JPH0528440A - Head cleaning method for flexible disk device - Google Patents

Abstract

PURPOSE:To clean a flexible disk device without interrupting an online data processing by operating in parallel a cleaning processing and the data processing of an online data processor at the time of executing of the flexible disk device. CONSTITUTION:By a cleaning processing part 15, a motor driving time is counted from the start of cleaning operation, when the time up is detected, the stop of the motor of the flexible disk device 2 is instructed to a flexible disk processing part 16, the end of the cleaning operation is informed to a panel processing part 14. A maintenance person knows the end of the cleaning by the display of the end of the cleaning and exchanges the flexible disk 4 for cleaning with the flexible disk 3 and passes an end switch. Then, the end of the cleaning is informed to an error log processing part 11, and the memory writing process of error information is returned to a flexible disk writing process. Thus, since a repeat processing part 13 is started by a scheduler 10 even while processing the cleaning, the head is cleaned without interrupting the online data processing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head cleaning method for a flexible disk device provided in an online data processing device, and in particular, a cleaning flexible disk is set in a flexible disk device provided in the online data processing device. The present invention relates to a head cleaning method for a flexible disk device for cleaning the head of the flexible disk device.

[0002]

2. Description of the Related Art Conventionally, in order to prevent a system stop caused by a flexible disk error, a flexible disk for cleaning a head is set in a flexible disk device to clean the head. As a result, it is possible to prevent a flexible disk error due to head contamination. However, in such a cleaning method, the processing of the data processing device is interrupted during cleaning,
It is necessary to start the cleaning program and perform head cleaning.

Further, as a method of preventing a system stop caused by another flexible disk error, for example, the invention disclosed in Japanese Patent Laid-Open No. 61-145625 and the invention disclosed in Japanese Patent Laid-Open No. 61-832. Exists. In these inventions, the number of times data is read from the flexible disk is counted and the flexible disk replacement time is notified.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a technique for performing head cleaning using a cleaning flexible disk, among the methods for preventing the system stop due to the above flexible disk error.

In the above-described conventional head cleaning technique using the cleaning flexible disk, no consideration is given to head cleaning in an online data processing device such as a communication relay device whose processing cannot be easily interrupted. That is, in such an online data processing device,
There is a problem that the head cleaning must be performed when the online is not used, or the online must be temporarily stopped to clean the head, which limits the maintenance time.

Further, when the online cannot be temporarily stopped, the only method is to operate the apparatus without cleaning the head, which may result in a flexible disk error due to the head contamination.

The present invention has been made in view of the above-mentioned problems of the prior art, and it is a flexible structure that enables head cleaning of a flexible disk drive without suspending online data processing of the online data processing device. An object is to provide a head cleaning method for a disk device.

[0008]

According to a method of cleaning a head of a flexible disk device of the present invention, a cleaning flexible disk is set in a flexible disk device provided in an online data processing device, and the head of the flexible disk device is cleaned. In particular, when cleaning the flexible disk device, the flexible disk device cleaning process and the data processing in the online data processing device are operated in parallel under the same schedule, and the flexible disk device is not interrupted. It is characterized by cleaning.

[0009]

According to the present invention, since the head cleaning process and the online data process operate in parallel, the head cleaning of the flexible disk device can be performed without suspending the data process of the online data processing device. Therefore, maintenance can be facilitated.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the embodiments shown in the accompanying drawings. FIG. 1 is an external view of a communication relay device to which the present invention is applied. As illustrated, the communication relay device 1 includes a flexible disk device 2. Normally, the normal relay device 1 reads a program or data that should be resident in the memory from the flexible disk 3 when the power is turned on, and loads the program or data into the memory (not shown) in the normal relay device 1. The communication relay device 1 is operated by the program loaded in the memory, and periodically performs a process of writing the error statistical information and the error detailed information in the flexible disk 3.

