IN2014DE00404A - - Google Patents

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Publication number
IN2014DE00404A
IN2014DE00404A IN404DE2014A IN2014DE00404A IN 2014DE00404 A IN2014DE00404 A IN 2014DE00404A IN 404DE2014 A IN404DE2014 A IN 404DE2014A IN 2014DE00404 A IN2014DE00404 A IN 2014DE00404A
Authority
IN
India
Prior art keywords
cluster
clam
nodes
partner
utility
Prior art date
Application number
Inventor
Deepti Banka
Prakash Ameya Usgaonkar
Original Assignee
Netapp 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
Application filed by Netapp Inc filed Critical Netapp Inc
Priority to IN404DE2014 priority Critical patent/IN2014DE00404A/en
Priority to US14/244,337 priority patent/US9692645B2/en
Publication of IN2014DE00404A publication Critical patent/IN2014DE00404A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H04L41/0816—Configuration setting characterised by the conditions triggering a change of settings the condition being an adaptation, e.g. in response to network events
    • 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
    • G06F3/0617—Improving the reliability of storage systems in relation to availability
    • 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
    • G06F3/065—Replication 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
    • G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
    • 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
    • G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
    • 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
    • G06F3/0688—Non-volatile semiconductor memory arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]

Abstract

A distributed control protocol dynamically establishes high availability (HA) partner relationships for nodes in a cluster. A HA partner relationship may be established by copying (mirroring) information maintained in a non-volatile random access memory (N VRAM) of a node over a HA interconnect to the NVRAM of a partner node in the cluster. The distributed control protocol leverages a Cluster Liveliness and Availability Manager (CLAM) utility of a storage operating system executing on the nodes to rebalance NVRAM mirroring and alter HA partner relationships of the nodes in the cluster. The CLAM utility is configured to maintain various cluster related issues, such as CLAM quorum events, addition or subtraction of a node in the cluster and other changes in configuration of the cluster. Notably, the CLAM utility is an event based manager that implements the control protocol to keep the nodes informed of any cluster changes through event generation and propagation.
IN404DE2014 2014-02-13 2014-02-13 IN2014DE00404A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IN404DE2014 IN2014DE00404A (en) 2014-02-13 2014-02-13
US14/244,337 US9692645B2 (en) 2014-02-13 2014-04-03 Distributed control protocol for high availability in multi-node storage cluster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN404DE2014 IN2014DE00404A (en) 2014-02-13 2014-02-13

Publications (1)

Publication Number Publication Date
IN2014DE00404A true IN2014DE00404A (en) 2015-08-14

Family

ID=53774960

Family Applications (1)

Application Number Title Priority Date Filing Date
IN404DE2014 IN2014DE00404A (en) 2014-02-13 2014-02-13

Country Status (2)

Country Link
US (1) US9692645B2 (en)
IN (1) IN2014DE00404A (en)

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WO2017183096A1 (en) * 2016-04-19 2017-10-26 株式会社日立製作所 Computer system and nonvolatile memory redundancy method
CN106302726B (en) * 2016-08-15 2019-05-28 浪潮(北京)电子信息产业有限公司 A kind of monitoring method and module of the management node of distributed type assemblies data
US10917469B2 (en) * 2017-03-22 2021-02-09 Western Digital Technologies, Inc. Read performance enhancement by enabling read from secondary in highly available cluster setup
US10560550B1 (en) 2017-04-10 2020-02-11 Juniper Networks, Inc. Automatic configuration of a replacement network device in a high-availability cluster
US10635552B1 (en) * 2017-08-02 2020-04-28 EMC IP Holding Company LLC Method for tracking validity of journal copies to allow journal mirroring
CN107483643A (en) * 2017-09-26 2017-12-15 深圳市神云科技有限公司 A kind of method of the automatic management node load based on cloud platform
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Also Published As

Publication number Publication date
US9692645B2 (en) 2017-06-27
US20150227318A1 (en) 2015-08-13

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