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KR20100036528A - Raid system in storage - Google Patents

Raid system in storage Download PDF

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Publication number
KR20100036528A
KR20100036528A KR1020080095790A KR20080095790A KR20100036528A KR 20100036528 A KR20100036528 A KR 20100036528A KR 1020080095790 A KR1020080095790 A KR 1020080095790A KR 20080095790 A KR20080095790 A KR 20080095790A KR 20100036528 A KR20100036528 A KR 20100036528A
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KR
South Korea
Prior art keywords
disk
pci
memory
unit
interface
Prior art date
Application number
KR1020080095790A
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Korean (ko)
Inventor
조병철
Original Assignee
주식회사 태진인포텍
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.)
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Priority to KR1020080095790A priority Critical patent/KR20100036528A/en
Publication of KR20100036528A publication Critical patent/KR20100036528A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • 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
    • G06F3/0689—Disk arrays, e.g. RAID, JBOD
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0024—Peripheral component interconnect [PCI]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0026—PCI express

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Debugging And Monitoring (AREA)

Abstract

The present invention relates to a storage system for stably operating each storage disk by recognizing a plurality of independent storage disks as one storage medium, comprising: a memory disk having a plurality of volatile memories; A disk detachment unit including a plurality of connectors to which the memory disk is detachable; When a memory disk is mounted on the disk detachable part, the mounted memory disk is recognized, the identification information is assigned to each recognized memory disk, the assigned identification information is arranged to form a memory disk array, and the configured memory disk array is used. A disk controller for controlling a memory disk mounted on the disk detachable part; A disk detecting unit which detects whether a disk is attached or detached to each disk connector of the disk attaching or detaching unit and notifies the disk controller of the detection result; And a power supply unit for supplying operating power to the disk detachable unit, the disk control unit, and the disk sensing unit. By transmitting data for data storage / reading, there is an effect of increasing data processing speed during data storage / reading.

Figure P1020080095790

Description

RAID System in Storage

The present invention relates to a storage RAID system, and more particularly, to a storage RAID system for stably operating each storage disk by recognizing a plurality of independent storage disks as one storage medium.

In general, the storage includes a plurality of independent storage disks (for example, hard disks) to increase the storage space, and a RAID system is mounted to stably operate the storage disks.

The RAID system can mount a plurality of storage disks, and realizes a large storage space by allowing the mounted storage disks to be recognized by the host as a storage medium. In addition, the stored storage disks are put together to distribute and receive data transmitted from the host to each storage disk, and to allow the host to access each storage disk. Here, the host refers to a main CPU provided in the mass storage, or a host computer using the mass storage as its own storage device.

The RAID system includes a disk connector on which a plurality of storage disks are mounted, and a controller for controlling data input / output of each storage disk by controlling an interface of the storage disk mounted on the disk connector. At this time, the data processing speed of each mounted storage disk depends on the data processing speed of the controller.

However, the controller included in the conventional RAID system is implemented to control only the Small Computer System Interface (SCSI), Serial-Advanced Technology Attachment (S-ATA), and the SAS interface, so that data storage / reading of mass storage can be performed. There is a problem in that the data processing speed is limited to the data processing speed supported by the SCSI, S-ATA, and SAS interfaces.

In addition, when a disk connector has a storage disk having an interface with faster data storage / reading performance than SCSI, S-ATA, and SAS interfaces, the controller's performance is reduced to that of the interface provided on the storage disk. There is a problem in that it can not follow the data processing performance of the mass storage.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and uses a plurality of memory disks equipped with a plurality of volatile memories that process data in an electrical manner as a data storage medium, and between each memory disk and the host. Its purpose is to provide a mass storage system based on a RAID system that can transfer data for data storage / reading over a high-speed data communication bus formed by a -e or PCI-x type interface.

