KR20110107438A - Apparatus and method for controlling disc copy in optical disc drive archive system - Google Patents

Apparatus and method for controlling disc copy in optical disc drive archive system Download PDF

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Publication number
KR20110107438A
KR20110107438A KR1020100026534A KR20100026534A KR20110107438A KR 20110107438 A KR20110107438 A KR 20110107438A KR 1020100026534 A KR1020100026534 A KR 1020100026534A KR 20100026534 A KR20100026534 A KR 20100026534A KR 20110107438 A KR20110107438 A KR 20110107438A
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KR
South Korea
Prior art keywords
optical disc
navigation information
optical
data
magazine
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KR1020100026534A
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Korean (ko)
Inventor
공성필
Original Assignee
주식회사 히타치엘지 데이터 스토리지 코리아
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Priority to KR1020100026534A priority Critical patent/KR20110107438A/en
Publication of KR20110107438A publication Critical patent/KR20110107438A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
    • G06F11/324—Display of status information
    • G06F11/327—Alarm or error message display
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/28—Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B2020/183—Testing wherein at least one additional attempt is made to read or write the data when a first attempt is unsuccessful
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

Disc copy control apparatus and method in the optical disk drive archive system according to the present invention, for example, after further recording the navigation information recorded in a specific area of the optical disk in the magazine management information, the navigation information search of the optical disk fails In this case, the navigation information recorded in the magazine management information can be searched and referred to, and a disc copy guide message is displayed to display the data recorded on the optical disc and the navigation information recorded in the magazine management information. By copying and recording each of the other optical discs of the optical disc, even if the navigation information retrieval of the optical disc fails, the data recorded in the data area of the optical disc can be reproduced normally by using the navigation information recorded in the magazine management information. , use It is possible to select and execute the disk copy operation more efficiently.

Description

Apparatus and method for controlling disc copy in optical disc drive archive system}

The present invention provides a disc copy control apparatus in an optical disc drive archive system that stores and manages various types of data such as music files, movie files, document files, and the like on a plurality of optical discs. It is about a method.

In general, a widely used optical disc drive (ODD) includes, for example, an optical disc 10, a spindle motor 11, a sled motor 12, and an optical pickup 13, as shown in FIG. 1. ), The playback / recording unit 14, the controller 15, the motor driver 16, the memory 17, and the like.

In the controller 15, for example, when the optical disc (for example, DVD-R) or rewritable optical disc (for example, DVD-RW) that can be written once is inserted into the optical disc drive, the motor driver 16 ), The spindle motor 11 is rotated, and the sled motor 13 is rotated.

Accordingly, the optical disc 10 is rotated at high speed by the rotation operation of the spindle motor 11, and the optical pickup 13 is rotated by the rotation operation of the sled motor 12. Inner).

In the controller 15, a focusing and tracking servo operation is performed such that a laser beam emitted from the optical pickup 13 is accurately focused on a recording layer of the optical disc 10. To perform an initial servo operation.

In addition, the controller 15 controls the reproduction / recording unit 14 to perform a series of data recording operations for recording data in a data area of the optical disc 10. When the data writing operation is completed, for example, as shown in FIG. 2, navigation information (or also referred to as “controller data”) such as a data start address and a data size is obtained. Recording is performed in a specific area (eg, lead in area) of the optical disc.

Subsequently, when a data recording or reproducing operation is requested for the optical disc 10, the navigation information is searched for, and data is reproduced from the start address of the data recorded in the data area, or the start address and size are retrieved. The data is recorded from the sum of the addresses, that is, the end address at which the data was last recorded.

On the other hand, in recent years, for example, an optical disk drive archive system (ODD Archive System) in the form of a juke box or the like is becoming more and more commercially available, for example, in the case of an archive, to manage the storage of the original data On the other hand, in the case of a backup (Back Up), a copy of data is stored and managed, and the archive and the backup are substantially different.

