KR20160064348A - Apparatus for managing cartridge of archive system using optical disc - Google Patents

Abstract

The present invention relates to an apparatus for managing a cartridge of an optical disk-based archive system. The apparatus according to an embodiment of the present invention can be configured to comprise: a rack for containing at least one cartridge having at least one optical disk in an offline state; a terminal for acknowledging whether a flash memory included in the cartridge is abnormal at a predetermined period of time, and recovering the flash memory in an abnormal cartridge; and an interface for connecting the flash memory with the terminal. The terminal includes an optical disk drive, obtains, when at least one optical disk included in the abnormal cartridge is loaded on the optical disk drive, cartridge information for the corresponding cartridge from a file included in the optical disk on which the optical disk is loaded, and can recover the abnormal flash memory based on the obtained cartridge information. Therefore, it is possible to simply acknowledge whether a flash in a cartridge is abnormal without mounting an offline cartridge on an archive system, and improve reliability on data stored in the archive system.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cartridge management apparatus for an optical disc-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a cartridge management apparatus for an optical disc based archive system, and more particularly, to an apparatus for effectively managing the state of a cartridge flash memory when a cartridge of an archive library system is stored in an offline state.

As video signal processing technology and data transmission technology are developed and large display devices are developed, viewers can view high-quality contents and the need to store high-capacity contents is increasing.

In recent years, cloud services have been enabled to put data on remote servers and use data anywhere on the network, and the storage capacity that cloud services provide to individuals is also growing.

In this way, a portal providing cloud service, a broadcasting station providing a large amount of contents, a large server for storing and managing a large amount of data in a library, a government office, or a bank in which a large amount of documents must be archived and stored The need is increasing. In accordance with this necessity, an archive system that can store and retrieve a large amount of data reliably at a low cost and quickly is being launched.

Archiving system is a kind of database which maintains and maintains the relation between data and keeps the collection and data of digital information in the form of digital information. It digitizes information that may be degraded or dispersed over time, And so on. It is meaningful not to simply accumulate information, but to organize and accumulate information effectively in various ways.

Up until now, archival systems have been the mainstay of tapes as storage media. However, a tape-based archive system has the problem of high data stability but low search speed and large space. Hard disk-based archive systems are also emerging and are excellent in that they can be searched quickly, but data reliability is poor.

In recent years, an archive system using an optical disk as a storage medium has emerged. An optical disk-based archive system can search more quickly than a tape-based archive system and can store data more reliably than a hard disk-based archive system There is an advantage that the space occupied by the tape and the hard disk can be reduced.

An optical disc-based archive system includes a cartridge for storing a plurality of optical discs, an optical disc drive for recording data on the optical disc or reading data from the optical disc, and an optical disc between the cartridge and the optical disc drive A picker robot which is a transfer device for transferring is separately provided to move the optical disc taken out from the cartridge horizontally and then loaded into the optical disc drive and unloaded from the optical disc drive by reading / And then pulled into the cartridge.

An optical disc-based archive system may be equipped with two cartridges, and each cartridge may contain, for example, 250 optical discs. In an archive system, a cartridge containing an optical disc on which data is recorded is separated And has mobility that can be mounted on the system. That is, by separating only the cartridge containing the optical disc from the system and attaching it to the other system, a large amount of data contained in the optical disc of the cartridge can be easily transferred to another system.

Such a mobility cartridge includes a flash memory that stores information related to an optical disk contained in the cartridge, and the archive system first connects to the flash memory of the cartridge when the cartridge is mounted, without having to read all the optical disks contained in the cartridge The optical disk information included in the cartridge can be checked quickly.

It is very limited in the past to check whether there is an error in a flash memory of a cartridge in an off-line state, that is, a cartridge stored in an archive system, because the administrator mounts the cartridge in the offline state back to the archive system, The status of the flash memory can be checked even after the status is changed.

In addition, the cartridge stored in the off-line state may be damaged due to a physical impact occurring during storage or environmental factors during storage for a long time in an off-line state. If the cartridge flash is broken, The disk summary information, that is, the corresponding cartridge information, disk information, disk type information, and the like, can not be obtained, and the corresponding cartridge becomes unusable.

