JP2006216104A - Recording medium library apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a library apparatus in which transportation work of a recording medium can be continued even if a drive is replaced. <P>SOLUTION: The library apparatus is constituted of a storing shelf (1) provided with a plurality of storing regions, a recording medium group (2) provided at a part of the storing shelf, a drive group (3) performing reading and writing with respect to the medium, a host computer (4), and an accessor (5). The host computer (4) transmits to the accessor a recording medium transportation instruction including a sending side address indicating a first storing region in which the recording medium is stored and a receiving side address indicating a second storing region. Since diagnosis processing is performed in such a manner that the accessor interprets the sending side address as a recording medium storing region for diagnosis in which a recording medium (7) for diagnosing a drive is stored, and interprets the receiving side address as an exchanged drive, the diagnosis processing can be surely performed even in the transportation work of the recording medium. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a recording medium library device that takes out a recording medium from a first storage area, conveys it, and stores it in a second storage area.

  Japanese Patent Application Laid-Open No. 2001-319399 discloses a magnetic tape library device that takes out a magnetic tape medium from a first storage area, conveys it, and stores it in a second storage area.

FIG. 1 is a block diagram showing a configuration of a conventional magnetic tape library apparatus. The magnetic tape library apparatus includes a storage shelf 101, a magnetic tape medium group 102, a drive group 103, an apparatus management unit 104, an accessor 105 that is a robot, and a rail 106. Accessor 105 and device management unit 104 are connected by wire or wirelessly. The rail 106 is provided in parallel with the storage shelf 101, and the accessor 105 can move on the rail 106.
The storage shelf 101 has a plurality of storage areas. The magnetic tape medium group 102 is stored in a part of the plurality of storage areas. The drive group 103 is mounted on another part of the plurality of storage areas. The drive group 103 stores one magnetic tape medium in the magnetic tape medium group 102 and reads / writes data from / to the stored magnetic tape medium.

  In the normal mode, the device management unit 104, among the plurality of addresses of the plurality of storage areas, receives the transmission side address indicating the first storage area in which the one magnetic tape medium is stored and the reception address indicating the second storage area. The magnetic tape medium conveyance command including the side address is transmitted. The accessor 105 receives a magnetic tape medium conveyance command in the normal mode. At this time, the accessor 105 takes out and conveys the one magnetic tape medium from the first storage area, and performs a transporting operation of storing it in the second storage area.

On the other hand, when one drive in the drive group 103 is replaced, the device management unit 104 stops transmitting the magnetic tape medium conveyance command in the maintenance mode.
The position of the receiving port (frontage) for the drive group 103 to store one magnetic tape medium differs depending on manufacturing variations. For this reason, in the maintenance mode, the accessor 105 performs position correction processing for recognizing the frontage position so that the accessor 105 does not collide or rub the magnetic tape medium with the replaced drive in the drive group 103. . In the maintenance mode, the diagnostic process is performed when the diagnostic magnetic tape medium is stored in the replaced drive. The diagnostic magnetic tape medium is a magnetic tape medium for diagnosing the drive. In the diagnosis process, the drive reads and writes data from and into the stored diagnostic magnetic tape medium.

  In the magnetic tape library apparatus described above, when the drive is replaced, in the maintenance mode, the apparatus management unit 104 stops transmitting the magnetic tape medium conveyance command. Therefore, the accessor 105 must interrupt the conveyance operation. For this reason, if the worker wants to perform a user operation such as a backup process or a batch process for backing up data recorded on the magnetic tape medium by the transport operation, the user operation is delayed.

  Such a magnetic tape library apparatus will be described in detail.

  FIG. 2 shows a plurality of storage areas of the storage shelf 101. The accessor 105 has an X direction positioning flag (X coordinate) for determining the position in the X direction and a Y direction positioning for determining a position in the Y direction perpendicular to the X direction in order to grasp the positions of the plurality of storage areas. A flag (Y coordinate) is used. The X-direction positioning flag includes flags X1, X2, X3... With the flag X0 as a reference. Flags X1, X2, X3... Represent the distance from the flag X0. The Y-direction positioning flag includes flags Y1, Y2, Y3,... Based on the flag Y0. Flags Y1, Y2, Y3... Represent distances from the flag Y0.

  For example, the drive group 103 includes drives 103-1, 103-2, and 103-3. In this case, the storage area in which the drive 103-1 is mounted represents a quadrilateral having corners at coordinates (X4, Y1), (X4, Y4), (X5, Y1), and (X5, Y4). The storage area in which the drive 103-2 is mounted represents a quadrilateral having corners at coordinates (X4, Y4), (X4, Y7), (X5, Y4), (X5, Y7). The storage area in which the drive 103-3 is mounted represents a quadrilateral having corners at coordinates (X4, Y7), (X4, Y10), (X5, Y7), (X5, Y10). In the storage areas other than the storage area in which the drive group 103 is mounted, the magnetic tape medium group 102 is stored.

  FIG. 3 is a perspective view showing the configuration of the drive group 103. Each of the drive groups 103 includes a storage part 131, a drive main body 130, and a barcode 132. The storage unit 131 corresponds to the above-described opening provided in the drive main body 130 and stores one magnetic tape medium. The drive main body 130 reads / writes data from / to the magnetic tape medium stored in the storage unit 131. The bar code 132 is provided on the drive main body 130.

Before the drive group 103 is shipped, the barcode 132 holds installation position information indicating the position where the storage unit 131 is provided in the drive main body 130. In order for the accessor 105 to grasp the position of the storage unit 131, as the installation position information, a V direction positioning flag (V coordinate) for determining the position in the V direction and a position in the W direction perpendicular to the V direction are determined. A W direction positioning flag (W coordinate) is used. The V-direction positioning flag is based on the flag V0 and includes flags V1 and V2. Flags V1 and V2 represent distances from the flag V0. The W direction positioning flag is based on the flag W0 and includes flags W1 and W2. Flags W1 and W2 represent distances from the flag W0. In this case, the installation position information represents a quadrangle whose corners are coordinates (V1, W1), (V1, W2), (V2, W1), and (V2, W2).
The flags V0 and W0 are also a reference when the drive group 103 is mounted in the storage area after shipment. For example, the coordinates (V0, W0) in the drive 103-1 and the coordinates (X4, Y1) in the storage area Are mounted in the storage area so that they overlap.

  As illustrated in FIG. 4, the device management unit 104 includes a control device 140 and a memory 142. The control device 140 includes a CPU (Central Processing Unit) 141. The memory 142 includes a computer program 143 to be executed by the CPU 141 and an address database 145. The computer program 143 includes a control unit 144. The operation of the control unit 144 will be described later. As shown in FIG. 5, the address database 145 includes a plurality of addresses associated with each of the plurality of storage areas and a plurality of situations indicating whether the magnetic tape medium is stored in each of the plurality of storage areas. Information is stored.