The optical disk drive archive system may include a drive bay including a plurality of optical disk drives (ODDs) and a disc magazine unit including a plurality of magazines in which a plurality of optical disks are grouped. It may be configured to include.

In the optical disc drive archive system, when a plurality of optical discs grouped into any one magazine are inserted into a plurality of optical disc drives provided in the drive bay, according to a user's selection, Each servo operation is performed.

For example, the first to fourth optical discs Disc 1 to 4, which are grouped into a first magazine, may be connected to the first to fourth optical disc drives Drive 1 to 4 provided in the drive bay. When inserted, the first to fourth optical disc drives respectively perform initial servo operations on the first to fourth optical discs, and then perform data write operations according to a user's request.

When the data recording operation is completed, navigation information such as a data recording start address and size information is recorded in a specific area (eg, lead in area) of the optical disc. For example, the recording operation of the navigation information is performed. Error occurs or when a defect occurs in the navigation information in the process of inserting or ejecting the optical disks into the drive bay, the data is not reproduced even if the data is normally recorded in the data area of the optical disk. Since it will not be possible, there is a need for an efficient solution to solve this problem.

The present invention is, for example, in the optical disc drive archive system, when navigation information recorded in a specific area of the optical disc is additionally recorded in magazine management information, and the navigation information search of the optical disc fails. The navigation information additionally recorded in the magazine management information can be searched and referred to, and a disc copy guide message is displayed to display the data recorded on the optical disc and the navigation information recorded in the magazine management information. Disclosed is an apparatus and method for controlling a disk copy in an optical disk drive archive system for enabling copy recording on an optical disk.

Disc copy control method in the optical disk drive archive system according to the present invention, in the optical disk drive archive system comprising a drive bay having a plurality of optical disk drives, and a disk magazine unit having a magazine grouped a plurality of optical disks A first step of performing an initial servo operation for each optical disc, and then performing a data writing operation when optical disc drives of any one magazine are inserted into the optical disc drives of the drive bay; When the data recording operation is completed, the navigation information is generated and stored in the specific area of the corresponding optical disc and the magazine management information, respectively. When the data recording or reproducing operation is requested, the navigation information recorded in the specific area of the optical disc is stored. Two steps of searching; And when an operation of retrieving the navigation information fails, displays an optical disc copy guide message, and when an optical disc copy operation is requested, data recorded on the optical disc and navigation information stored in the magazine management information are stored in a data area of another optical disc. And three steps of copying each to a specific area.

The magazine management information may include one or more of a magazine number, a disk number, a file name, and navigation information in association with each other.

The navigation information may include a data start address and data size information.

In addition, the optical disk copy guide message, characterized in that the identification information of the optical disk, the navigation operation failed to retrieve the navigation information, and a guide message for recommending to copy the data recorded on the optical disk to another optical disk,

The method may further include performing a data recording or reproducing operation requested by the user by referring to the navigation information stored in the magazine management information when the searching operation of the navigation information fails.

The disk copy control apparatus in the optical disk drive archive system according to the present invention includes an optical disk drive archive including a drive bay having a plurality of optical disk drives and a disk magazine unit having magazines in which a plurality of optical disks are grouped. In the system, a loader for inserting any one optical disk into the optical disk drives in the drive bay; And a controller for controlling a data recording or reproducing operation for the optical discs inserted into the optical disc drives, wherein the controller generates navigation information when the data recording operation of the optical disc is completed, thereby generating the information of the corresponding optical disc. If the data is stored in a specific area and magazine management information, and then a data recording or reproducing operation is requested, the navigation information recorded in the specific area of the corresponding optical disc is retrieved, but if the retrieval operation of the navigation information fails, the optical disc copy guide message After that, if the optical disk copy operation is requested, data recorded on the optical disk and the navigation information stored in the magazine management information are copied to the data area and the specific area of another optical disk, respectively.

The magazine management information may include one or more of a magazine number, a disk number, a file name, and navigation information in association with each other.

The navigation information may include a data start address and data size information.