A mass storage system based on a RAID system according to an exemplary embodiment of the present invention for achieving the above object includes a memory disk having a plurality of volatile memories; A disk detachment unit including a plurality of connectors to which the memory disk is detachable; When a memory disk is mounted on the disk detachable part, the mounted memory disk is recognized, the identification information is assigned to each recognized memory disk, the assigned identification information is arranged to form a memory disk array, and the configured memory disk array is used. A disk controller for controlling a memory disk mounted on the disk detachable part; A disk detecting unit which detects whether a disk is attached or detached to each disk connector of the disk attaching or detaching unit and notifies the disk controller of the detection result; It is preferable to include a power supply unit for supplying the operating power to the disk detachment unit, the disk control unit and the disk detection unit.

Here, the memory disk is provided with a PCI-e or PCI-x type interface, it is preferable to interface the plurality of volatile memory and the disk detachable portion through the provided PCI-e or PCI-x type interface. .

The disk detachable unit may include a PCI-e or PCI-x type interface, and interface the memory disk and the disk control unit through the provided PCI-e or PCI-x type interface.

The disk controller may include a PCI-e or PCI-x type interface, and interface the disk detachable part with a host through the provided PCI-e or PCI-x type interface.

The disk control unit may further include: a reset module configured to initialize a memory disk mounted in the disk detachable unit; A driver mounting module equipped with a disk recognition SCSI emulation driver; A disk recognition module for driving a disk recognition SCSI emulation driver mounted in the driver mounting module to recognize a memory disk initialized by the reset module; An array configuration module for providing identification information for each memory disk recognized through the disk recognition module and arranging the identification information to form a memory disk array; Preferably, the memory disk array is configured to include a RAID control module configured to control a memory disk mounted on the disk detachable part using a memory disk array configured through the array configuration module.

On the other hand, it is preferable to further comprise a bus expansion unit for extending the bus connecting the disk control unit and the disk detachable portion.

Here, the bus expansion unit, the bus expansion unit, the interface of the PCI-e or PCI-x type, interface with the disk control unit and the disk removable via the provided PCI-e or PCI-x type interface, And forming a first bus of a PCI-e or PCI-x type that connects the disk controller to each other, and extending the first bus of the PCI-e or PCI-x type to form a connection with the disk detachable part. It is preferable to form a second bus of the PCI-e or PCI-x type to connect.

According to the storage RAID system according to the present invention, a plurality of memory disks equipped with a plurality of volatile memory processing data in an electrical manner is used as a data storage medium, PCI-e or PCI- between each memory disk and the host By enabling data to be transmitted / stored for data through a high-speed data communication bus formed by an x type interface, data processing speed can be improved during data storage / reading.

Hereinafter, a RAID system based mass storage device according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram schematically illustrating a configuration of a storage system of storage according to an exemplary embodiment of the present invention.

Referring to FIG. 1, a storage system according to the present invention may include a memory disk 100 having a plurality of volatile memories and a disk detachment part 200 having a plurality of connectors to which the memory disk 100 is attached and detached. And, when the memory disk 100 is mounted on the disk detachable unit 200, recognizes the mounted memory disk 100, assigns identification information to each of the recognized memory disk 100, and arranges the assigned identification information A disk controller 300 for controlling a memory disk 100 mounted on the disk detacher 200 using the configured memory disk array, and each disk of the disk detacher 200. A disk detecting unit 400 for detecting whether a memory disk is attached to or detached from a connector and notifying the disk controller 300 of the detection result, the disk detaching unit 200, and the disk controller 30. 0) and the power supply unit for supplying operating power to the disk detection unit 400.

The memory disk 100 has an interface of Peripheral Component Interconnect-Express (PCI-e) or Peripheral Component Interconnect-Extended (PCI-x) type, and is provided through the provided PCI-e or PCI-x type interface. A plurality of volatile memories and the disk detachment unit 200 are interfaced.

The disk detachment unit 200 has an interface of a PCI-e or PCI-x type and connects the memory disk 100 and the disk control unit 300 through the provided PCI-e or PCI-x type interface. Interface.

The disk control unit 300 has a PCI-e or PCI-x type interface, and interfaces the disk detachment unit 200 and the host 500 through the provided PCI-e or PCI-x type interface. . Here, the host 500 refers to a main CPU provided in the mass storage, or a host computer using the mass storage as its own storage device.