  As shown in FIG. 4, the accessor 105 includes a hand unit 151, a position sensor 152, a barcode reader 153, and an accessor body 150. As shown in FIG. 6, the hand unit 151 is provided in the accessor body 150. The barcode reader 153 is provided in the accessor main body 150 or the hand unit 151, and is provided in the hand unit 151, for example, as shown in FIG. The position sensor 152 is provided in the accessor main body 150 or the hand unit 151, for example, provided in the hand unit 151 (not shown).

  As shown in FIG. 4, the accessor main body 150 is equipped with a computer and includes an accessor control device 154 and a memory 156. The accessor control device 154 includes a CPU 155. The memory 156 includes a computer program 160 to be executed by the CPU 155 and a position coordinate database 170. The computer program 160 includes a position measurement control unit 161, a normal mode search control unit 162, a normal mode transmission control unit 163, a normal mode reception control unit 164, a maintenance mode search control unit 165, and a maintenance mode execution control unit 166. Contains. The operation of the computer program 160 will be described later. As shown in FIG. 7, the position coordinate database 170 stores a plurality of addresses and a plurality of position information described later.

  Before shipment or after shipment, the control unit 144 of the device management unit 104 refers to the address database 145 and transmits a plurality of position measurement instructions to the accessor 105 by the operation of the operator. Each of the plurality of position measurement instructions includes a plurality of addresses, and represents the order in which the accessor 105 measures the positions of the plurality of storage areas. In this case, the position measurement control unit 161 of the accessor 105 controls the position sensor 152 to measure the positions of the plurality of storage areas, respectively, according to the plurality of position measurement instructions. Thereafter, the position measurement control unit 161 stores a plurality of addresses and a plurality of pieces of position information representing the respective positions of the plurality of storage areas in the position coordinate database 170.

For example, when the number of position measurement instructions is 84, the position measurement control unit 161 stores the address included in the first position measurement instruction in the position coordinate database 170 in response to the first position measurement instruction. To do. The first storage area is a storage area in which one magnetic tape medium in the magnetic tape medium group 102 is stored. Thereafter, the position measurement control unit 161 controls the position sensor 152 to measure the position of the first storage area, and coordinates (X0, Y0), (X0, Y1), (X1, Y0) and (X1, Y1) are stored in the position coordinate database 170.
In response to the 42nd position measurement instruction, the position measurement control unit 161 stores the address included in the 42nd position measurement instruction in the position coordinate database 170. The forty-second storage area is a storage area in which the drive 103-1 of the drive group 103 is mounted. Thereafter, the position measurement control unit 161 controls the position sensor 152 to measure the position of the forty-second storage area, and coordinates (X4, Y1), (X4, Y4), (X5, Y1) and (X5, Y4) are stored in the position coordinate database 170.

  When the drive group 103 is mounted on the storage shelf 101 after shipment, the control unit 144 of the device management unit 104 transmits three frontage position measurement instructions to the accessor 105 with reference to the address database 145 by the operator's operation. To do. Each of the three frontage position measurement instructions includes the address of the storage area in which the drives 103-1 to 103-3 are mounted, and the order in which the accessor 105 measures the position of the storage unit 131 of the drives 103-1 to 103-3. Represents. In this case, the position measurement control unit 161 of the accessor 105 reads the installation position information held in the barcode 132 of each of the drives 103-1 to 103-3 according to the three frontage position measurement instructions. The code reader 153 is controlled. Thereafter, the position measurement control unit 161 stores the storage units of the drives 103-1 to 103-3 based on the drive position information that is the position information of the drives 103-1 to 103-3 and the three installation position information, respectively. Three pieces of corrected position information representing the correct positions of 131 are generated. The position measurement control unit 161 stores the three pieces of corrected position information as drive position information of the drives 103-1 to 103-3 in the position coordinate database 170 in association with the addresses of the drives 103-1 to 103-3. To do.

  For example, the position measurement control unit 161 controls the barcode reader 153 so as to read the installation position information held in the barcode 132 of the drive 103-1, in accordance with the first frontage position measurement instruction. The read installation position information is coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2). Thereafter, the position measurement control unit 161 reads the drive position information of the drive 103-1 from the position coordinate database 170, and the storage unit 131 of the drive 103-1 based on the drive position information and the read installation position information. The corrected position information representing the accurate position of is generated. As described above, the flags V0 and W0 are also a reference when the drive group 103 is mounted in the storage area after shipment. For this reason, the position measurement control unit 161 adds the coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2) of the installation position information to the coordinates (X4, Y1) of the drive position information. Are added as coordinates (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1), and (X4 + V2, Y1 + W2) as correction position information. The position measurement control unit 161 stores the corrected position information as drive position information of the drive 103-1 in the position coordinate database 170 in association with the address of the drive 103-1.

  When operating after shipment, the control unit 144 of the device management unit 104 transmits a mode signal indicating the normal mode or the maintenance mode to the accessor 105 by the operation of the operator. The mode signal indicates the normal mode when in the inactive state, and indicates the maintenance mode when in the active state.

  The control unit 144 of the device management unit 104 transmits a mode signal indicating the normal mode to the accessor 105 by the operation of the operator. At this time, the normal mode search control unit 162 of the accessor 105 receives the mode signal indicating the normal mode and recognizes that the carrying operation is performed (step S100-NO in FIG. 9).

In the normal mode, the control unit 144 of the device management unit 104 refers to the address database 145 and uses a format as shown in FIG. 8 to specify a first storage area FROM that specifies the first storage area in which the magnetic tape medium is stored. And a magnetic tape medium transport command including the receiving address TO designating the second storage area is transmitted to the accessor 105. The normal mode search control unit 162 of the accessor 105 receives the magnetic tape medium conveyance command. At this time, the normal mode search control unit 162 refers to the position coordinate database 170, and from among the plurality of pieces of position information, sends side position information corresponding to the sending side address FROM and receiving side position corresponding to the receiving side address. Search for information. The normal mode sending side conveyance control unit 163 of the accessor 105 controls the accessor body 150 to move to the position indicated by the sending side position information (step S101 in FIG. 9).
Next, the normal mode transmission side conveyance control unit 163 guides the hand unit 151 to the position indicated by the transmission side position information and takes out the magnetic tape medium (step S102 in FIG. 9).

After the hand unit 151 takes out the magnetic tape medium, the normal mode reception side conveyance control unit 164 of the accessor 105 controls the accessor body 150 to move to the position indicated by the reception side position information (step S103 in FIG. 9). .
Next, the normal mode reception side conveyance control unit 164 guides the hand unit 151 to the position indicated by the reception side position information, and inserts (contains) the magnetic tape medium into the storage unit 131 of the drive 103-1. Step S104).