Accordingly, it is an object of the present invention to provide an apparatus and a method for effectively managing a cartridge in an offline state in an optical disc-based archive system.

It is another object of the present invention to provide a method for securing reliability of archived data in an optical disk contained in a cartridge stored in an offline state in an optical disk based archive system.

According to an aspect of the present invention, there is provided an apparatus for managing a cartridge in an optical disc based archive system, including: a rack for storing one or more cartridges including at least one optical disc in an offline state; A terminal for confirming an abnormality of a flash memory included in the cartridge at a predetermined cycle and restoring a flash memory of a cartridge in which an error has occurred; And an interface for connecting the flash memory and the terminal.

In one embodiment, the terminal may inform the operator when an error occurs in the cartridge flash memory.

In one embodiment, the terminal includes an optical disk drive, and when one or more optical disks included in a cartridge in which an error occurs in the flash memory is loaded in the optical disk drive, It is possible to obtain the cartridge information about the cartridge and to restore the flash memory in which the error has occurred.

In one embodiment, the terminal can set the cartridge information in a flash memory included in the new cartridge when an optical disk included in the cartridge including the flash memory in which the abnormality occurs is moved to a new cartridge.

In one embodiment, the terminal can set the cartridge information in the flash memory in which the error has occurred, and determine again whether the flash memory is abnormal.

In one embodiment, when the new cartridge is loaded in the rack, the terminal can check whether the flash memory is abnormal with respect to the cartridge.

In one embodiment, the terminal may store the operation result at the end of an operation on whether or not the flash memory is abnormal with respect to the cartridge mounted in the rack.

Therefore, it is possible to easily check whether or not the cartridge flash is abnormal without mounting the cartridge in the off-line state to the archive system.

In addition, an error occurs in the flash memory of the cartridge in the off-line state, and it is possible to reduce a waste of time required to read data contained in the optical disc included in the cartridge.

In addition, reliability of data stored through the archive system can be improved.

Figure 1 illustrates an optical disk based archive system,
2 shows a mechanism for transporting an optical disc in an optical disc-based archive system,
3 shows a configuration of a functional block of an optical disc-based archive system,
FIG. 4 is a view showing a configuration for confirming errors in a flash memory of a cartridge stored in a rack and restoring the flash memory according to an embodiment of the present invention,
Figure 5 illustrates an operational flow diagram for a method for managing cartridges in an off-line state in accordance with an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a cartridge management apparatus for an optical disk based archive system according to the present invention will be described in detail with reference to the accompanying drawings.

In the optical disc-based archive system, a plurality of optical discs are stored in left and right cartridges, and a picker robot moving between the right and left cartridges removes the optical disc from the cartridge, And then the optical disk is loaded on the optical disk drive or unloaded from the optical disk drive and then moved to a state fixed on the body of the picker robot and put back into the cartridge, Or reads data from the optical disc.

Figure 1 shows an optical disk based archive system.

The optical disc-based archive system 100 includes a drive bay 10 in which a plurality of optical disc drives (ODD) are installed, a picker robot 20 for moving the optical disc, a cartridge 30 for storing a plurality of optical discs A robot transfer unit 40 for driving and guiding the picker robot 20 so as to move between the drive bay 10 and the cartridge 30, a plurality of cooling fans 40 for discharging heat generated in the optical disk drive, And a fan module 50 installed therein.

The drive bay 10 and the cartridge 30 are arranged symmetrically and the guide of the robot transfer section 40 is installed between the left and right drive bays 10 and the left and right cartridges 30, It is possible to move between the left and right drive bay 10 and the cartridge 30 along the longitudinal direction of the cartridge 30. [

For example, six optical disc drives can be installed in the drive bay 10, so that up to twelve optical discs can be loaded in the left and right drive bays to perform data recording or data reading operations at the same time.

The cartridge 30 can store, for example, 250 optical discs, so that up to 500 optical discs can be stored in the left and right cartridges 30 provided on both sides of the picker robot 20, May be detached from the archive system. The cartridge 30 is spaced behind the cartridge disk rack with the rear open so that the kicker arm of the picker robot 20 has sufficient penetration space to push the optical disk into the body of the picker robot 20 .

