JP4850079B2 - Image processing apparatus, image processing apparatus control method, and failure prediction method - Google Patents

Description

  The present invention relates to an image processing apparatus, a control method for the image processing apparatus, and a failure prediction method for a disk storage device mounted on the image processing apparatus, and more particularly to a control mode of the disk storage device corresponding to vibration of the apparatus main body.

In recent years, there has been a tendency to digitize information, and image processing apparatuses such as printers and facsimiles used for outputting digitized information and scanners used for digitizing documents have become indispensable devices. Such an image processing apparatus is often configured as a multifunction machine that can be used as a printer, a facsimile, a scanner, or a copier by providing an imaging function, an image forming function, a communication function, and the like. In recent years, it has been known that such an image processing apparatus has an HDD (Hard Disk Drive), and improves convenience by storing output images and captured images. In such an image processing apparatus equipped with an HDD, in order to increase the reliability of the HDD as a storage device, diagnostic information is acquired from the storage status of the HDD, and the information stored in the HDD based on the diagnostic information A technique for copying to an HDD has been proposed (Patent Document 1).
JP 2005-303985 A

However, the HDD is a storage device that is extremely vulnerable to vibration, and is configured to mechanically operate, such as a carriage of a scanner that is an imaging device, a motor for a conveyance roller for conveying a sheet that is an image formation target, and a clutch. This is not a good environment for using an image processing apparatus including many parts. In particular, as the ppm value (page per minute), which is the number of paper transported per unit time (one minute), increases, the vibration of the image processing apparatus becomes more intense, which is contrary to the current situation where higher image processing speed is required. The problem arises.
As a specific problem, when an HDD is installed and operated in an image processing apparatus configured with a predetermined ppm value as a reference, the actual operation performance becomes lower than a predetermined ppm value. Has occurred. It has also been found that this problem can be solved by installing the HDD away from the image processing apparatus main body. When the access to the HDD is required in the image processing step, the vibration of the image processing apparatus main body affects the HDD. As a result, it is considered that the performance of the HDD is lowered, and as a result, the performance of the entire image processing apparatus is lowered. As a result of more specific analysis, after issuing a write command from the controller of the image processing apparatus to the HDD, it may take a longer time than usual until the HDD can start writing. Was found to occur at this timing.

This is considered to occur because the vibration generated in the image processing apparatus affects the HDD and the positioning of the head with respect to the recording disk medium is not completed inside the HDD. However, such a phenomenon does not always occur, and it is not possible to elucidate what component of the vibration generated in the image processing apparatus or at what timing the vibration is adversely affected on the HDD. Also, HDDs that are generally distributed in recent years do not notify the host device of specific internal processing until the write processing ends after receiving a write command from the host device and starting writing, Only a signal indicating the end of writing is transmitted to the outside.
In other words, when writing is stopped due to head misalignment detected during writing, or when the verification result of the written information is an error, it is designed to automatically perform retry processing and complete writing. Yes. Therefore, it is difficult to analyze at what timing of the apparatus vibration the error has occurred, and it is also difficult to take effective measures against the error due to the apparatus vibration.

On the other hand, when the technology for predicting the life of the HDD based on the number of retries in the HDD, the error rate, etc. is applied to the HDD installed in the image processing apparatus, the number of HDD retries and the error due to vibration generated in the image processing apparatus. Since the rate deteriorates, it may be impossible to diagnose the exact life of the HDD. That is, there is a possibility that the lifetime of the HDD is determined to be shorter than the accurate one due to the number of retries and the error rate deterioration caused by the apparatus vibration. Such problems are not limited to magnetic disk storage devices such as HDDs, but may be storage devices that write / read information using a storage head that operates relative to a rotating storage medium, such as an optical disk storage device. Can occur as well.
The present invention has been made in consideration of the above-described circumstances, and an object of the present invention is to enable failure analysis and reduction of a disk storage device due to device vibration in an image processing device equipped with the disk storage device. Another object of the present invention is to improve the accuracy of life prediction of a disk storage device mounted on an image processing apparatus.