In addition, the optical disk copy guide message, characterized in that the identification information of the optical disk, the navigation operation failed to retrieve the navigation information, and a guide message for recommending to copy the data recorded on the optical disk to another optical disk,

The controller may perform a data recording or reproducing operation requested by a user by referring to the navigation information stored in the magazine management information when a search operation of the navigation information fails.

Disc copy control apparatus and method in the optical disk drive archive system according to the present invention, for example, after further recording the navigation information recorded in a specific area of the optical disk in the magazine management information, the navigation information search of the optical disk fails In this case, the navigation information recorded in the magazine management information can be searched and referred to, and a disc copy guide message is displayed to display the data recorded on the optical disc and the navigation information recorded in the magazine management information. By copying and recording each of the other optical discs of the optical disc, even if the navigation information retrieval of the optical disc fails, the data recorded in the data area of the optical disc can be reproduced normally by using the navigation information recorded in the magazine management information. , use It is possible to select and execute the disk copy operation more efficiently.

1 shows a configuration of an embodiment of a general optical disk drive,
2 illustrates an embodiment in which navigation information is recorded in a specific area of a general optical disc,
3 is a block diagram of an embodiment of an optical disk drive archive system to which the present invention is applied;
4 illustrates an embodiment in which optical discs of a first magazine are inserted into a drive bay according to the present invention;
5 illustrates an embodiment in which navigation information is recorded in magazine management information according to the present invention;
6 is a flowchart illustrating an embodiment of a disk copy control method in an optical disk drive archive system according to the present invention;
7 illustrates an embodiment of a disc copy guide message displayed according to the present invention;
8 shows an embodiment of a disc copy process according to the present invention.

Hereinafter, a preferred embodiment of an apparatus and method for controlling a disk copy in an optical disk drive archive system according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 shows a configuration of an embodiment of an optical disc drive archive system to which the present invention is applied. For example, the optical disc drive archive system 200 includes an interface module 20, a reproduction / recording unit 21, The storage 22, the drive bay 23, the disk magazine unit 24, the network module 25, the controller 26, the loader 27, and the memory 28 may be configured to be included.

Meanwhile, various local devices, such as a personal computer (PC) or USB memory, may be connected to the interface module 20, and the network module 25 may be connected to the interface module 20. A content server that provides various types of content such as music files, movie files, document files, etc. may be connected through a network such as the Internet.

In addition, the storage 22 may include, for example, a large capacity hard disk (HDD), and the drive bay 23 may include a plurality of optical disk drives. For example, as shown in FIG. 4, the drive bay 23 may include first to fourth optical disk drives Drive 1 to 4.

In addition, the disc magazine unit 24 may include a plurality of magazines in which a plurality of optical discs are grouped. For example, the first to fourth optical discs Disc 1 to 4 may be included. The grouped first magazine (Magazine 1), the second magazine (Magazine 2) in which the fifth to eighth optical discs Disc 5 to 8 are grouped, and the ninth to twelfth optical discs (Disc 9 to 12). The grouped third magazine Magazine 3 and the fourth magazine Magazine 4 grouped with the thirteenth through sixteenth optical discs Discs 13 through 16 may be included.

Meanwhile, the loader 27 may include optical discs (eg, Disc) of any one magazine (eg, Magazine 1) included in the disc magazine unit 24 according to the operation control of the controller 26. 1 to 4 are inserted into the optical disk drives provided in the drive bay 23, respectively, to perform a series of disk loading operations such as inserting or ejecting.

The memory 28 may be a nonvolatile memory such as a flash memory or an EEPROM. The memory 28 includes a plurality of optical discs grouped in respective magazines. Management information, for example, magazine management information (Magazine Management Information) can be stored and managed.

In addition, the magazine management information includes, for example, a magazine number (Magazine No.), a disc number (Disc No.), a file name (File Name), and navigation information (Navigation Info. ) May be linked and stored in the form of a look up table.