The cartridge key rod used to lock or unlock the cartridge 30 into the system passes through the disk center hole in the cartridge 30 so that when the cartridge 30 is outside the system, 30).

2 shows a mechanism for transferring an optical disc in two directions in an optical disc-based archive system.

2, the optical disc-based archive system 100 includes an X-directional optical disk drive (not shown) for loading / unloading (or loading / unloading) an optical disk into / from the optical disk drive or cartridge 30 of the drive bay 10 And transport in the Y direction for transporting and transporting the optical disk in the disk handling assembly, which is the body of the picker robot 20.

The Y directional transfer is performed by moving the optical disk contained in the disk handling assembly of the picker robot 20 to a desired optical disk drive in the drive bay 10 and a picker robot 20 The picker robot 20 is moved along a guide provided at the center between the left and right drive bays 10 and the left and right cartridges 30.

The guide may include a robot feed screw for driving the picker robot 20 back and forth and a robot feed motor for rotating the robot feed screw, and the picker robot may be connected to a bone or mountain of the screw, And a connection structure for converting the rotational motion of the screw into the linear motion in the Y direction.

The movement in the X direction is performed by an unloading mechanism in the optical disk drive of the drive bay 10, a rotational movement of the picker arm of the picker robot 20, and an actuator drive included in the disk handling assembly, A cartridge 30, and a device for moving the optical disk in the X direction in the disk handling assembly.

The picker robot 20 moves the disc in the cartridge 30 into the disc handling assembly as a body through the actuator included in the kicker arm and the disc handling assembly while detecting the position of the optical disc placed in the disc handling assembly, Direction so that the disk lies in the center of the body of the picker robot.

As described above, the archive system 100 uses a large amount of system resources to read data from the optical disc placed on the cartridge 30, and controls the picker robot 20 and the robot transfer transfer unit 40 to transfer data from the cartridge 30 It is necessary to perform an operation of pulling out the optical disc (X-direction transfer) to the drive bay 10 (Y-direction transfer) and loading (X-direction transfer) to the optical disc drive.

In particular, when transferring a cartridge containing a plurality of optical discs to another archive system, a cartridge-newly loaded archive system sequentially transfers the optical discs one by one in order to check the metadata of the optical discs contained in the cartridge, Since the disk has to be read, it consumes a lot of system resources, is time-consuming, and can not respond to data reading or data write requests from outside while reading the metadata.

In view of this, cartridge flash can be used to store information about the optical disc in the cartridge 30, including a list listing what is in each slot of the cartridge 30, a volume identifier for each disc, A simple history of the disc including the number of rewrites and the number of errors of the available discs, and may also include information about the files included in each disc.

3 shows a functional block diagram of an optical disc-based archive system.

The optical disc-based archive system 100 includes a drive bay 10 for recording and reading data, a picker robot 20 for transferring an X-directional and an Y-directional transport of an optical disc, A robot 30 for driving the picker robot 20 in the Y direction and guiding movement of the picker robot 20, a processor, a memory, an operating system (OS), customized program code and hardware A control unit 60 for commanding or controlling other hardware in the system, and a network unit 70 for transmitting and receiving data and commands by connecting to a server or host in the form of a middleware.

The optical disc-based archive system 100 includes an interface unit including a connection terminal for transmitting and receiving data, such as a memory slot, USB, SCSI, E-SATA, Firewire, etc., and a controller for controlling the flow of data through the connection terminal And may transmit data to an external device connected via an interface unit, a USB memory, or the like.

The administrator can connect the archive device (library) through the middleware type server through the application installed in the operator terminal and control the archive device in the application. Library software for managing device operation can be installed in a single board computer (SBC) of the archive device.

The controller 60 executes the library software and is connected to the middleware and the application. The controller 60 verifies the performance of reading and writing of the optical disk drive included in the drive bay 10 according to an operator's command through the application, It plays the role of recording or reading the requested archive data or already archived data by using the optical disk drive.

The library software executed by the control unit 60 communicates with the server and / or the operator terminal via Ethernet through the network unit 70 to receive commands and data, and based on this, performs operations in the archive system, for example, Processing of requests for the diagnosis and data access and storage of the archive system, such as selection, movement, loading into the optical disk drive, and drive of the optical disk drive through the picker robot 20.

