WO2004095255A3 - Disk array controller with reconfigurable data path - Google Patents

Disk array controller with reconfigurable data path Download PDF

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Publication number
WO2004095255A3
WO2004095255A3 PCT/US2004/012476 US2004012476W WO2004095255A3 WO 2004095255 A3 WO2004095255 A3 WO 2004095255A3 US 2004012476 W US2004012476 W US 2004012476W WO 2004095255 A3 WO2004095255 A3 WO 2004095255A3
Authority
WO
WIPO (PCT)
Prior art keywords
logical
physical
port
ports
controller
Prior art date
Application number
PCT/US2004/012476
Other languages
French (fr)
Other versions
WO2004095255A2 (en
Inventor
Michael C Stolowitz
Original Assignee
Netcell Corp
Michael C Stolowitz
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 Netcell Corp, Michael C Stolowitz filed Critical Netcell Corp
Priority to JP2006513232A priority Critical patent/JP2006524401A/en
Priority to CA002522915A priority patent/CA2522915A1/en
Priority to EP04760132A priority patent/EP1625489A2/en
Publication of WO2004095255A2 publication Critical patent/WO2004095255A2/en
Publication of WO2004095255A3 publication Critical patent/WO2004095255A3/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
    • 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
    • G06F3/061—Improving I/O performance
    • 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
    • G06F3/0629—Configuration or reconfiguration of storage systems
    • G06F3/0635—Configuration or reconfiguration of storage systems by changing the path, e.g. traffic rerouting, path reconfiguration
    • 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
    • G06F3/0664—Virtualisation aspects at device level, e.g. emulation of a storage device or system
    • 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

Abstract

A disk array controller apparatus (10) is disclosed having at least two logical ports (Logical Port #0-Logical Port #3) for interfacing with a host (12) and having one or more physical ports (Physical Port #0 - Physical Port #4), each physical port arranged for attaching at least one disk drive to the controller, and the controller including a switch (26), said switch providing dynamically configurable data paths (30) between the logical data ports and physical data ports, responsive to the contents of a Mapping Register (24). The Mapping Register defines a desired array disk drive array by specifying an association of each logical port to one of the physical ports. The mapping register can be organized as a logical mapping register, comprising a field for each logical port of the controller, and includes provision for designating a redundant array for RAID operations.
PCT/US2004/012476 2003-04-21 2004-04-21 Disk array controller with reconfigurable data path WO2004095255A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006513232A JP2006524401A (en) 2003-04-21 2004-04-21 Disk array controller with reconfigurable data path
CA002522915A CA2522915A1 (en) 2003-04-21 2004-04-21 Disk array controller with reconfigurable data path
EP04760132A EP1625489A2 (en) 2003-04-21 2004-04-21 Disk array controller with reconfigurable data path

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46489203P 2003-04-21 2003-04-21
US60/464,892 2003-04-21

Publications (2)

Publication Number Publication Date
WO2004095255A2 WO2004095255A2 (en) 2004-11-04
WO2004095255A3 true WO2004095255A3 (en) 2005-07-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/012476 WO2004095255A2 (en) 2003-04-21 2004-04-21 Disk array controller with reconfigurable data path

Country Status (7)

Country Link
US (1) US8281067B2 (en)
EP (1) EP1625489A2 (en)
JP (1) JP2006524401A (en)
KR (1) KR20060025135A (en)
CN (1) CN100371874C (en)
CA (1) CA2522915A1 (en)
WO (1) WO2004095255A2 (en)

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Also Published As

Publication number Publication date
JP2006524401A (en) 2006-10-26
WO2004095255A2 (en) 2004-11-04
KR20060025135A (en) 2006-03-20
EP1625489A2 (en) 2006-02-15
CA2522915A1 (en) 2004-11-04
US8281067B2 (en) 2012-10-02
US20040264309A1 (en) 2004-12-30
CN1777861A (en) 2006-05-24
CN100371874C (en) 2008-02-27

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