2 is a diagram schematically illustrating a configuration of a disk controller included in a storage system of a storage device according to the present invention.

Referring to FIG. 2, the disk controller 300 according to the present invention includes a reset module 310 for initializing the memory disk 100 mounted in the disk detacher 200; A driver mounting module 320 equipped with a disk recognition SCSI (Small Computer System Interface) emulation driver and a disk recognition SCSI emulation driver mounted on the driver mounting module 320 are driven to the reset module 310. The disk recognition module 330 for recognizing the memory disk 100 initialized by the identification information, and the identification information is assigned to each of the memory disk 100 recognized by the disk recognition module 330, and the assigned identification information is arranged and stored in the memory. Although the array configuration module 340 constituting the disk array and the memory disk array configured through the array configuration module 340 are used to control the memory disk 100 mounted in the disk detachment unit 200, the RAID level It is preferable that the raid control module 350 to control based on.

The disk detection unit 400 is the disk detachment unit 200 by an electrical signal generated when the memory disk 100 is attached to or detached from any one of the connectors provided in the disk detachment unit 200. It is preferable to detect whether the memory disk 100 is attached or detached.

Meanwhile, although not shown in the drawing, the RAID system-based mass storage according to the present invention may further include a bus expansion unit extending a bus connecting the disk control unit 300 and the disk detachment unit 200. .

The bus expansion unit has an interface of a PCI-e or PCI-x type, and interfaces the disk control unit 300 and the disk detachment unit 200 through the provided PCI-e or PCI-x type interface. However, the first and second buses of the PCI-e or PCI-x type to form a connection between the disk control unit 300 and the PCI-e or PCI-x type of the first bus to extend the disk detachable part ( It is preferable to form a second bus of the PCI-e or PCI-x type to be connected to the 200). The bus extension may be, for example, a switch type PCI-e or PCI-x type riser card.

As described above, as the second bus of the PCI-e or PCI-x type is extended by the bus expansion unit, the disk detachment unit 200 connected to the second bus of the PCI-e or PCI-x type may be provided. Since the plurality of memory disks 100 may be mounted without physical limitations, the storage capacity of the storage may be increased.

The storage system of the present invention is not limited to the above-described embodiments, and may be variously modified and implemented within the range permitted by the technical idea of the present invention.

According to the storage RAID system according to the present invention, a plurality of memory disks equipped with a plurality of volatile memory processing data in an electrical manner is used as a data storage medium, PCI-e or PCI- between each memory disk and the host By enabling data to be transmitted / stored for data through a high-speed data communication bus formed by an x-type interface, data processing speed may be increased during data storage / reading.

1 is a view schematically showing the configuration of a RAID system of storage according to an embodiment of the present invention.

FIG. 2 is a diagram schematically showing the configuration of the disc controller in FIG. 1; FIG.

*** Explanation of symbols for the main parts of the drawing ***

100: memory disk 200: disk removable portion

300: disk control unit 310: reset module

320: driver mounting module 330: disk recognition module

340: array configuration module 350: raid control module

400: disk detection unit 500: host

Claims (7)

