, Inc. Directory aggregation for files distributed over a plurality of servers in a switched file system
US8239354B2 (en) * 2005-03-03 2012-08-07 F5 Networks, Inc. System and method for managing small-size files in an aggregated file system
US7509322B2 (en) 2001-01-11 2009-03-24 F5 Networks, Inc. Aggregated lock management for locking aggregated files in a switched file system
WO2002065249A2 (en) * 2001-02-13 2002-08-22 Candera, Inc. Storage virtualization and storage management to provide higher level storage services
DE10204457B4 (de) * 2001-03-07 2005-04-28 Conti Temic Microelectronic Mikroprozessor mit einem Taktgenerator und einer Überwachungseinheit sowie Verfahren zum Betrieb eines solchen
US6668264B1 (en) 2001-04-03 2003-12-23 Network Appliance, Inc. Resynchronization of a target volume with a source volume
US7308512B1 (en) 2001-05-16 2007-12-11 Network Appliance, Inc. Fiber channel adaptor for serial or parallel ATA disks
US6944785B2 (en) * 2001-07-23 2005-09-13 Network Appliance, Inc. High-availability cluster virtual server system
US7685126B2 (en) * 2001-08-03 2010-03-23 Isilon Systems, Inc. System and methods for providing a distributed file system utilizing metadata to track information about data stored throughout the system
US7146524B2 (en) * 2001-08-03 2006-12-05 Isilon Systems, Inc. Systems and methods for providing a distributed file system incorporating a virtual hot spare
US20030033463A1 (en) 2001-08-10 2003-02-13 Garnett Paul J. Computer system storage
US6944787B2 (en) * 2001-10-01 2005-09-13 International Business Machines Corporation System-managed duplexing of coupling facility structures
JPWO2003075161A1 (ja) * 2002-03-07 2005-06-30 富士通株式会社 ストレージ仮想化システムの変換管理装置およびストレージ仮想化システムの変換管理方法
AU2003230883A1 (en) * 2002-04-16 2003-11-03 Thomson Licensing S.A. Method, apparatus and system for supporting multiple collaborative sessions in a bi-directional communication device
US7254745B2 (en) 2002-10-03 2007-08-07 International Business Machines Corporation Diagnostic probe management in data processing systems
US7937421B2 (en) * 2002-11-14 2011-05-03 Emc Corporation Systems and methods for restriping files in a distributed file system
JP3944449B2 (ja) * 2002-12-19 2007-07-11 株式会社日立製作所 計算機システム、磁気ディスク装置、および、ディスクキャッシュ制御方法
JP2004234558A (ja) * 2003-01-31 2004-08-19 Hitachi Ltd 記憶デバイス制御装置、及びプログラム
JP2004234555A (ja) * 2003-01-31 2004-08-19 Hitachi Ltd ストレージシステムの制御方法、ストレージシステム、及びプログラム
JP4342804B2 (ja) * 2003-01-31 2009-10-14 株式会社日立製作所 ストレージシステムの制御方法、ストレージシステム、及びプログラム
US7739543B1 (en) * 2003-04-23 2010-06-15 Netapp, Inc. System and method for transport-level failover for loosely coupled iSCSI target devices
US20050144299A1 (en) * 2003-12-04 2005-06-30 Blevins Delmar E. System and method for supporting XA 2-phase commit protocols with a loosely coupled clustered database server
US7260589B2 (en) * 2003-12-04 2007-08-21 International Business Machines Corporation High performance support for XA protocols in a clustered shared database
ATE345641T1 (de) * 2004-02-12 2006-12-15 Cit Alcatel Verfahren zur behandelung von dienstanforderungen und speichersystem
US7814293B2 (en) 2004-07-19 2010-10-12 Infotrend Technology Inc. Redundant controller host-side IO rerouting
JP2006039814A (ja) * 2004-07-26 2006-02-09 Hitachi Ltd ネットワークストレージシステム及び複数ネットワークストレージ間の引継方法
US20060026788A1 (en) * 2004-08-06 2006-02-09 Fischer Richard J Upright vacuum cleaner incorporating telescopic handle and wand assembly with electrified hose
US8238350B2 (en) 2004-10-29 2012-08-07 Emc Corporation Message batching with checkpoints systems and methods
US8051425B2 (en) 2004-10-29 2011-11-01 Emc Corporation Distributed system with asynchronous execution systems and methods
US8055711B2 (en) 2004-10-29 2011-11-08 Emc Corporation Non-blocking commit protocol systems and methods
GB2419702A (en) 2004-10-29 2006-05-03 Hewlett Packard Development Co Virtual overlay infrastructures which can be suspended and later reactivated
GB2419697A (en) 2004-10-29 2006-05-03 Hewlett Packard Development Co Virtual overlay infrastructures each having an infrastructure controller