On the other hand, the controller 26, for example, in response to a user's request, the operation control the loader 27, to drive any of the optical disks included in the disk magazine unit 24, the drive bay After insertion into (23), a series of initial servo operations are performed for the respective optical disks.

In addition, the controller 26 controls the playback / recording unit 21 to perform a data recording operation. After the data recording operation is completed, the controller 26 generates navigation information to generate a specific area (eg, an optical disc). In addition to recording in the lead-in area, it is additionally recorded in the magazine management information.

In addition, the controller 26 retrieves the navigation information recorded in a specific area of the optical disc, and then performs a data reproducing or recording operation requested by the user. However, the controller 26 fails to retrieve the navigation information. When the navigation information stored in the magazine management information is searched and referenced, the data reproduction or recording operation is performed.

In addition, the controller 26 displays a guide message indicating that a disc copy is required due to a failure in retrieving the navigation information, which will be described in detail below.

6 is a flowchart illustrating an embodiment of a method for controlling a disk copy in the optical disk drive archive system according to the present invention. For example, in the controller 26, the loader 27 may be used in response to a user's request. Operation) to select any one of the magazines included in the disc magazine unit 24, and then insert the optical discs of the selected magazine into the optical disc drives of the drive bay 23 (S10).

For example, according to a user's request, the first to fourth optical disks Disc 1 to 4 that are grouped into the first magazine Magazine 1 may be stored in the first to fourth optical disk drives of the drive bay 23. When inserted into the drives 1 to 4, the controller 26 controls the first to fourth optical disk drives to perform a series of initial servo operations for the first to fourth optical disks, respectively. (S11).

Then, the controller 26, for example, in response to the user's request, by operating the playback / recording unit 21 to perform a series of data recording operations for recording data on the optical disk (S12), Thereafter, when the data recording operation is completed (S13), navigation information is generated and recorded in a specific area (eg, lead-in area) of the optical disc (S14).

In addition, the controller 26 further records the navigation information in the magazine management information described above with reference to FIG. 5 (S15), for example, to the first optical disc Disc 1. The data start address (e.g., Start Add = 0x30000) and data size information (e.g., 3.0GB), which are the navigation information, are additionally recorded in association with the disc number 1 (Disc 1) in the magazine management information.

Subsequently, when a data recording or reproducing operation is requested for the first optical disk (S16), the controller 26 searches for navigation information recorded in a specific area of the first optical disk (S17). For example, if the navigation information retrieval fails (S18), the navigation information stored in association with the disc number 1 in the magazine management information is retrieved (S19).

In addition, the controller 26 refers to the navigation information searched in the magazine management information to reproduce data from the data start address of the first optical disc, or add the data start address and size information of the first optical disc. One address, that is, an end address at which data was last recorded is searched for, and a write operation is performed from the corresponding position.

The controller 26 generates and displays a disc copy guide message when a data recording or reproducing operation of the first optical disc is completed or an eject operation of the first optical disc is requested. S20), for example, as illustrated in FIG. 7, the disk copy guide message copies data of the first optical disk to any other optical disk together with a message for notifying that the navigation information search for the first optical disk has failed. A message prompting you to do so is displayed.

Accordingly, the user inserts any new optical disc into the drive bay, for example, inserts a new optical disc (eg Disc k) into a second optical disc drive (Drive 2) in the drive bay. In one state, when a disc copy operation is requested, the controller 26 stores data recorded in the data area of the first optical disc Disc 1 as shown in FIG. 8. The data is copied to the data area of the new optical disc Disc k.

In addition, the navigation information of the first optical disk recorded in the magazine management information is copied and recorded in a specific area (for example, a lead-in area) of the random new optical disk Disc k, and then a corresponding operation requested by the user is performed. It is made (S21).

Therefore, since the navigation information and data of the first optical disc are copied and recorded normally in a specific area and data area of the arbitrary new optical disc Disc k, the new optical disc is ejected and then inserted into any other optical disc drive. Since the normal navigation search can be performed, the data recording or reproducing operation can be normally performed.