A memory disk on which a plurality of volatile memories are mounted; A disk detachment unit including a plurality of connectors to which the memory disk is detachable; When a memory disk is mounted on the disk detachable part, the mounted memory disk is recognized, the identification information is assigned to each recognized memory disk, the assigned identification information is arranged to form a memory disk array, and the configured memory disk array is used. A disk controller for controlling a memory disk mounted on the disk detachable part; A disk detecting unit which detects whether a disk is attached or detached to each disk connector of the disk attaching or detaching unit and notifies the disk controller of the detection result; And a power supply unit for supplying operation power to the disk detachment unit, the disk control unit, and the disk detection unit. The method of claim 1, The memory disk, And a plurality of volatile memory and the disk through an interface of a PCI-e (Peripheral Component Interconnect-express) or a PCI-x (Peripheral Component Interconnect-Extended) type interface. The RAID system of the storage, characterized in that the interface detachable. The method of claim 1, The disk detachable portion, And a PCI-e or PCI-x type interface, wherein the memory disk and the disk controller are interfaced through the provided PCI-e or PCI-x type interface. The method of claim 1, The disk control unit, And a PCI-e or PCI-x type interface, wherein the disk detachment unit and the host are interfaced through the provided PCI-e or PCI-x type interface. The method of claim 1, The disk control unit, A reset module for initializing the memory disk mounted in the disk detachable part; A driver mounting module including a small computer system interface (SCSI) emulation driver for disk recognition; A disk recognition module for driving a disk recognition SCSI emulation driver mounted in the driver mounting module to recognize a memory disk initialized by the reset module; An array configuration module for providing identification information for each memory disk recognized through the disk recognition module and arranging the identification information to form a memory disk array; And a RAID control module configured to control a memory disk mounted on the disk detachable part using a memory disk array configured through the array configuration module, and to control the memory disk mounted on the disk detachable part. The method of claim 1, And a bus expansion unit extending a bus connecting the disk control unit and the disk detachable unit. The method of claim 6, The bus expansion unit, PCI-e or PCI-x type of interface, and the PCI-e or PCI-x type of interface through the disk control unit and the disk detachable interface, PCI- for connecting between the disk control unit a PCI-e or PCI-x type first bus forming an e or PCI-x type first bus and extending the formed first bus of the PCI-e or PCI-x type to connect with the disk detachable part; A RAID system for storage, characterized by forming two buses.
KR1020080095790A 2008-09-30 2008-09-30 Raid system in storage KR20100036528A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012018216A2 (en) * 2010-08-02 2012-02-09 Taejin Info Tech Co., Ltd. Hybrid raid controller
WO2012018217A2 (en) * 2010-08-02 2012-02-09 Taejin Info Tech Co., Ltd. Raid controller having multi pci bus switching
WO2012060575A2 (en) * 2010-11-01 2012-05-10 Taejin Info Tech Co., Ltd. Home storage system
WO2012060577A2 (en) * 2010-11-01 2012-05-10 Taejin Info Tech Co., Ltd. Home storage device and software
WO2012105811A2 (en) * 2011-02-01 2012-08-09 Taejin Info Tech Co., Ltd. Raid-based storage control board
WO2012105812A2 (en) * 2011-02-01 2012-08-09 Taejin Info Tech Co., Ltd. Raid-based storage control board having fibre channel interface controller
WO2012169824A2 (en) * 2011-06-08 2012-12-13 Taejin Info Tech Co., Ltd. Raid controller with programmable interface for a semiconductor storage device
WO2012169825A2 (en) * 2011-06-08 2012-12-13 Taejin Info Tech Co., Ltd. Two-way raid controller for a semiconductor storage device
WO2012177056A2 (en) * 2011-06-21 2012-12-27 Taejin Info Tech Co., Ltd. Two-way raid controller with programmable host interface for a semiconductor storage device
WO2013005995A2 (en) * 2011-07-06 2013-01-10 Taejin Info Tech Co., Ltd. Redundant array of independent disk (raid) controlled semiconductor storage device (ssd)-based system having a high-speed non-volatile host interface
WO2013027997A2 (en) * 2011-08-22 2013-02-28 Taejin Info Tech Co., Ltd. Network-capable raid controller for a semiconductor storage device
US8589626B2 (en) 2010-09-19 2013-11-19 Taejin Info Tech Co., Ltd. Hybrid RAID controller having multi PCI bus switching