FIG. 2 is a diagram showing an example of the structure of a program loaded in the memory in the communication relay device 1. Various processing units are connected to the scheduler 10.
That is, the error log processing unit 11 writes the error statistical information and the error detailed information into the flexible disk 3. Further, the relay processing unit 13 performs communication relay processing. The panel processing unit 14 processes the display panel 5 and switch information. The cleaning processing unit 15 performs processing for cleaning the head.
The flexible disk processing unit 16 controls the cleaning processing unit 15 and the flexible disk device 2. Each of these processing units 11, 13, 14, 15, 16 is configured to be able to perform parallel processing. Also,
A memory 12 is connected to the error log processing unit 11 and stores information regarding an error that occurred during the cleaning operation.

In the embodiment shown in FIGS. 1 and 2, the flexible disk 3 is set in the flexible disk device 2 in order to write error information to the flexible disk 3 periodically while the communication relay device 1 is in operation. .

Next, the processing for cleaning the head of the flexible disk device 2 will be described. When the maintenance person starts the head cleaning and depresses the start switch 6A of the communication relay device 1, the panel processing unit 14 notifies the error log processing unit 11 of the cleaning preparation. The error log processing unit 11 switches the flexible disk writing process of error information to writing to the memory 12, and notifies the panel processing unit 14 of the completion of preparation. This is because the error information of an error that has occurred during head cleaning is held in the memory 12 and written to the flexible disk 3 after cleaning is completed. Next, the panel processing unit 14 displays a character indicating that the preparation is completed on the display panel 5. The maintenance person visually recognizes this, swaps the flexible disk 3 and the cleaning flexible disk 4, and further presses the set switch 6B provided in the communication relay device 1. The panel processing unit 14 detects the pressing of the set switch 6B and instructs the cleaning processing unit 15 to perform head cleaning. The cleaning processing unit 15 instructs the flexible processing unit 16 to drive the motor of the flexible disk device 2 for head cleaning.

When the sweep processing section 15 counts the motor drive time from the start of the cleaning operation and detects the time up,
The flexible disk processing unit 16 is instructed to stop the motor of the flexible disk device 2, and the panel processing unit 14 is notified of the end of the cleaning operation. As a result, the panel processing unit 14 causes the display panel 5 to display a character indicating the end of cleaning. The maintenance person knows from this display that the head cleaning is completed, replaces the cleaning flexible disk 4 with the flexible disk 3, and presses the end switch 6C. By pressing the end switch 6C, the panel processing unit 14
Notifies the error log processing unit 11 of the end of cleaning, and the error log processing unit 11 returns the error information memory writing process to the flexible disk writing process. At this time, memory 1
If the error information is stored in 2, the information is written in the flexible disk 3.

Although the dedicated switches 6A, 6B and 6C are provided in the above embodiment, the present invention is not limited to this, and for example, the panel switch provided in the data processing device is switched. It is also possible to use.

According to this embodiment, the relay processing unit 13 is activated by the scheduler 10 even during the cleaning process, so that the head can be cleaned without interrupting the online data processing.

[0017]

According to the present invention, in an online data processing device such as a communication relay device in which processing cannot be easily interrupted, the head cleaning of a flexible disk device provided in the online data processing device is relayed. It becomes possible to carry out while the process is being executed. Therefore, in the prior art, the head cleaning can be carried out only when it is not used online, such as on a holiday or at night, but the present invention makes it possible at any time and has the effect of facilitating the maintenance schedule.

[Brief description of drawings]

FIG. 1 is an external view of a communication relay device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing the structure of a program in the communication relay device shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 communication relay device, 2 flexible disk device, 3 flexible disk, 4 flexible disk for cleaning, 5 display panel, 10 scheduler, 11 error log processing unit 12 memory 13 relay processing unit, 14 panel processing unit, 15 cleaning processing unit, 16 Flexible disk processing unit.

Claims (1)

Claim: What is claimed is: 1. A head cleaning method for a flexible disk device, wherein a cleaning flexible disk is set in a flexible disk device provided in an online data processing device to clean the head of the flexible disk device. When performing the cleaning of the flexible disk device, the cleaning process of the flexible disk device and the data processing of the online data processing device are performed in parallel, and the flexible disk device is cleaned without interrupting the online data processing. And a method for cleaning a head of a flexible disk device.