GB2419703A (en) 2004-10-29 2006-05-03 Hewlett Packard Development Co Isolated virtual overlay infrastructures each having an interface to control interaction with others
US7568121B2 (en) * 2004-11-16 2009-07-28 International Business Machines Corporation Recovery from failure in data storage systems
US7885970B2 (en) 2005-01-20 2011-02-08 F5 Networks, Inc. Scalable system for partitioning and accessing metadata over multiple servers
US7958347B1 (en) 2005-02-04 2011-06-07 F5 Networks, Inc. Methods and apparatus for implementing authentication
US7496790B2 (en) * 2005-02-25 2009-02-24 International Business Machines Corporation Method, apparatus, and computer program product for coordinating error reporting and reset utilizing an I/O adapter that supports virtualization
US20060212870A1 (en) * 2005-02-25 2006-09-21 International Business Machines Corporation Association of memory access through protection attributes that are associated to an access control level on a PCI adapter that supports virtualization
JP4387968B2 (ja) * 2005-03-28 2009-12-24 富士通株式会社 障害検出装置および障害検出方法
US7631045B2 (en) 2005-07-14 2009-12-08 Yahoo! Inc. Content router asynchronous exchange
US7849199B2 (en) 2005-07-14 2010-12-07 Yahoo ! Inc. Content router
US7623515B2 (en) 2005-07-14 2009-11-24 Yahoo! Inc. Content router notification
US7386675B2 (en) * 2005-10-21 2008-06-10 Isilon Systems, Inc. Systems and methods for using excitement values to predict future access to resources
US7346720B2 (en) * 2005-10-21 2008-03-18 Isilon Systems, Inc. Systems and methods for managing concurrent access requests to a shared resource
US7797283B2 (en) 2005-10-21 2010-09-14 Isilon Systems, Inc. Systems and methods for maintaining distributed data
US7551572B2 (en) * 2005-10-21 2009-06-23 Isilon Systems, Inc. Systems and methods for providing variable protection
US7788303B2 (en) 2005-10-21 2010-08-31 Isilon Systems, Inc. Systems and methods for distributed system scanning
US7917474B2 (en) 2005-10-21 2011-03-29 Isilon Systems, Inc. Systems and methods for accessing and updating distributed data
EP1949214B1 (en) * 2005-10-28 2012-12-19 Network Appliance, Inc. System and method for optimizing multi-pathing support in a distributed storage system environment
US8024290B2 (en) 2005-11-14 2011-09-20 Yahoo! Inc. Data synchronization and device handling
US8065680B2 (en) 2005-11-15 2011-11-22 Yahoo! Inc. Data gateway for jobs management based on a persistent job table and a server table
US9367832B2 (en) * 2006-01-04 2016-06-14 Yahoo! Inc. Synchronizing image data among applications and devices
US7848261B2 (en) 2006-02-17 2010-12-07 Isilon Systems, Inc. Systems and methods for providing a quiescing protocol
US7756898B2 (en) 2006-03-31 2010-07-13 Isilon Systems, Inc. Systems and methods for notifying listeners of events
US8417746B1 (en) 2006-04-03 2013-04-09 F5 Networks, Inc. File system management with enhanced searchability
US8539056B2 (en) 2006-08-02 2013-09-17 Emc Corporation Systems and methods for configuring multiple network interfaces
US7953704B2 (en) 2006-08-18 2011-05-31 Emc Corporation Systems and methods for a snapshot of data
US7882071B2 (en) 2006-08-18 2011-02-01 Isilon Systems, Inc. Systems and methods for a snapshot of data
US7752402B2 (en) 2006-08-18 2010-07-06 Isilon Systems, Inc. Systems and methods for allowing incremental journaling
US7822932B2 (en) 2006-08-18 2010-10-26 Isilon Systems, Inc. Systems and methods for providing nonlinear journaling
US7680842B2 (en) 2006-08-18 2010-03-16 Isilon Systems, Inc. Systems and methods for a snapshot of data
US7899800B2 (en) 2006-08-18 2011-03-01 Isilon Systems, Inc. Systems and methods for providing nonlinear journaling
US7590652B2 (en) 2006-08-18 2009-09-15 Isilon Systems, Inc. Systems and methods of reverse lookup
US7680836B2 (en) 2006-08-18 2010-03-16 Isilon Systems, Inc. Systems and methods for a snapshot of data
US7676691B2 (en) 2006-08-18 2010-03-09 Isilon Systems, Inc. Systems and methods for providing nonlinear journaling
US8286029B2 (en) 2006-12-21 2012-10-09 Emc Corporation Systems and methods for managing unavailable storage devices
US7593938B2 (en) 2006-12-22 2009-09-22 Isilon Systems, Inc. Systems and methods of directory entry encodings