  For example, the receiving side address represents the drive 103-1 as the second storage area, and the receiving side position information includes drive position information (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1) of the drive 103-1. ), (X4 + V2, Y1 + W2). In this case, in step S104, the normal mode reception side conveyance control unit 164 guides the hand unit 151 to the position indicated by the drive position information, and puts the magnetic tape medium into the storage unit 131 of the drive 103-1. Accordingly, the accessor 105 can store the magnetic tape medium in the storage unit 131 of the drive 103-1, without causing the magnetic tape medium to collide with or rub against the drive 103-1.

  For example, the sending address represents the drive 103-1 as the first storage area, and the sending position information is the drive position information (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1) of the drive 103-1. ), (X4 + V2, Y1 + W2). In this case, in step S102, the normal mode sending side conveyance control unit 163 guides the hand unit 151 to the position represented by the drive position information, and takes out the magnetic tape medium from the storage unit 131 of the drive 103-1. As a result, the accessor 105 can take out the magnetic tape medium from the storage unit 131 of the drive 103-1, without causing the hand unit 151 to collide with or rub the drive 103-1.

  When the drive 103-1 in the drive group 103 is replaced, the control unit 144 of the device management unit 104 stops the transmission of the magnetic tape medium conveyance command by the operator's operation, and sends a mode signal indicating the maintenance mode. Transmit to accessor 105. At this time, the maintenance mode search control unit 165 of the accessor 105 receives the mode signal indicating the maintenance mode, and recognizes that the position correction process and the diagnosis process are performed as the maintenance work (step S100-YES in FIG. 9). ).

  In the maintenance mode, the control unit 144 of the device management unit 104 refers to the address database 145 and transmits a maintenance mode command including an exchange address. The replacement address represents the replaced drive 103-1. The maintenance mode search control unit 165 of the accessor 105 receives the maintenance mode command. At this time, the maintenance mode search control unit 165 searches the drive position information corresponding to the replacement address from the plurality of position information with reference to the position coordinate database 170. When the maintenance mode command is received, the maintenance mode search control unit 165 has coordinates (X4, Y1), (X4, Y4), (X5, Y1), (X5) as drive position information corresponding to the replacement address. , Y4) is read from the position coordinate database 170. The maintenance mode execution control unit 166 of the accessor 105 recognizes that the position correction processing is executed based on the read drive position information, and controls the accessor body 150 to move to the position indicated by the drive position information (FIG. 9). Step S113).

  In the position correction process, the maintenance mode execution control unit 166 controls the barcode reader 153 so as to read the installation position information held in the barcode 132 of the replaced drive 103-1 (step S 114 in FIG. 9). . The read installation position information is coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2).

  In the position correction process, the maintenance mode execution control unit 166 determines the accurate position of the storage unit 131 of the drive 103-1 based on the drive position information of the replaced drive 103-1 and the read installation position information. The correction position information to be expressed is generated (step S115 in FIG. 9). As described above, the flags V0 and W0 are also a reference when the drive group 103 is mounted in the storage area after shipment. Therefore, the maintenance mode execution control unit 166 adds the coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2) of the installation position information to the coordinates (X4, Y1) of the drive position information. ) To generate coordinates (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1), (X4 + V2, Y1 + W2) as correction position information.

  In the position correction process, the maintenance mode execution control unit 166 stores the corrected position information in the position coordinate database 170 as drive position information of the drive 103-1, in association with the address of the replaced drive 103-1. Step S116 in FIG. 9).

  A diagnostic magnetic tape medium is accommodated in the accommodating portion 131 of the replaced drive 103-1, and a diagnosis process is executed. The replaced drive 103-1 reads and writes data to the diagnostic magnetic tape medium stored in the storage unit 131.

  The control unit 144 of the device management unit 104 transmits a mode signal indicating the normal mode to the accessor 105 as a maintenance mode release command in response to the operator's operation. At this time, the normal mode search control unit 162 of the accessor 105 receives the mode signal indicating the normal mode and recognizes that the carrying operation is performed (step S100-NO in FIG. 9).

  However, in the magnetic tape library apparatus, when the drive 103-1 is replaced, as shown in FIG. 10, in the maintenance mode, the apparatus management unit 104 stops transmitting the magnetic tape medium conveyance command, and the accessor 105 Stop the transfer operation. For this reason, when a worker wants to perform user work (backup processing and batch processing) by carrying work, the user work is delayed.

JP 2001-319399 A

SUMMARY OF THE INVENTION An object of the present invention is to provide a recording medium library apparatus that can continue the carrying work even if the drive is replaced.
Another object of the present invention is to provide a recording medium library device that can perform a diagnostic process in which a replaced drive reads and writes data from / to a diagnostic recording medium during a transport operation.
Still another object of the present invention is to provide a recording medium library apparatus capable of performing a position correction process in which an accessor recognizes the position of a storage portion (frontage) of a replaced drive during a transport operation.

  Hereinafter, means for solving the problem will be described using the numbers and symbols used in [Best Mode for Carrying Out the Invention]. These numbers and symbols are added to clarify the correspondence between the description of [Claims] and the description of [Best Mode for Carrying Out the Invention]. It should not be used to interpret the technical scope of the invention described in “

The recording medium library apparatus of the present invention includes a storage shelf (1) having a plurality of storage areas, a recording medium group (2) stored in a part of the plurality of storage areas, and a plurality of storage areas. A drive group (3), a host computer (4), and an accessor (5) mounted on the other part of them are provided. The drive group (3) accommodates one recording medium of the recording medium group (2), and reads / writes data from / to the accommodated recording medium. The accessor (5) is a robot and is equipped with a computer having a computer program (60). The accessor (5) is operated by a computer program (60).
The host computer (4) includes a sending address indicating a first storage area in which the one recording medium is stored and a receiving address indicating a second storage area among the plurality of addresses in the plurality of storage areas. Is sent. When the accessor (5) receives the recording medium conveyance command, the accessor (5) takes out and conveys the one recording medium from the first storage area, and stores it in the second storage area (S1 to S4).
One of the recording medium groups (2) includes a diagnostic recording medium (7) for diagnosing the replaced drive (3-1) in the drive group (3).
The sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium (7) is stored as the first storage area, and the receiving address is exchanged as the second storage area. Represents the drive (3-1). In this case, when the accessor (5) receives the recording medium conveyance command, the accessor (5) takes out the diagnostic recording medium (7) from the diagnostic recording medium storage area and conveys it, and the exchanged drive (3- 1) (S1, S2, S11-YES, S12-YES, S13 to S16, S4).

  According to the recording medium library apparatus of the present invention, with the above configuration, even if the drive (3-1) is replaced, the host computer (4) transmits a recording medium conveyance command, so the accessor (5) In response to the recording medium conveyance command, the conveyance operation of taking out the recording medium from the first storage area and conveying it to the second storage area can be continued. For this reason, the worker can always perform the user work (backup process, batch process) by the transfer work.