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8510519B2 (en) 2010-08-02 2013-08-13 Taejin Info Tech Co., Ltd. Hybrid raid controller
WO2012018217A2 (en) * 2010-08-02 2012-02-09 Taejin Info Tech Co., Ltd. Raid controller having multi pci bus switching
WO2012018216A3 (en) * 2010-08-02 2012-04-26 Taejin Info Tech Co., Ltd. Hybrid raid controller
WO2012018217A3 (en) * 2010-08-02 2012-05-03 Taejin Info Tech Co., Ltd. Raid controller having multi pci bus switching
US8510520B2 (en) 2010-08-02 2013-08-13 Taejin Info Tech Co., Ltd. Raid controller having multi PCI bus switching
WO2012018216A2 (en) * 2010-08-02 2012-02-09 Taejin Info Tech Co., Ltd. Hybrid raid controller
US8589626B2 (en) 2010-09-19 2013-11-19 Taejin Info Tech Co., Ltd. Hybrid RAID controller having multi PCI bus switching
WO2012060577A3 (en) * 2010-11-01 2012-07-26 Taejin Info Tech Co., Ltd. Home storage device and software
WO2012060575A3 (en) * 2010-11-01 2012-06-28 Taejin Info Tech Co., Ltd. Home storage system
US8990494B2 (en) 2010-11-01 2015-03-24 Taejin Info Tech Co., Ltd. Home storage system and method with various controllers
KR101147186B1 (en) * 2010-11-01 2012-05-25 주식회사 태진인포텍 Home storage device and software
WO2012060577A2 (en) * 2010-11-01 2012-05-10 Taejin Info Tech Co., Ltd. Home storage device and software
WO2012060575A2 (en) * 2010-11-01 2012-05-10 Taejin Info Tech Co., Ltd. Home storage system
WO2012105811A2 (en) * 2011-02-01 2012-08-09 Taejin Info Tech Co., Ltd. Raid-based storage control board
WO2012105812A2 (en) * 2011-02-01 2012-08-09 Taejin Info Tech Co., Ltd. Raid-based storage control board having fibre channel interface controller
WO2012105811A3 (en) * 2011-02-01 2012-10-04 Taejin Info Tech Co., Ltd. Raid-based storage control board
WO2012105812A3 (en) * 2011-02-01 2012-10-04 Taejin Info Tech Co., Ltd. Raid-based storage control board having fibre channel interface controller
WO2012169825A2 (en) * 2011-06-08 2012-12-13 Taejin Info Tech Co., Ltd. Two-way raid controller for a semiconductor storage device
WO2012169825A3 (en) * 2011-06-08 2013-03-07 Taejin Info Tech Co., Ltd. Two-way raid controller for a semiconductor storage device
WO2012169824A3 (en) * 2011-06-08 2013-03-07 Taejin Info Tech Co., Ltd. Raid controller with programmable interface for a semiconductor storage device
WO2012169824A2 (en) * 2011-06-08 2012-12-13 Taejin Info Tech Co., Ltd. Raid controller with programmable interface for a semiconductor storage device
WO2012177056A3 (en) * 2011-06-21 2013-04-04 Taejin Info Tech Co., Ltd. Two-way raid controller with programmable host interface for a semiconductor storage device
WO2012177056A2 (en) * 2011-06-21 2012-12-27 Taejin Info Tech Co., Ltd. Two-way raid controller with programmable host interface for a semiconductor storage device
US8819316B2 (en) 2011-06-21 2014-08-26 Taejin Info Tech Co., Ltd. Two-way raid controller with programmable host interface for a semiconductor storage device
WO2013005995A3 (en) * 2011-07-06 2013-03-14 Taejin Info Tech Co., Ltd. Redundant array of independent disk (raid) controlled semiconductor storage device (ssd)-based system having a high-speed non-volatile host interface
WO2013005995A2 (en) * 2011-07-06 2013-01-10 Taejin Info Tech Co., Ltd. Redundant array of independent disk (raid) controlled semiconductor storage device (ssd)-based system having a high-speed non-volatile host interface
US9207879B2 (en) 2011-07-06 2015-12-08 Taejin Info Tech Co., Ltd. Redundant array of independent disk (RAID) controlled semiconductor storage device (SSD)-based system having a high-speed non-volatile host interface
WO2013027997A3 (en) * 2011-08-22 2013-04-25 Taejin Info Tech Co., Ltd. Network-capable raid controller for a semiconductor storage device
WO2013027997A2 (en) * 2011-08-22 2013-02-28 Taejin Info Tech Co., Ltd. Network-capable raid controller for a semiconductor storage device

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