US7509448B2 (en) 2007-01-05 2009-03-24 Isilon Systems, Inc. Systems and methods for managing semantic locks
GB2446177A (en) * 2007-02-03 2008-08-06 Katherine Bean Data storage system
US7900015B2 (en) 2007-04-13 2011-03-01 Isilon Systems, Inc. Systems and methods of quota accounting
US7779048B2 (en) 2007-04-13 2010-08-17 Isilon Systems, Inc. Systems and methods of providing possible value ranges
US8966080B2 (en) 2007-04-13 2015-02-24 Emc Corporation Systems and methods of managing resource utilization on a threaded computer system
WO2008147973A2 (en) 2007-05-25 2008-12-04 Attune Systems, Inc. Remote file virtualization in a switched file system
US8560691B2 (en) * 2007-06-19 2013-10-15 Microsoft Corporation Relocating item in distributed storage system
US7949692B2 (en) 2007-08-21 2011-05-24 Emc Corporation Systems and methods for portals into snapshot data
US7882068B2 (en) 2007-08-21 2011-02-01 Isilon Systems, Inc. Systems and methods for adaptive copy on write
US7966289B2 (en) 2007-08-21 2011-06-21 Emc Corporation Systems and methods for reading objects in a file system
US8548953B2 (en) 2007-11-12 2013-10-01 F5 Networks, Inc. File deduplication using storage tiers
US8352785B1 (en) * 2007-12-13 2013-01-08 F5 Networks, Inc. Methods for generating a unified virtual snapshot and systems thereof
US7949636B2 (en) 2008-03-27 2011-05-24 Emc Corporation Systems and methods for a read only mode for a portion of a storage system
US7984324B2 (en) 2008-03-27 2011-07-19 Emc Corporation Systems and methods for managing stalled storage devices
US7870345B2 (en) 2008-03-27 2011-01-11 Isilon Systems, Inc. Systems and methods for managing stalled storage devices
US7953709B2 (en) 2008-03-27 2011-05-31 Emc Corporation Systems and methods for a read only mode for a portion of a storage system
US8549582B1 (en) 2008-07-11 2013-10-01 F5 Networks, Inc. Methods for handling a multi-protocol content name and systems thereof
US8001425B2 (en) * 2009-04-08 2011-08-16 Hewlett-Packard Development Company, L.P, Preserving state information of a storage subsystem in response to communication loss to the storage subsystem
US8161142B2 (en) * 2009-10-26 2012-04-17 International Business Machines Corporation Addressing node failure during a hyperswap operation
US10721269B1 (en) 2009-11-06 2020-07-21 F5 Networks, Inc. Methods and system for returning requests with javascript for clients before passing a request to a server
US9195500B1 (en) 2010-02-09 2015-11-24 F5 Networks, Inc. Methods for seamless storage importing and devices thereof
US8204860B1 (en) 2010-02-09 2012-06-19 F5 Networks, Inc. Methods and systems for snapshot reconstitution
US8347100B1 (en) 2010-07-14 2013-01-01 F5 Networks, Inc. Methods for DNSSEC proxying and deployment amelioration and systems thereof
US9286298B1 (en) 2010-10-14 2016-03-15 F5 Networks, Inc. Methods for enhancing management of backup data sets and devices thereof
CN102455878A (zh) * 2010-10-19 2012-05-16 英业达股份有限公司 动态磁盘访问方法
US8396836B1 (en) 2011-06-30 2013-03-12 F5 Networks, Inc. System for mitigating file virtualization storage import latency
US8463850B1 (en) 2011-10-26 2013-06-11 F5 Networks, Inc. System and method of algorithmically generating a server side transaction identifier
WO2013105433A1 (ja) * 2012-01-13 2013-07-18 株式会社日立製作所 情報処理システム
US9020912B1 (en) 2012-02-20 2015-04-28 F5 Networks, Inc. Methods for accessing data in a compressed file system and devices thereof
US20130346532A1 (en) * 2012-06-21 2013-12-26 Microsoft Corporation Virtual shared storage in a cluster
US9519501B1 (en) 2012-09-30 2016-12-13 F5 Networks, Inc. Hardware assisted flow acceleration and L2 SMAC management in a heterogeneous distributed multi-tenant virtualized clustered system
US9135174B2 (en) 2012-11-27 2015-09-15 International Business Machines Corporation Coherent attached processor proxy supporting master parking
US9442852B2 (en) * 2012-11-27 2016-09-13 International Business Machines Corporation Programmable coherent proxy for attached processor
US9069674B2 (en) 2012-11-27 2015-06-30 International Business Machines Corporation Coherent proxy for attached processor
