GB2480183A - Managing workflow communication in a distributed storage system - Google Patents

Managing workflow communication in a distributed storage system Download PDF

Info

Publication number
GB2480183A
GB2480183A GB1113900A GB201113900A GB2480183A GB 2480183 A GB2480183 A GB 2480183A GB 1113900 A GB1113900 A GB 1113900A GB 201113900 A GB201113900 A GB 201113900A GB 2480183 A GB2480183 A GB 2480183A
Authority
GB
United Kingdom
Prior art keywords
node
storage system
stripe
acknowledged
data storage
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
Application number
GB1113900A
Other versions
GB201113900D0 (en
GB2480183B (en
Inventor
Peter D Beaman
Tuyen M Tran
Robert S Newson
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.)
Iron Mountain Inc
Original Assignee
Iron Mountain Inc
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
Priority claimed from US12/391,099 external-priority patent/US8145598B2/en
Priority claimed from US12/402,469 external-priority patent/US8090683B2/en
Application filed by Iron Mountain Inc filed Critical Iron Mountain Inc
Publication of GB201113900D0 publication Critical patent/GB201113900D0/en
Publication of GB2480183A publication Critical patent/GB2480183A/en
Application granted granted Critical
Publication of GB2480183B publication Critical patent/GB2480183B/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • G06F11/1662—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit the resynchronized component or unit being a persistent storage device
    • 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
    • G06F11/2094—Redundant storage or storage space

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Computer And Data Communications (AREA)
  • Multi Processors (AREA)

Abstract

In a data storage system having a plurality of storage nodes storing replicas of stripes, one storage node serves as a primary stripe node for a stripe. Client applications using the data storage system request operations affecting metadata stored in the stripe, and the data storage system creates workflow objects to implement the requested operation. Once the operation is completed, the workflow is acknowledged. A method for establishing a new primary stripe node comprises performing, by a selected storage node, a feasibility determuiation to determine the feasibility of the selected storage node becoming the new primary stripe node. It is feasible to become a new primary stripe node when doing so does not cause workflows that have been acknowledged, or that will be acknowledged, to result in strays.
GB1113900.3A 2009-02-23 2010-02-19 Managing workflow communication in a distributed storage system Withdrawn - After Issue GB2480183B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US15474309P 2009-02-23 2009-02-23
US12/391,099 US8145598B2 (en) 2009-02-23 2009-02-23 Methods and systems for single instance storage of asset parts
US12/402,469 US8090683B2 (en) 2009-02-23 2009-03-11 Managing workflow communication in a distributed storage system
PCT/US2010/024787 WO2010096688A1 (en) 2009-02-23 2010-02-19 Managing workflow communication in a distributed storage system

Publications (3)

Publication Number Publication Date
GB201113900D0 GB201113900D0 (en) 2011-09-28
GB2480183A true GB2480183A (en) 2011-11-09
GB2480183B GB2480183B (en) 2014-04-16

Family

ID=44764401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1113900.3A Withdrawn - After Issue GB2480183B (en) 2009-02-23 2010-02-19 Managing workflow communication in a distributed storage system

Country Status (1)

Country Link
GB (1) GB2480183B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8806175B2 (en) 2009-02-23 2014-08-12 Longsand Limited Hybrid hash tables

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060106898A1 (en) * 2004-11-17 2006-05-18 Frondozo Rhea R Method, system, and program for storing and using metadata in multiple storage locations
US20060206662A1 (en) * 2005-03-14 2006-09-14 Ludwig Thomas E Topology independent storage arrays and methods
US20060248273A1 (en) * 2005-04-29 2006-11-02 Network Appliance, Inc. Data allocation within a storage system architecture
US7424637B1 (en) * 2003-03-21 2008-09-09 Networks Appliance, Inc. Technique for managing addition of disks to a volume of a storage system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7424637B1 (en) * 2003-03-21 2008-09-09 Networks Appliance, Inc. Technique for managing addition of disks to a volume of a storage system
US20060106898A1 (en) * 2004-11-17 2006-05-18 Frondozo Rhea R Method, system, and program for storing and using metadata in multiple storage locations
US20060206662A1 (en) * 2005-03-14 2006-09-14 Ludwig Thomas E Topology independent storage arrays and methods
US20060248273A1 (en) * 2005-04-29 2006-11-02 Network Appliance, Inc. Data allocation within a storage system architecture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8806175B2 (en) 2009-02-23 2014-08-12 Longsand Limited Hybrid hash tables

Also Published As

Publication number Publication date
GB201113900D0 (en) 2011-09-28
GB2480183B (en) 2014-04-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130808 AND 20130814

S29 Surrender of patent (sect. 29/pat. act 1977)

Free format text: OFFER FILED; APPLICATION FILED 24 MARCH 2017

S29 Surrender of patent (sect. 29/pat. act 1977)

Free format text: OFFER ACCEPTED