WO2004015522A3 - Storage virtualization by layering virtual disk objects on a file system - Google Patents

Storage virtualization by layering virtual disk objects on a file system Download PDF

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Publication number
WO2004015522A3
WO2004015522A3 PCT/US2003/023661 US0323661W WO2004015522A3 WO 2004015522 A3 WO2004015522 A3 WO 2004015522A3 US 0323661 W US0323661 W US 0323661W WO 2004015522 A3 WO2004015522 A3 WO 2004015522A3
Authority
WO
WIPO (PCT)
Prior art keywords
storage
file system
vdisk
volume
disks
Prior art date
Application number
PCT/US2003/023661
Other languages
French (fr)
Other versions
WO2004015522A2 (en
Inventor
Vijayan Rajan
Mohan Srinivasan
Brian Pawlowski
David Brittain Bolen
Blake H Lewis
Original Assignee
Network Appliance 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 Network Appliance Inc filed Critical Network Appliance Inc
Priority to EP03784834A priority Critical patent/EP1543424B1/en
Priority to JP2004527666A priority patent/JP2005535962A/en
Priority to AU2003252181A priority patent/AU2003252181B2/en
Publication of WO2004015522A2 publication Critical patent/WO2004015522A2/en
Publication of WO2004015522A3 publication Critical patent/WO2004015522A3/en
Priority to HK06102704.7A priority patent/HK1082304A1/en

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Classifications

    • 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
    • G06F3/0604—Improving or facilitating administration, e.g. storage management
    • G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • 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
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/0644—Management of space entities, e.g. partitions, extents, pools
    • 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
    • G06F3/0662—Virtualisation aspects
    • G06F3/0665—Virtualisation aspects at area level, e.g. provisioning of virtual or logical volumes
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99938—Concurrency, e.g. lock management in shared database
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99953—Recoverability

Abstract

As seen in Figure 1, a storage virtualization selection technique “automates” a virtualization selection process to create virtual disk (vdisk) storage objects over a volume (150) & (160) of a file system implemented by a storage operating system (200) of a multi-protocol storage appliance (100). The file system provides a virtualization system that aggregates physical storage of a set of disks (130) or portions (e.g., extents) of disks into a pool of blocks that can be dynamically allocated to form a vdisk. The file system also provides reliability guarantees for the vdisks in accordance with its underlying architecture. That is, the file system organizes its storage within volumes created among the managed disks. The vdisk is thereafter created as a storage object within a volume and inherits the underlying reliability configuration associated with that volume.
PCT/US2003/023661 2002-08-09 2003-07-28 Storage virtualization by layering virtual disk objects on a file system WO2004015522A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP03784834A EP1543424B1 (en) 2002-08-09 2003-07-28 Storage virtualization by layering virtual disk objects on a file system
JP2004527666A JP2005535962A (en) 2002-08-09 2003-07-28 Storage virtualization by layering virtual disk objects on the file system
AU2003252181A AU2003252181B2 (en) 2002-08-09 2003-07-28 Storage virtualization by layering virtual disk objects on a file system
HK06102704.7A HK1082304A1 (en) 2002-08-09 2006-03-01 Storage virtualization by layering virtual disk objects on a file system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/216,453 2002-08-09
US10/216,453 US7107385B2 (en) 2002-08-09 2002-08-09 Storage virtualization by layering virtual disk objects on a file system

Publications (2)

Publication Number Publication Date
WO2004015522A2 WO2004015522A2 (en) 2004-02-19
WO2004015522A3 true WO2004015522A3 (en) 2004-05-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/023661 WO2004015522A2 (en) 2002-08-09 2003-07-28 Storage virtualization by layering virtual disk objects on a file system

Country Status (7)

Country Link
US (4) US7107385B2 (en)
EP (1) EP1543424B1 (en)
JP (1) JP2005535962A (en)
CN (1) CN100403277C (en)
AU (1) AU2003252181B2 (en)
HK (1) HK1082304A1 (en)
WO (1) WO2004015522A2 (en)

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