For reference, the drive bay, the disc magazine unit, and the magazine may be referred to as any other term, for example, a multi drive, a disc cartridge unit, a cartridge, and the like.

Or more, preferred embodiments of the present invention described above, for the purpose of illustration, those skilled in the art, within the technical spirit and the technical scope of the present invention disclosed in the appended claims below, to further improve various other embodiments Changes, substitutions or additions will be possible.

10 optical disc 11: spindle motor
12: sled motor 13: optical pickup
14: playback / recording unit 15: controller
16: motor driver 17: memory
20: interface module 21: playback / recording unit
22: storage 23: drive bay
24: disc magazine unit 25: network module
26 controller 27 loader
28: memory 100: optical disk drive
200: optical disc drive archive system

Claims (10)

In an optical disc drive archive system, comprising a drive bay having a plurality of optical disc drives, and a disk magazine unit having magazines in which a plurality of optical discs are grouped,
A first step of performing an initial servo operation for each optical disc, and then performing a data writing operation when optical disc drives of any one magazine are inserted into the optical disc drives of the drive bay;
When the data recording operation is completed, the navigation information is generated and stored in the specific area of the corresponding optical disc and the magazine management information, respectively. When the data recording or reproducing operation is requested, the navigation information recorded in the specific area of the optical disc is stored. Two steps of searching; And
If the search operation of the navigation information fails, an optical disk copy guide message is displayed, and if an optical disk copy operation is requested, the data recorded on the optical disk and the navigation information stored in the magazine management information are compared with the data area of another optical disk. Disc copy control method in an optical disk drive archive system comprising three steps of copying each to a specific area. The method of claim 1,
And one or more of a magazine number, a disk number, a file name, and navigation information are stored in the magazine management information in association with each other. The method of claim 2,
And the navigation information includes a data start address and data size information. The method of claim 1,
In the optical disc copy guide message, identification information of an optical disc for which navigation information search operation has failed and a guide message recommending copying data recorded on the optical disc to another optical disc are displayed. How to control disk copy. The method of claim 1,
In the optical disk drive archive system, if the navigation operation of the navigation information fails, performing a data recording or reproducing operation requested by the user by referring to the navigation information stored in the magazine management information. To control disk copying In an optical disc drive archive system, comprising a drive bay having a plurality of optical disc drives, and a disk magazine unit having magazines in which a plurality of optical discs are grouped,
A loader for inserting any one optical disc into the optical disc drives in the drive bay; And
And a controller for controlling a data recording or reproducing operation for the optical discs inserted into the optical disc drives.
When the data recording operation of the optical disc is completed, the controller generates navigation information and stores the navigation information in the specific region of the optical disc and the magazine management information, respectively, and when the data recording or reproducing operation is requested, in the specific region of the optical disc. If the searched navigation information is searched and the search operation of the navigation information fails, an optical disk copy guide message is displayed.
Subsequently, when an optical disc copy operation is requested, the data in the optical disc drive archive system is characterized by copying the data recorded on the optical disc and the navigation information stored in the magazine management information to the data area and the specific area of another optical disc, respectively. Copy control unit. The method of claim 6,
And one or more of a magazine number, a disk number, a file name, and navigation information are stored in the magazine management information in association with each other. The method of claim 7, wherein
And the navigation information includes a data start address and data size information. The method of claim 6,
In the optical disc copy guide message, identification information of an optical disc for which navigation information search operation has failed and a guide message recommending copying data recorded on the optical disc to another optical disc are displayed. Disk copy control unit. The method of claim 6,
When the search operation of the navigation information fails, the controller searches and searches navigation information stored in the magazine management information, and performs a data recording or reproducing operation requested by a user. Copy control unit.
KR1020100026534A 2010-03-25 2010-03-25 Apparatus and method for controlling disc copy in optical disc drive archive system KR20110107438A (en)

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