  According to the recording medium library apparatus of the present invention, the sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium (7) is stored as the first storage area, and the receiving address is When the replaced drive (3-1) is represented as the second storage area, the diagnostic recording medium (7) is stored in the replaced drive (3-1). In this case, a diagnostic process in which the replaced drive (3-1) reads / writes data from / to the diagnostic recording medium (7) can be performed during the transport operation.

In the recording medium library apparatus of the present invention, the accessor (5) includes an accessor body (50) and a hand portion (51) provided on the accessor body (50).
The accessor body (50) includes a memory (56; 70), a search control unit (62) which is a computer program (60), a transmission side conveyance control unit (63), and a reception side conveyance control unit (64). is doing. The memory (56; 70) stores the plurality of addresses and a plurality of position information indicating the positions of the plurality of storage areas.
When the search control unit (62) receives the recording medium conveyance command, the search control unit (62) refers to the memory (56; 70), and sends the sending side position corresponding to the sending side address from the plurality of position information. Information and the receiving-side location information corresponding to the receiving-side address are searched (S1).
The sending side conveyance control unit (63) controls the accessor body (50) to move to the position represented by the sending side position information (S1), and the hand unit ( 51) is taken out and the one recording medium is taken out (S2).
The receiving side conveyance control unit (64) controls the accessor body (50) so that the hand unit (51) moves to a position represented by the receiving side position information after the one recording medium is taken out. (S3) The hand unit (51) is guided to the position represented by the receiving side position information, and the one recording medium is stored (S4).

In the recording medium library apparatus of the present invention, each of the drive groups (3) includes a drive body (30) and a barcode (32). The drive main body (30) is provided with a storage unit (31) for storing the one recording medium, and reads / writes data from / to the recording medium stored in the storage unit (31). The bar code (32) is provided in the drive main body (30), and holds installation position information indicating a position where the storage part (31) is provided in the drive main body (30).
The accessor (5) further includes a barcode reader (53) provided on the accessor body (50) or the hand portion (51).
The sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium (7) is stored as the first storage area, and the receiving address is exchanged as the second storage area. The receiving position information is drive position information indicating the position of the replaced drive (3-1) (S1, S2, S11-YES, S12-YES).
In this case, the receiving-side conveyance control unit (64) moves the accessor body (51) so that the hand unit (51) moves to the position indicated by the drive position information after taking out the diagnostic recording medium (7). 50) (S13), and the barcode reader (53) is controlled so as to read the installation position information held in the barcode (32) of the replaced drive (3-1) (S14). ).
The receiving-side conveyance control unit (64) is a correction position that represents an accurate position of the storage unit (31) of the replaced drive (3-1) based on the drive position information and the installation position information. Information is generated (S15), and the corrected position information is stored in the memory (56; 70) as the drive position information (S15).
The receiving-side transport control unit (64) guides the hand unit (51) to the position represented by the correction position information, and sends the diagnostic information to the storage unit (31) of the replaced drive (3-1). The recording medium (7) is stored (S16).

  According to the recording medium library apparatus of the present invention, the sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium (7) is stored as the first storage area, and the receiving address is When the replaced drive (3-1) is represented as the second storage area, the accessor (5) is used to store the diagnostic recording medium (7) in the replaced drive (3-1). The position correction process for recognizing the position of the storage section (31) of the drive (3-1) can be performed during the transport operation. Therefore, the recording medium can be stored in the drive (3-1) without causing the accessor (5) to collide with or rub the recording medium against the drive (3-1).

  In the recording medium library apparatus of the present invention, the recording medium group (2) is a magnetic tape.

  In the recording medium library apparatus of the present invention, the recording medium group (2) is an optical disk.

As described above, in the recording medium library apparatus of the present invention, the accessor can continue the carrying operation even if the drive is replaced.
The recording medium library apparatus according to the present invention can perform a diagnostic process in which the replaced drive reads and writes data from / to the diagnostic recording medium during the transport operation.
The recording medium library apparatus of the present invention can perform a position correction process in which the accessor recognizes the position of the storage unit (frontage) of the replaced drive during the transport operation.

  Hereinafter, a recording medium library device of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 11 is a block diagram showing the configuration of the recording medium library apparatus of the present invention. The recording medium library apparatus of the present invention includes a storage shelf 1, a recording medium group 2, a drive group 3, a host computer 4, an accessor 5 that is a robot, and a rail 6. The recording medium group 2 is a magnetic tape or an optical disk. An example of the optical disk is a DVD (Digital Video Disk). The accessor 5 and the host computer 4 are connected by wire or wireless. The rail 6 is provided in parallel with the storage shelf 1, and the accessor 5 can move on the rail 6.
The storage shelf 1 includes a plurality of storage areas. The recording medium group 2 is stored in a part of the plurality of storage areas. The drive group 3 is mounted on another part of the plurality of storage areas. The drive group 3 accommodates one of the recording medium groups 2 and reads / writes data from / to the accommodated recording medium. One of the recording medium groups 2 includes a diagnostic recording medium 7 for diagnosing the replaced drive in the drive group 3.

  The host computer 4 includes a sending address indicating a first storage area in which the one recording medium is stored and a receiving address indicating a second storage area among a plurality of addresses in the plurality of storage areas. Send a media transport command. The accessor 5 receives the recording medium conveyance command. At this time, the accessor 5 takes out the one recording medium from the first storage area, transports it, and carries it in the second storage area.

In addition, when one drive in the drive group 3 is replaced, the host computer 4 includes a sending address indicating a diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored as a first storage area, A recording medium transport command including the above-mentioned replaced address representing the replaced drive is transmitted as two storage areas. The accessor 5 receives the recording medium conveyance command. At this time, the accessor 5 takes out the diagnostic recording medium 7 from the diagnostic recording medium storage area, conveys it, and stores it in the replaced drive.
The position of the receiving port (frontage) for the drive group 3 to store one recording medium differs depending on manufacturing variations. For this reason, when the accessor 5 houses the diagnostic recording medium 7 in the replaced drive, the accessor 5 does not collide or rub the recording medium with the replaced drive in the drive group 3. Position correction processing for recognizing the frontage position is performed. Further, when the diagnostic recording medium 7 is stored in the replaced drive, a diagnostic process is performed. In the diagnosis process, the drive reads and writes data to the stored diagnostic recording medium 7.

  In the recording medium library apparatus of the present invention, even if the drive is replaced, the host computer 4 transmits a recording medium conveyance command, so that the accessor 5 can continue the conveyance operation. For this reason, the worker can always perform a user operation such as a backup process for backing up data recorded on the recording medium or a batch process by the transfer operation.

