JPH09222959A - Optical disk mount system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mount system for automatically selecting/deciding a unit to mount an optical disk medium onto an assembly type optical disk device. SOLUTION: A rack number retrieving means 21 at a mount unit deciding device 20 retrieves an optical disk medium name applied from a host processor 10 from an assembly optical disk control file and possesses a rack number showing a storage place in a storage part 31 of an assembly type optical disk device 30. For each unit of the device 30, a unit condition extraction and storage means 24 stores medium mount time and the number of times of utilization corresponding to this unit. Based on the medium mount time and the number of times of utilization stored in the unit condition extraction and storage means 24, a utilization frequency retrieving means 22 extracts the unit having the lowest frequency of utilization. When there are plural units extracted by the utilization frequency retrieving means 22, the unit having the oldest medium mount time is extracted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disc mounting system, and more particularly to an optical disc mounting system for automatically determining a mount target unit of a collective type optical disc device.

[0002]

2. Description of the Related Art A conventional optical disk mounting system has a medium designating means for deciding a medium to be mounted and a shelf number searching means for extracting a location where the optical disk medium is stored in a storage section in a collective type optical disk device. A mount unit having a mount processing device and a shelf capable of storing a plurality of optical disc media, a unit unit for loading and unloading the optical disc medium into a predetermined unit of a plurality of units to perform a predetermined process, and a storage unit And a moving unit for moving the optical disc medium between the unit units.

In order to mount an optical disc medium on the collective type optical disc device, the medium designation means determines the optical disc medium to be mounted, and the shelf number search means extracts the shelf number in which the optical disc medium is stored.
Since the mount processing device does not have means for managing the usage status of the unit section of the collective optical disk apparatus, the collective optical disk can be designated by designating an arbitrary unit number without considering the usage status of the unit section of the collective optical disk apparatus. Will issue a command to the device.

[0004]

The first problem is that since the host device does not know the usage status of the unit portion for determining the unit, there is no basis for determining the unit to mount the optical disk medium. For example, if each client on the network has unit decision logic,
Since the information that one client has mounted is not notified to other clients, the information held by each client cannot be said to be accurate, and it is necessary to continue issuing commands to the aggregate optical disk device many times. This means that the host processor is burdened.

The reason is that neither the mount processing device side nor the collective type optical disk device side has a means for judging the utilization status of the unit part of the collective type optical disk device.

The second problem is that not all clients on the network can effectively utilize the collective type optical disk device.

The reason is that there is no function used in the network environment.

[0008]

SUMMARY OF THE INVENTION It is an object of the present invention to eliminate such drawbacks and provide an optical disc mounting system capable of automatically selecting / determining a unit for mounting an optical disc medium on a collective type optical disc device. is there.

Therefore, (1) the optical disc mounting method of the present invention stores a plurality of optical disc media, accesses the optical disc media, moves the optical disc media, loads and unloads a predetermined unit of a plurality of units, and performs a predetermined process. A collective optical disc device having a function of performing the above, an upper processing device for designating the optical disc medium to be mounted, and a storage location of the optical disc medium to be mounted are searched by the instruction of the upper processing device to determine which unit among a plurality of units to mount. And a mount unit determining device, the mount unit determining device grasps the unit status of the unit to be mounted in the collective optical disc device, and the upper processing device controls so as to be aware of only the optical disc medium. . (2) The optical disc mounting method of the present invention has a function of storing a plurality of optical disc media, accessing the optical disc medium, moving the optical disc medium, and loading / unloading to / from a predetermined unit of a plurality of units to perform a predetermined process. A collective optical disc device, a host processor for designating an optical disc medium to be mounted, and a function for communicating with the host device are searched for a storage location of the optical disc medium to be mounted in accordance with an instruction from the host processor, and which of the plurality of units is to be searched. It is equipped with a mount unit deciding device that decides whether to mount in a unit, the mount unit deciding device centrally manages the unit status of the optical disc device, and by using it in a network environment, all clients on the network are a collective type. The feature is that the optical disk device can be effectively used. It is a sign. (3) The optical disc mounting method of the present invention is based on the above (1),
The mount unit determining device of (2) uses a mount request medium name given from the host processor to search for a storage location of the storage unit in the collective optical disc device, and a shelf number search means for storing the optical disc device in the collective optical disc device. Unit status extraction and storage means for storing the time and number of times the optical disk medium is mounted for each of the plurality of units,
Usage frequency search means for determining which unit is available from a plurality of unit parts in the collective optical disk device through the unit status extraction / storage means, and which unit should be used when there are a plurality of available units? It is characterized by having a mount time search means for judging whether it is good or not based on the mount time of the unit status extraction storage means.

When the optical disk medium name requested to be mounted is given from the host process, it is detected which storage rack in the collective optical disk device the optical disk medium is stored in.

Next, based on the usage status of each unit of the collective optical disk device, it is determined that the least frequently used unit is the optimum unit.

However, when there are a plurality of units that are used infrequently, it is determined that the unit mounted on each unit is the most suitable unit for mounting the unit with the oldest mounted time. To do.

[0013]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing the first embodiment of the optical disk mounting system of the present invention.

The optical disk mounting method according to the first embodiment includes a host processing device 10, a mount unit determining device 20, and a collective type optical disk device 30.

The host processor 10 comprises a medium designating means 11.

The mount unit determination device 20 comprises a shelf number search means 21, a usage frequency search means 22, a mount time search means 23, and a unit status extraction storage means 24.

Further, the collective type optical disk device 30 is provided with a housing portion 31, a unit portion 32, and a moving portion 33.

In such an optical disc mounting system,
The medium designating means 11 of the higher-level processing device 10 designates an optical disc medium name to be mounted on the unit section 32 of the collective type optical disc device 30.