The controller 60 controls the archive system 100 to be in an idle state immediately before separating the cartridge 30 from the archive system 100 and bringing the cartridge 30 into an offline state in order to secure data reliability of the recorded disc. At the time of entry, the disc quality check operation is performed on the disc on which the data is recorded. The entire data read test, the SER (symbol error ratio) measurement, the read response time, and the like can be confirmed.

When the archive system 100 maintains a stable state for a predetermined period of time after the archive system 100 transitions to the idle state, the controller 60 checks whether or not the disk on which the data is recorded is readable. If the read response time is later than the average Check the existing disk and check whether it is ok or not through the whole data read test and SER measurement.

The control unit 60 moves the disc to another adjacent ODD in order to check whether the disc having a slow reading reaction time is caused by a problem of ODD in the case of a disc in which the disc test failed, If the result is OK in the moved ODD, the read NG count is updated for the previous ODD. If the result is NG in the moved ODD, the system administrator or operator can notify the error of the disk to e-mail, GUI, etc. .

On the other hand, conventionally, there has been no case in which the cartridge in the off-line state is brought back to a specific storage place and then the cartridge is brought back online and the cartridge flash is read, unless a request is made for the archived data in the optical disc in the cartridge. In addition, in order to check whether there is an abnormality of the cartridge flash in the off-line state, it is necessary to check whether the cartridge information is registered in the database normally after attaching the corresponding cartridge to the archive system and bring it online.

In consideration of the above problems, the present invention provides a separate interface for connecting the cartridge flash to the external device, and a flash check tool The reliability of physical resources such as an optical disk and a flash memory can be improved by performing a defect-free inspection of data stored in the cartridge flash through a tool.

In an embodiment according to the present invention, a cartridge which is separated from the archive system and brought into an offline state may be stored in a specially designed rack in a separate place, wherein the rack is provided with an interface for connection with the flash of the cartridge , One or more cartridges mounted on the rack are connected to a terminal, for example, a computer equipped with an optical disk device via an interface, and a flash confirmation tool is executed in the computer to check whether or not the flash memory of the cartridge connected through the interface is abnormal .

In addition, the restoration process according to the present invention is executed when it is determined that there is an error in the cartridge flash, so that one or more discs contained in the cartridge are loaded on the optical disc apparatus of the computer, The flash memory of the new cartridge to which the disc loaded in the cartridge is transferred can be set as the cartridge information to be extracted.

FIG. 4 illustrates a configuration for confirming errors in a flash memory of a cartridge stored in a rack and restoring the flash memory according to an embodiment of the present invention.

The cartridge storage system 200 according to the present invention includes a rack 210 for storing one or more cartridges that have been taken off-line in the archive system 100, And a terminal 250 for checking whether the flash memory of the cartridge connected through the interface 220 and the interface 220 is abnormal.

The rack 210 may have a wider opening than the cross section of the cartridge and may receive two or more cartridges in a supported state, and may include a plurality of layers of cradles to accommodate the different cartridges.

The interface 220 is a data input / output device such as a USB (Universal Serial Bus), an IEEE 1394 or a SCSI (Small Computer System Interface), and is connected to a terminal provided in the cartridge to transfer data between the flash memory of the cartridge and the terminal 250 So that it can be exchanged.

The terminal 250 includes a terminal for connection to the interface 220. The terminal 250 executes a flash confirmation tool to determine whether the flash memory of the cartridge connected to the interface 220 is abnormal, Can be set again. In addition, the terminal 250 periodically notifies the operator of the flash of one or more cartridges stuck in the interface 220 automatically without any operator intervention, notifies the operator when an error is detected, .

The terminal 250 performs an abnormality check operation on the flash memory of the cartridge connected via the interface 220 when the cartridge is detached from the archive system 100 and is taken offline and mounted on the rack 210, If the check result is OK, the confirmation result is stored and cataloged and notified to the manager or the operator. If the check result is NG, it is determined that the cartridge memory is abnormal and the operator is informed through the mail or GUI so that the restoration process can be performed.

Figure 5 illustrates an operational flow diagram for a method for managing cartridges in an off-line state in accordance with an embodiment of the present invention.