  Further, in the recording medium library apparatus of the present invention, the recording medium transport instruction includes a sending side address indicating the first storage area and a receiving address indicating the second storage area. The sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored as the first storage area, and the receiving address represents the replaced drive as the second storage area. In this case, the diagnostic recording medium 7 is stored in the replaced drive. In this case, a diagnostic process in which the replaced drive reads and writes data in the diagnostic recording medium 7 can be performed during the transport operation.

  In the recording medium library apparatus of the present invention, the sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored as the first storage area, and the receiving address is the second storage area. When the exchanged drive is represented as an area, the accessor 5 performs a position correction process for recognizing the position of the front edge of the drive when the diagnostic recording medium 7 is stored in the exchanged drive. Can be implemented. Therefore, the recording medium can be stored in the drive without causing the accessor 5 to collide with or rub the recording medium with the drive.

  Such a recording medium library apparatus will be described in detail.

  FIG. 12 shows a plurality of storage areas of the storage shelf 1. The accessor 5 has an X direction positioning flag (X coordinate) for determining the position in the X direction and a Y direction positioning for determining the position in the Y direction perpendicular to the X direction in order to grasp the positions of the plurality of storage areas. A flag (Y coordinate) is used. The X-direction positioning flag includes flags X1, X2, X3... With the flag X0 as a reference. Flags X1, X2, X3... Represent the distance from the flag X0. The Y-direction positioning flag includes flags Y1, Y2, Y3,... Based on the flag Y0. Flags Y1, Y2, Y3... Represent distances from the flag Y0.

  For example, the drive group 3 includes drives 3-1, 3-2, and 3-3. In this case, the storage area in which the drive 3-1 is mounted represents a quadrilateral having corners at coordinates (X4, Y1), (X4, Y4), (X5, Y1), (X5, Y4). The storage area in which the drive 3-2 is mounted represents a quadrilateral having corners at coordinates (X4, Y4), (X4, Y7), (X5, Y4), (X5, Y7). The storage area in which the drive 3-3 is mounted represents a quadrilateral having corners at coordinates (X4, Y7), (X4, Y10), (X5, Y7), (X5, Y10). The recording medium group 2 is stored in storage areas other than the storage area in which the drive group 3 is mounted. Among the storage areas in which the recording medium group 2 is stored, the diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored includes, for example, coordinates (X8, Y9), (X8, Y10), (X9, Y9). , (X9, Y10).

  FIG. 13 is a perspective view showing the configuration of the drive group 3. Each of the drive groups 3 includes a storage unit 31, a drive main body 30, and a barcode 32. The storage unit 31 corresponds to the opening provided in the drive main body 30 and stores one recording medium. The drive main body 30 reads / writes data from / to a recording medium stored in the storage unit 31. The bar code 32 is provided on the drive main body 30.

Before the drive group 3 is shipped, the barcode 32 holds installation position information indicating the position where the storage unit 31 is provided in the drive main body 30. In order for the accessor 5 to grasp the position of the storage unit 31, as the installation position information, a V direction positioning flag (V coordinate) for determining the position in the V direction and a position in the W direction perpendicular to the V direction are determined. A W direction positioning flag (W coordinate) is used. The V-direction positioning flag is based on the flag V0 and includes flags V1 and V2. Flags V1 and V2 represent distances from the flag V0. The W direction positioning flag is based on the flag W0 and includes flags W1 and W2. Flags W1 and W2 represent distances from the flag W0. In this case, the installation position information represents a quadrangle whose corners are coordinates (V1, W1), (V1, W2), (V2, W1), and (V2, W2).
The flags V0 and W0 are also a reference when the drive group 3 is mounted in the storage area after shipment. For example, the coordinates (V0, W0) in the drive 3-1 and the coordinates (X4, Y1) in the storage area Are stacked in the storage area so that they overlap.

  As shown in FIG. 14, the host computer 4 includes a control device 40 and a memory 42. The control device 40 includes a CPU (Central Processing Unit) 41. The memory 42 includes a computer program 43 to be executed by the CPU 41 and an address database 45. The computer program 43 includes a control unit 44. The operation of the control unit 44 will be described later. As shown in FIG. 15, the address database 45 includes a plurality of addresses associated with each of a plurality of storage areas and a plurality of status information indicating whether or not a recording medium is stored in each of the plurality of storage areas. And are stored.

  As shown in FIG. 14, the accessor 5 includes a hand unit 51, a position sensor 52, a barcode reader 53, and an accessor body 50. The hand unit 51 is provided in the accessor body 50 as shown in FIG. The barcode reader 53 is provided in the accessor body 50 or the hand unit 51, and is provided, for example, in the hand unit 51 as shown in FIG. The position sensor 52 is provided in the accessor body 50 or the hand unit 51, for example, provided in the hand unit 51 (not shown).

  As shown in FIG. 14, the accessor body 50 is equipped with a computer and includes an accessor control device 54 and a memory 56. The accessor control device 54 includes a CPU 55. The memory 56 includes a computer program 60 to be executed by the CPU 55 and a position coordinate database 70. The computer program 60 includes a position measurement control unit 61, a search control unit 62, a transmission side conveyance control unit 63, and a reception side conveyance control unit 64. The operation of the computer program 60 will be described later. As shown in FIG. 17, the position coordinate database 70 stores a plurality of addresses and a plurality of position information described later.

  Before shipment or after shipment, the control unit 44 of the host computer 4 refers to the address database 45 and transmits a plurality of position measurement instructions to the accessor 5 by the operator's operation. Each of the plurality of position measurement instructions includes a plurality of addresses, and represents the order in which the accessor 5 measures the positions of the plurality of storage areas. In this case, the position measurement control unit 61 of the accessor 5 controls the position sensor 52 so as to measure the positions of the plurality of storage areas, respectively, according to the plurality of position measurement instructions. Thereafter, the position measurement control unit 61 stores a plurality of addresses and a plurality of pieces of position information representing the respective positions of the plurality of storage areas in the position coordinate database 70.

For example, when the number of position measurement instructions is 84, the position measurement control unit 61 stores the address included in the first position measurement instruction in the position coordinate database 70 in response to the first position measurement instruction. To do. The first storage area is a storage area in which one recording medium in the recording medium group 2 is stored. Thereafter, the position measurement control unit 61 controls the position sensor 52 to measure the position of the first storage area, and coordinates (X0, Y0), (X0, Y1), (X1, Y0) and (X1, Y1) are stored in the position coordinate database 70.
In response to the 42nd position measurement instruction, the position measurement control unit 61 stores the address included in the 42nd position measurement instruction in the position coordinate database 70. The forty-second storage area is a storage area in which the drive 3-1 in the drive group 3 is mounted. Thereafter, the position measurement control unit 61 controls the position sensor 52 to measure the position of the forty-second storage area, and coordinates (X4, Y1), (X4, Y4), (X5, Y1) and (X5, Y4) are stored in the position coordinate database 70.
The position measurement control unit 61 stores the address included in the final position measurement instruction in the position coordinate database 70 in response to the final position measurement instruction. The final storage area is a diagnostic recording medium storage area in which the diagnostic recording medium 7 of the recording medium group 2 is stored. Thereafter, the position measurement control unit 61 controls the position sensor 52 so as to measure the position of the final storage area, and coordinates (X8, Y9), (X8, Y10), ( X9, Y9) and (X9, Y10) are stored in the position coordinate database 70.