US8938587B2 (en) 2013-01-11 2015-01-20 International Business Machines Corporation Data recovery for coherent attached processor proxy
US9021211B2 (en) 2013-01-11 2015-04-28 International Business Machines Corporation Epoch-based recovery for coherent attached processor proxy
US8990513B2 (en) 2013-01-11 2015-03-24 International Business Machines Corporation Accelerated recovery for snooped addresses in a coherent attached processor proxy
US9195483B2 (en) * 2013-01-28 2015-11-24 Dell Products L.P. Systems and methods for mirroring virtual functions in a chassis configured to receive a plurality of modular information handling systems and a plurality of modular information handling resources
US10375155B1 (en) 2013-02-19 2019-08-06 F5 Networks, Inc. System and method for achieving hardware acceleration for asymmetric flow connections
US9554418B1 (en) 2013-02-28 2017-01-24 F5 Networks, Inc. Device for topology hiding of a visited network
US9641614B2 (en) 2013-05-29 2017-05-02 Microsoft Technology Licensing, Llc Distributed storage defense in a cluster
US10404520B2 (en) 2013-05-29 2019-09-03 Microsoft Technology Licensing, Llc Efficient programmatic memory access over network file access protocols
US9965363B2 (en) * 2013-12-14 2018-05-08 Netapp, Inc. Techniques for LIF placement in SAN storage cluster synchronous disaster recovery
US11838851B1 (en) 2014-07-15 2023-12-05 F5, Inc. Methods for managing L7 traffic classification and devices thereof
US10182013B1 (en) 2014-12-01 2019-01-15 F5 Networks, Inc. Methods for managing progressive image delivery and devices thereof
US11895138B1 (en) 2015-02-02 2024-02-06 F5, Inc. Methods for improving web scanner accuracy and devices thereof
US10834065B1 (en) 2015-03-31 2020-11-10 F5 Networks, Inc. Methods for SSL protected NTLM re-authentication and devices thereof
US11030045B2 (en) 2015-07-28 2021-06-08 Futurewei Technologies, Inc. Apparatus and method for utilizing different data storage types to store primary and replicated database directories
US10404698B1 (en) 2016-01-15 2019-09-03 F5 Networks, Inc. Methods for adaptive organization of web application access points in webtops and devices thereof
US10797888B1 (en) 2016-01-20 2020-10-06 F5 Networks, Inc. Methods for secured SCEP enrollment for client devices and devices thereof
US10459632B1 (en) * 2016-09-16 2019-10-29 EMC IP Holding Company LLC Method and system for automatic replication data verification and recovery
US10412198B1 (en) 2016-10-27 2019-09-10 F5 Networks, Inc. Methods for improved transmission control protocol (TCP) performance visibility and devices thereof
US10567492B1 (en) 2017-05-11 2020-02-18 F5 Networks, Inc. Methods for load balancing in a federated identity environment and devices thereof
US11223689B1 (en) 2018-01-05 2022-01-11 F5 Networks, Inc. Methods for multipath transmission control protocol (MPTCP) based session migration and devices thereof
US10833943B1 (en) 2018-03-01 2020-11-10 F5 Networks, Inc. Methods for service chaining and devices thereof
WO2020065593A1 (en) * 2018-09-27 2020-04-02 Telefonaktiebolaget Lm Ericsson (Publ) Storage resource controller in a 5g network system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3854384T2 (de) * 1987-11-30 1996-03-28 Ibm Verfahren zum Betreiben eines einen anteilig genutzten virtuellen Speicher verwendenden Multiprozessorsystems.
US5193086A (en) * 1988-08-26 1993-03-09 Hitachi, Ltd. Network system having a line switching function
JPH0394321A (ja) * 1989-06-21 1991-04-19 Hitachi Ltd アクセス制御方法
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
CA2032620C (en) * 1989-12-22 1995-08-15 Takafumi Chujo Method for searching for alternate path in communication network
US5212785A (en) * 1990-04-06 1993-05-18 Micro Technology, Inc. Apparatus and method for controlling data flow between a computer and memory devices
US5155845A (en) * 1990-06-15 1992-10-13 Storage Technology Corporation Data storage system for providing redundant copies of data on different disk drives
JP2825630B2 (ja) * 1990-09-07 1998-11-18 株式会社日立製作所 回線切替方式

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