The terminal 250 may execute a flash verification tool immediately after the cartridge is mounted to the rack 210 or at predetermined intervals to check whether the flash memory is abnormal with respect to one or more cartridges connected via the interface 220 ).

The terminal 250 determines whether the cartridge is the last cartridge (S570). If it is not the last cartridge (NO in S570), the terminal 250 determines whether the flash memory of the next cartridge If it is the last cartridge (YES in S570), the result of the flash confirmation operation is stored and cataloged and informed to the operator and can be terminated.

If there is an error in the flash memory of the corresponding cartridge (YES in S520), the terminal 250 informs the operator of the fact through an e-mail, a message, or a GUI and performs a restoring operation (S530 to S560) have.

The manager who has received the abnormality of the flash memory performs a cartridge flash restoration process in which one or more optical discs are taken out of the cartridge and the optical disc device loaded in the terminal 250 is loaded.

When the optical disk is loaded, the terminal 250 executes a flash setting tool to read a file, for example, an XML file, in which the metadata of the optical disk is stored. In the terminal 250, The cartridge information, the disc information, the disc type information, and the like for the cartridge can be obtained (S530).

The terminal 250 may set the flash memory of the corresponding cartridge through the interface 220 using the cartridge information obtained from the loaded disk, and check again whether the set flash memory is abnormal (S540).

If there is no abnormality in the flash memory again confirmed (S550: YES), the terminal 250 proceeds to step S570 where it is determined whether the cartridge is the last cartridge .

The operator can then move all the optical discs contained in the cartridge with the defective flash memory to the new cartridge.

The terminal 250 may set the cartridge information obtained in step S530 in the flash memory of the new cartridge to complete the restoration process for the cartridge in which the error occurred in the flash memory (S560).

Steps S540 and S550 may be omitted, that is, if an error occurs in cartridge flash, the optical disc included in the cartridge may be moved to a new cartridge and a flash restoration operation may be performed on the cartridge.

When the management operation is performed on the cartridge in the off-line state, even if the cartridge flash is broken due to physical or environmental factors, the cartridge in which the flash memory is abnormally timely detected through the periodic integrity check operation is found, So that an appropriate restoration operation can be performed and the reliability of the physical resources can be improved.

In addition, it is possible to solve the problem that the flash memory of the cartridge in the off-line state including the optical disk containing the file in which the user wants to read the data is destroyed so that the desired file can not be acquired quickly, and the time loss can be reduced.

Further, even if the cartridge in the off-line state is not returned to the on-line state, it is possible to confirm and recover whether or not there is an abnormality in the flash memory of the cartridge.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. Addition or the like.

10: Drive bay 20: Picker robot
30: Cartridge 40: Robot transfer part
50: Fan module 60:
70: Network part 100: Archiving system
200: cartridge storage system 210: rack
220: interface 250: terminal

Claims (7)

A rack for keeping one or more cartridges containing one or more optical discs offline;
A terminal for confirming an abnormality of a flash memory included in the cartridge at a predetermined cycle and restoring a flash memory of a cartridge in which an error has occurred; And
And an interface for connecting the flash memory and the terminal. The method according to claim 1,
Wherein the terminal notifies an operator when an error occurs in the cartridge flash memory. The method according to claim 1,
The terminal includes an optical disc drive, and when one or more optical discs contained in a cartridge in which an error occurs in the flash memory is loaded in the optical disc drive, cartridge information on the cartridge from the file included in the loaded optical disc And restores the flash memory in which an error has occurred based on the error information. The method of claim 3,
Wherein the terminal sets the cartridge information in a flash memory included in the new cartridge when an optical disk included in the cartridge including the flash memory in which the abnormality occurs is moved to a new cartridge, The cartridge management device of the system. The method of claim 3,
Wherein the terminal sets the cartridge information in the flash memory in which the error has occurred, and determines again whether the flash memory is abnormal. The method according to claim 1,
Wherein the terminal checks whether a flash memory is abnormal with respect to the cartridge when a new cartridge is loaded into the rack. The method according to claim 1,
Wherein the terminal stores the result of the operation when an operation for determining whether or not the flash memory is abnormal with respect to the cartridge mounted on the rack is completed.

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