The shelf number searching means 21 of the mount unit determining device 20 searches the collective optical disk control file for the optical disk medium name given by the host processor 10.
The shelf number indicating the location stored in the storage unit 31 of the collective optical disc device 30 is acquired. The unit status extraction / storage means 24 stores the medium mount time and the number of uses for each unit of the collective optical disc device 30. The usage frequency search unit 22 extracts the unit with the lowest usage frequency based on the medium mount time and the number of uses stored in the unit status extraction / storage unit 24. The mount time search means 23 extracts the unit with the oldest medium mount time when there are a plurality of units extracted by the usage frequency search means 22.

A housing portion 31 of the collective type optical disk device 30.
Stores a plurality of optical disc media inside a collective type optical disc device. The unit section 32 accesses the optical disc medium. The moving unit 33 moves the optical disk medium between the storage unit 31 and the unit unit 32.

Next, the operation of this embodiment will be described with reference to FIG.
This will be described with reference to FIG.

FIG. 2 is a flow chart for explaining the operation of the optical disc mounting method of the first embodiment.

First, the mount unit determining device 2 of FIG.
At 0, processing is performed according to the flowchart shown in FIG. When the shelf number search means 21 receives the optical disk medium name from the higher-level processing device 10, it searches for the optical disk medium name in the collective optical disk control file, and the shelf indicating the location stored in the storage unit 31 in the collective optical disk device 30. The number is acquired (S2), and it is checked whether the optical disk medium is already mounted on the unit section 32 of the collective optical disk device 30 (S3).

If the optical disk medium is already mounted, the number of uses of the unit status extraction / storing means 24 is increased by 1 and the number of uses of the optical disk medium of the aggregate optical disk control file is increased by 1 (S8) to extract and store the unit status. The current time is set to the medium mount time of the means 24 (S9).

If the optical disc medium is not mounted in S3, the unit with the smallest number of units used in the unit status extraction / storage means 24 is searched and the optimum unit candidate to be mounted is selected (S4). It is checked whether or not there are a plurality (S5).

When there are a plurality of selected units, the mount time searching means 23 searches for a unit having the earliest mounted time, and sets the unit as the mount optimum unit (S6).

When the unit to be mounted is determined, a mount command is issued to the collective optical disk device to mount the medium (S7).

Next, a second embodiment of the present invention will be described with reference to the drawings.

FIG. 3 is a block diagram showing a second embodiment of the optical disk mounting system of the present invention.

In the optical disk mounting method of FIG. 3, a plurality of host processors 40 with a communication function, a mount unit determining device 50 with a communication function, and a collective type optical disk device 30.
And

By communicating between the mount unit determining device 50 as a server and the host processing device 40 on the network as a client, the collective optical disk device 30 can be effectively used by all the clients on the network. Here, the medium designating means 41
The shelf number search means 51 has a communication function.

[0033]

The first effect is that the load on the host processor can be reduced.

The reason for this is that by providing a device that completely grasps the unit status of the collective type optical disc device, the upper processing device only needs to be aware of the optical disc medium, and leaves the unit to be mounted to the mount unit determining device. Because it's okay.

The second effect is that all clients on the network can effectively utilize the collective type optical disk device by using it in the network environment.

The reason is that the mount unit determining device can centrally manage the unit status of the collective type optical disk device.

[Brief description of drawings]

FIG. 1 is a block configuration diagram showing a first embodiment of an optical disk mounting system of the present invention.

FIG. 2 is a flowchart for explaining the operation of the optical disc mounting method according to the first embodiment.

FIG. 3 is a block configuration diagram showing a second embodiment of an optical disc mounting system of the present invention.

[Explanation of symbols]

 10, 40 Upper processing device 20, 50 Mount unit determining device 30 Collective type optical disk device 11, 41 Medium designating means 21, 51 Shelf number searching means 22 Usage frequency searching means 23 Mount time searching means 24 Unit status extracting and storing means 31 Storage section 32 unit part 33 moving part

Claims (3)

[Claims] 1. A collective type optical disc apparatus having a function of storing a plurality of optical disc media, accessing the optical disc medium, moving the optical disc medium, loading / unloading the optical disc medium to a predetermined unit of a plurality of units, and performing a predetermined process. A host processor for designating an optical disk medium to be mounted, and a mount unit determining device for locating a storage location of the optical disk medium to be mounted and deciding in which unit among a plurality of units the mount is to be performed in accordance with an instruction from the host processor. An optical disk mounting method, wherein the mount unit determination device grasps a unit status of a unit to be mounted in the collective optical disk device, and the upper processing device controls so as to be aware of only the optical disk medium. 2. A collective type optical disc device having a function of storing a plurality of optical disc media, accessing the optical disc medium, moving the optical disc medium, loading / unloading to / from a predetermined unit of a plurality of units and performing a predetermined process. And a unit having a function of communicating between a higher-level processing device that specifies an optical disk medium to be mounted and the higher-level device, and searching for a storage location of the optical disk medium to be mounted according to an instruction from the higher-level processing device. A mount unit determining device for determining whether to mount the optical disc device, wherein the mount unit determining device centrally manages the unit status of the collective optical disc device,
An optical disk mounting method that allows all clients on the network to effectively use the collective optical disk device when used in a network environment. 3. The shelf number searching means for the mount unit determining device to search for a storage location of a storage unit in the collective optical disk device based on the mount request medium name given from the host processor, and the collective optical disk. Unit status extraction / storing means for storing the time and number of times the optical disk medium is mounted for each unit of the plurality of unit sections in the apparatus, and which unit among the plurality of unit sections in the collective optical disk apparatus can be used And a mount for determining which unit should be used when there are a plurality of available units based on the mount time of the unit status extraction and storage unit. 3. A time retrieving means is provided.
The optical disk mounting method described.