  When the drive group 3 is mounted on the storage shelf 1 after shipment, the control unit 44 of the host computer 4 refers to the address database 45 and transmits three frontage position measurement instructions to the accessor 5 by the operator's operation. . The three frontage position measurement instructions each include the address of the storage area in which the drives 3-1 to 3-3 are mounted, and the order in which the accessor 5 measures the position of the storage unit 31 of the drives 3-1 to 3-3. Represents. In this case, the position measurement control unit 61 of the accessor 5 reads the installation position information held in the barcode 32 of each of the drives 3-1 to 3-3 according to the three frontage position measurement instructions. The code reader 53 is controlled. Thereafter, the position measurement control unit 61 stores the storage units of the drives 3-1 to 3-3 based on the drive position information that is the position information of the drives 3-1 to 3-3 and the three installation position information, respectively. Three pieces of correction position information representing 31 accurate positions are generated. The position measurement control unit 61 stores the three corrected position information as the drive position information of the drives 3-1 to 3-3 in the position coordinate database 70 in association with the addresses of the drives 3-1 to 3-3. To do.

  For example, the position measurement control unit 61 controls the barcode reader 53 so as to read the installation position information held in the barcode 32 of the drive 3-1 in response to the first frontage position measurement instruction. The read installation position information is coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2). Thereafter, the position measurement control unit 61 reads the drive position information of the drive 3-1 from the position coordinate database 70, and the storage unit 31 of the drive 3-1 based on the drive position information and the read installation position information. The corrected position information representing the accurate position of is generated. As described above, the flags V0 and W0 are also references when the drive group 3 is mounted in the storage area after shipment. For this reason, the position measurement control unit 61 adds the coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2) of the installation position information to the coordinates (X4, Y1) of the drive position information. Are added as coordinates (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1), and (X4 + V2, Y1 + W2) as correction position information. The position measurement control unit 61 stores the corrected position information in the position coordinate database 70 as drive position information of the drive 3-1, in association with the address of the drive 3-1.

When operating after shipment, the control unit 44 of the host computer 4 refers to the address database 45 and uses a format as shown in FIG. 18 to specify a first storage area in which a recording medium is stored. And a recording medium transport command including the receiving address TO designating the second storage area is transmitted to the accessor 5. The search control unit 62 of the accessor 5 receives the recording medium conveyance command. At this time, the search control unit 62 refers to the position coordinate database 70, and from among the plurality of pieces of position information, the sending side position information corresponding to the sending side address FROM, and the receiving side position information corresponding to the receiving side address, Search for. The sending side conveyance control unit 63 of the accessor 5 controls the accessor body 50 so as to move to the position represented by the sending side position information (step S1 in FIG. 19).
Next, the sending side conveyance control unit 63 guides the hand unit 51 to the position indicated by the sending side position information and takes out the recording medium (step S2 in FIG. 19).

For example, the sending address does not represent the diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored as the first storage area (step S11-NO in FIG. 19). In this case, after the hand unit 51 takes out the recording medium, the receiving side conveyance control unit 64 of the accessor 5 controls the accessor body 50 so as to move to the position indicated by the receiving side position information (step S3 in FIG. 19). .
Next, the receiving side conveyance control unit 64 guides the hand unit 51 to the position represented by the receiving side position information, and puts (stores) the recording medium in the storage unit 31 of the drive 3-1 (step S4 in FIG. 19). .

  For example, the receiving side address represents the drive 3-1 as the second storage area, and the receiving side position information is the drive position information (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1) of the drive 3-1. ), (X4 + V2, Y1 + W2). In this case, in step S4, the receiving side conveyance control unit 64 guides the hand unit 51 to the position represented by the drive position information, and puts the recording medium into the storage unit 31 of the drive 3-1. As a result, the accessor 5 can store the recording medium in the storage unit 31 of the drive 3-1, without causing the recording medium to collide with or rub against the drive 3-1.

  For example, the sending address represents the drive 3-1 as the first storage area, and the sending position information is the drive position information (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1) of the drive 3-1. ), (X4 + V2, Y1 + W2). In this case, in step S2, the sending side conveyance control unit 63 guides the hand unit 51 to the position represented by the drive position information and takes out the recording medium from the storage unit 31 of the drive 3-1. Thereby, the accessor 5 can take out the recording medium from the storage unit 31 of the drive 3-1 without causing the hand unit 51 to collide with or rub the drive 3-1.

When the drive 3-1 in the drive group 3 is replaced, the control unit 44 of the host computer 4 refers to the address database 45 and uses the format as shown in FIG. An accessor receives a recording medium transport command including a sending side address FROM representing a diagnostic recording medium housing area in which the recording medium 7 is housed and a receiving address TO representing the replaced drive 3-1 as the second housing area. Send to 5. The search control unit 62 of the accessor 5 receives the recording medium conveyance command. At this time, the search control unit 62 refers to the position coordinate database 70, and from among a plurality of pieces of position information, sends side position information corresponding to the sending side address FROM, receiving side position information corresponding to the receiving side address, and Search for. The sending side position information is diagnostic recording medium position information indicating the position of the diagnostic recording medium storage area. In this case, the search control unit 62 uses the coordinates (X8, Y9), (X8, Y10), (X9, Y9), (X9) as the diagnostic recording medium position information corresponding to the diagnostic address (sending address FROM). , Y10) is read from the position coordinate database 70. The receiving side position information is drive position information indicating the position of the replaced drive 3-1. In this case, the search control unit 62 uses coordinates (X4, Y1), (X4, Y4), (X5, Y1), (X5, Y4) as drive position information corresponding to the exchange address (receiving address TO). Read from the position coordinate database 70. Thereafter, the sending side conveyance control unit 63 of the accessor 5 controls the accessor body 50 so as to move to the position indicated by the sending side position information (diagnosis recording medium position information) (step S1 in FIG. 19).
Next, the sending side conveyance control unit 63 guides the hand unit 51 to the position indicated by the sending side position information (diagnosis recording medium position information) and takes out the diagnosis recording medium 7 (step S2 in FIG. 19).

  The above sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored as the first storage area (step S11-YES in FIG. 19). Further, the above-mentioned receiving-side address represents the replaced drive 3-1 as the second storage area, and the receiving-side position information is drive position information indicating the position of the replaced drive 3-1. Step S12-YES). In this case, after the hand unit 51 takes out the diagnostic recording medium 7, the receiving side conveyance control unit 64 of the accessor 5 recognizes that the position correction processing is executed based on the read drive position information, and the drive position information The accessor body 50 is controlled to move to the position represented by (step S13 in FIG. 19).

  In the position correction process, the receiving side conveyance control unit 64 controls the barcode reader 53 so as to read the installation position information held in the barcode 32 of the replaced drive 3-1 (step S14 in FIG. 19). . The read installation position information is coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2).

  In the position correction process, the receiving side conveyance control unit 64 determines the accurate position of the storage unit 31 of the drive 3-1 based on the drive position information of the replaced drive 3-1 and the read installation position information. The correction position information to be expressed is generated (step S15 in FIG. 19). As described above, the flags V0 and W0 are also references when the drive group 3 is mounted in the storage area after shipment. For this reason, the receiving side conveyance control unit 64 adds the coordinates (V1, W1), (V1, W2), (V2, W1), (V2, W2) of the installation position information to the coordinates (X4, Y1) of the drive position information. ) To generate coordinates (X4 + V1, Y1 + W1), (X4 + V1, Y1 + W2), (X4 + V2, Y1 + W1), (X4 + V2, Y1 + W2) as correction position information.

  In the position correction process, the receiving side conveyance control unit 64 stores the corrected position information in the position coordinate database 70 as drive position information of the drive 3-1, in association with the address of the replaced drive 3-1. Step S16 in FIG. 19).

  Next, the receiving side conveyance control unit 64 guides the hand unit 51 to the position represented by the drive position information, and puts (contains) the diagnostic recording medium 7 into the storage unit 31 of the replaced drive 3-1. 19 step S4). At this time, diagnostic processing is executed. In the diagnostic process, the replaced drive 3-1 reads and writes data to the diagnostic recording medium 7 stored in the storage unit 31.

  When the diagnostic recording medium 7 is returned to the diagnostic recording medium storage area which is the original storage location, the control unit 44 of the host computer 4 refers to the address database 45 and uses the format shown in FIG. A recording medium conveyance command including a sending address FROM representing the drive 3-1 in which the diagnostic recording medium 7 is accommodated as one storage area and a receiving address TO representing the diagnostic recording medium storage area as the second storage area. Transmit to accessor 5. In this case, the accessor 5 executes steps S1, S2, S11-YES, S12-NO, S3, and S4.

  As described above, according to the recording medium library apparatus of the present invention, even if the drive 3-1 is replaced, as shown in FIG. 20, the host computer 4 transmits the recording medium conveyance command. In response to the recording medium conveyance command, the conveyance operation can be continued. For this reason, the worker can always perform the user work (backup process, batch process) by the transfer work.

  Further, according to the recording medium library apparatus of the present invention, the recording medium transport instruction includes the sending side address FROM designating the first storage area and the receiving side address TO designating the second storage area. The sending side address represents the diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored as the first storage area, and the receiving side address represents the replaced drive 3-1 as the second storage area. In the case of the representation, the diagnostic recording medium 7 is stored in the replaced drive 3-1. In this case, a diagnostic process in which the replaced drive 3-1 reads / writes data from / to the diagnostic recording medium 7 can be performed during the transport operation.

  According to the recording medium library apparatus of the present invention, the sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium 7 is stored as the first storage area, and the receiving address is the first storage area. When the replaced drive 3-1 is represented as the two storage areas, the accessor 5 stores the diagnostic recording medium 7 in the replaced drive 3-1, when the storage unit 31 of the drive 3-1 is stored. The position correction process for recognizing the position of can be carried out during the transfer operation. Therefore, the accessor 5 can store the recording medium in the drive 3-1, without causing the recording medium to collide with or rub against the drive 3-1.

  Further, according to the recording medium library apparatus of the present invention, the accessor 5 automatically performs the position correction process and the diagnosis process, so that the burden on the operator can be reduced.

FIG. 1 is a block diagram showing a configuration of a magnetic tape library apparatus. (Conventional technology) FIG. 2 shows a plurality of storage areas of the storage shelf 101 in the magnetic tape library apparatus. (Conventional technology) FIG. 3 is a perspective view showing the configuration of the drive group 103 in the magnetic tape library apparatus. (Conventional technology) FIG. 4 is a block diagram showing the configuration of the device management unit 104 and the accessor 105 in the magnetic tape library device. (Conventional technology) FIG. 5 shows the address database 145 of the device management unit 104 in the magnetic tape library device. (Conventional technology) FIG. 6 shows a side view of the accessor 105 in the magnetic tape library apparatus. (Conventional technology) FIG. 7 shows a position coordinate database 170 of the accessor 105 in the magnetic tape library apparatus. (Conventional technology) FIG. 8 shows a magnetic tape medium transport command transmitted from the device management unit 104 in the magnetic tape library device. (Conventional technology) FIG. 9 is a flowchart showing the operation of the accessor 105 in the magnetic tape library apparatus. (Conventional technology) FIG. 10 is a timing chart showing the operation of the device management unit 104 in the magnetic tape library device. (Conventional technology) FIG. 11 is a block diagram showing the configuration of the recording medium library apparatus of the present invention. FIG. 12 shows a plurality of storage areas of the storage shelf 1 in the recording medium library apparatus of the present invention. FIG. 13 is a perspective view showing the configuration of the drive group 3 in the recording medium library apparatus of the present invention. FIG. 14 is a block diagram showing the configuration of the device management unit 4 and the accessor 5 in the recording medium library device of the present invention. FIG. 15 shows the address database 45 of the device management unit 4 in the recording medium library device of the present invention. FIG. 16 shows a side view of the accessor 5 in the recording medium library apparatus of the present invention. FIG. 17 shows the position coordinate database 70 of the accessor 5 in the recording medium library apparatus of the present invention. FIG. 18 shows a magnetic tape medium conveyance command transmitted from the apparatus management unit 4 in the recording medium library apparatus of the present invention. FIG. 19 is a flowchart showing the operation of the accessor 5 in the recording medium library apparatus of the present invention. FIG. 20 is a timing chart showing the operation of the device management unit 4 in the recording medium library device of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Storage shelf 2 Magnetic tape medium group 3 Drive group 3-1, 3-2, 3-3 Drive 4 Device management part 5 Accessor 6 Rail 30 Drive main body 31 Storage part 32 Barcode 40 Control apparatus 41 CPU
42 Memory 43 Computer Program 44 Control Unit 45 Address Database 50 Accessor Body 51 Hand Unit 52 Position Sensor 53 Barcode Reader 54 Accessor Control Device 55 CPU
56 memory 60 computer program 61 position measurement control unit 62 search control unit 63 sending side conveyance control unit 64 receiving side conveyance control unit 70 position coordinate database 101 storage shelf 102 magnetic tape medium group 103 drive groups 103-1, 103-2, 103 -3 Drive 104 Device management unit 105 Accessor 106 Rail 130 Drive body 131 Storage unit 132 Barcode 140 Control device 141 CPU
142 Memory 143 Computer Program 144 Control Unit 145 Address Database 150 Accessor Body 151 Hand Unit 152 Position Sensor 153 Bar Code Reader 154 Accessor Control Device 155 CPU
156 Memory 160 Computer program 161 Position measurement control unit 162 Normal mode search control unit 163 Normal mode sending side transfer control unit 164 Normal mode receiving side transfer control unit 165 Maintenance mode search control unit 166 Maintenance mode execution control unit 170 Position coordinate database

Claims (10)

A storage shelf comprising a plurality of storage areas;
A recording medium group stored in a part of the plurality of storage areas;
A drive group mounted on another part of the plurality of storage areas, storing one recording medium of the recording medium group, and reading / writing data to the stored recording medium;
Of the plurality of addresses in the plurality of storage areas, a recording medium conveyance command including a sending address indicating a first storage area in which the one recording medium is stored and a receiving address indicating a second storage area is transmitted. A host computer to
An accessor for taking out and transporting the one recording medium from the first storage area and storing it in the second storage area when receiving the recording medium transport instruction;
One of the recording medium groups includes a diagnostic recording medium for diagnosing the replaced drive in the drive group,
The sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium is stored as the first storage area, and the receiving address serves as the second storage area for the replaced drive. When representing
When the accessor receives the recording medium transport command, the accessor takes out the diagnostic recording medium from the diagnostic recording medium storage area, transports it, and stores it in the replaced drive. The accessor is
The accessor body,
A hand portion provided in the accessor body,
The accessor body is
A memory in which the plurality of addresses and a plurality of pieces of position information representing respective positions of the plurality of storage areas are stored;
When receiving the recording medium conveyance command, referring to the memory, from the plurality of pieces of position information, sending-side position information corresponding to the sending-side address and receiving-side position information corresponding to the receiving-side address A search control unit for searching for and
Controlling the accessor body so as to move to the position represented by the sending side position information, and guiding the hand unit to the position represented by the sending side position information to take out the one recording medium; and
After the hand unit has taken out the one recording medium, the accessor body is controlled to move to the position represented by the receiving side position information, and the hand unit is guided to the position represented by the receiving side position information. The recording medium library apparatus according to claim 1, further comprising a receiving-side conveyance control unit that stores one recording medium. Each of the drive groups
A drive unit for storing the one recording medium, and reading / writing data to / from the recording medium stored in the storage unit;
A barcode which is provided in the drive body and holds installation position information indicating a position where the storage portion is provided in the drive body;
The accessor is
A bar code reader provided on the accessor body or the hand unit;
The sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium is stored as the first storage area, and the receiving address serves as the second storage area for the replaced drive. And the receiving side position information is drive position information indicating the position of the replaced drive,
The receiving side conveyance control unit
After the hand unit has taken out the diagnostic recording medium, the accessor body is controlled to move to the position represented by the drive position information,
Controlling the barcode reader to read the installation position information held in the barcode of the replaced drive;
Based on the drive position information and the installation position information, generate corrected position information representing the exact position of the storage unit of the replaced drive,
Storing the corrected position information in the memory as the drive position information;
The recording medium library apparatus according to claim 2, wherein the hand unit is guided to a position represented by the correction position information, and the diagnostic recording medium is stored in the storage unit of the replaced drive. The recording medium library apparatus according to claim 1, wherein the recording medium group is a magnetic tape. The recording medium library apparatus according to claim 1, wherein the recording medium group is an optical disk. A storage shelf having a plurality of storage areas; a recording medium group stored in a part of the plurality of storage areas; and a part of the plurality of storage areas. Recording comprising: a drive group that stores one of the recording media, reads / writes data from / to the stored recording medium, a host computer that transmits a recording medium conveyance command, and an accessor equipped with the computer A computer program that is applied to a media library device and that executes the accessor,
The recording medium transport command includes a sending address indicating a first storage area in which the one recording medium is stored and a receiving address indicating a second storage area among a plurality of addresses in the plurality of storage areas. Including
When receiving the recording medium transport instruction, the recording medium is taken out from the first storage area, transported, and stored in the second storage area.
One of the recording medium groups includes a diagnostic recording medium for diagnosing the replaced drive in the drive group,
The sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium is stored as the first storage area, and the receiving address serves as the second storage area for the replaced drive. When representing
A computer program that, when receiving the recording medium conveyance command, causes the accessor to further execute the steps of taking out the diagnostic recording medium from the diagnostic recording medium storage area, transporting it, and storing it in the replaced drive. The accessor comprises an accessor body and a hand portion provided on the accessor body,
The accessor body includes a memory in which the plurality of addresses and a plurality of pieces of position information representing the respective positions of the plurality of storage areas are stored.
When receiving the recording medium conveyance command, referring to the memory, from the plurality of pieces of position information, sending-side position information corresponding to the sending-side address and receiving-side position information corresponding to the receiving-side address Searching for and
Controlling the accessor body to move to a position represented by the sending side position information, and guiding the hand unit to a position represented by the sending side position information to take out the one recording medium;
After the hand unit has taken out the one recording medium, the accessor body is controlled to move to the position represented by the receiving side position information, and the hand unit is guided to the position represented by the receiving side position information. The computer program according to claim 6, further causing the accessor to execute a step of storing one recording medium. Each of the drive groups is provided with a storage unit that stores the one recording medium, a drive main body that reads / writes data to / from the recording medium stored in the storage unit, the drive main body, A barcode that holds installation position information indicating a position where the storage unit is provided in the drive body;
The accessor further comprises a barcode reader provided in the accessor body or the hand part,
The sending address represents the diagnostic recording medium storage area in which the diagnostic recording medium is stored as the first storage area, and the receiving address serves as the second storage area for the replaced drive. And the receiving side position information is drive position information indicating the position of the replaced drive,
Controlling the accessor body to move to a position represented by the drive position information after the hand unit has taken out the diagnostic recording medium;
Controlling the barcode reader to read the installation position information held in the barcode of the replaced drive;
Based on the drive position information and the installation position information, generating corrected position information representing an accurate position of the storage unit of the replaced drive;
Storing the corrected position information in the memory as the drive position information;
The computer program according to claim 7, wherein the computer further causes the accessor to execute a step of guiding the hand unit to a position represented by the correction position information and storing the diagnostic recording medium in the storage unit of the replaced drive. . The computer program according to claim 6, wherein the recording medium group is a magnetic tape. The computer program according to claim 6, wherein the recording medium group is an optical disk.

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