In order to solve the above-mentioned problem, the invention according to claim 1 is an image processing apparatus equipped with a disk storage device, and detects vibration generated in the image processing apparatus and outputs a detection signal. A detection unit; a vibration detection control unit that generates vibration detection information based on an output signal of the vibration detection unit; and a disk storage that controls the disk storage device based on vibration detection information received from the vibration detection control unit. a device controller, was perforated, the vibration detection control unit generates information which the phase and the time axis of the cyclic vibration indicated by the output signal of the vibration detection unit is associated as the vibration detection information, The disk storage device control unit receives failure information in which a failure that has occurred in the disk storage device and an occurrence timing thereof are associated with each other. By associating with the time axis of the defect information, the phase of the periodic vibration corresponding to the timing when the defect occurs in the disk storage device is set and stored as a prohibition timing for prohibiting access to the disk storage device. When the periodic vibration phase indicated by the output signal of the vibration detection unit is set as the prohibition timing, access to the disk storage device is waited until the prohibition timing ends. .
According to a second aspect of the present invention, in the image processing apparatus according to the first aspect, the disk storage device controller is configured to determine a predetermined vibration generated in the image processing device based on the received vibration detection information. Whether to access the disk storage device is determined according to a frequency component.

The invention described in claim 3 is the image processing apparatus according to claim 2, wherein the disk storage device control unit, and when trouble occurs in the disk storage device, has occurred in the image processing apparatus The vibration frequency component of the image processing apparatus that contributes to the occurrence of a malfunction of the disk storage device is determined by collating with the vibration frequency component.
According to a fourth aspect of the present invention, in the image processing apparatus according to the third aspect , the disk storage control unit is configured to store the disk in a period during which the determined vibration frequency component is detected by the vibration detection unit. Access to the device is prohibited.
According to a fifth aspect of the present invention, in the image processing apparatus according to the third or fourth aspect , the disk storage device control unit accumulates defect information of the disk storage device and predicts the life of the disk storage device. A lifetime prediction control unit that performs the disk storage device that is generated during a period in which the determined vibration cycle timing or the determined vibration frequency component is detected by the vibration detection unit. The lifetime of the disk storage device is predicted by excluding the defect information.

According to a sixth aspect of the present invention, there is provided a method for controlling an image processing apparatus mounted with a disk storage device, wherein vibration generated in the image processing apparatus is detected and vibration detected in the image processing apparatus is detected. Generates information associating the detected periodic vibration phase with the time axis as vibration detection information, receives defect information associated with a defect occurring in the disk storage device and its occurrence timing, and By associating the time axis of vibration detection information with the time axis of the failure information, access to the disk storage device is prohibited from the phase of the periodic vibration corresponding to the timing at which the failure occurred in the disk storage device. Set as the prohibition timing to perform, and the phase of the periodic vibration detected by detecting the vibration generated in the image processing apparatus is When configured as stop timing, characterized by waiting to access the disk storage device until the prohibition time is completed.
According to a seventh aspect of the present invention, there is provided a failure prediction method for a disk storage device mounted in an image processing apparatus, wherein failure information of the disk storage device is accumulated and vibrations generated in the image processing apparatus are detected. In addition, information relating to the phase of the periodic vibration detected by the detection of vibration generated in the image processing apparatus and the time axis is generated as vibration detection information, and a fault occurring in the disk storage device and its occurrence timing Is associated with the time axis of the vibration detection information and the time axis of the defect information, and the vibration state of the image processing apparatus contributing to the occurrence of the defect in the disk storage device is determined. Specifying the accumulated defect information to the accumulated defect information after excluding the defect information in the identified vibration state from the accumulated defect information Zui it and performing failure prediction of the disk storage device.

According to the present invention, in an image processing apparatus equipped with a disk storage device, failure analysis and reduction of the disk storage device due to device vibration can be performed.
In addition, it is possible to improve the accuracy of the life prediction of the disk storage device mounted on the image processing apparatus.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
According to the present invention, in an image processing apparatus equipped with an HDD as a disk storage device, a vibration component generated in the image processing apparatus main body is detected, and the apparatus is controlled based on the detected vibration.
[Example 1]
The present embodiment detects vibration of the image processing apparatus main body, records specific processing of the HDD mounted in the image processing apparatus, and collates both to analyze the occurrence of an error in the HDD with respect to the apparatus vibration and to deal with the error. Execute. First, the overall configuration of the image processing apparatus according to the present embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view illustrating an appearance of an image processing apparatus 100 according to the present embodiment, and FIG. 2 is a block diagram illustrating an overall configuration of the image processing apparatus 100 according to the present embodiment. As shown in FIG. 2, the image processing apparatus 100 according to this embodiment includes a CPU 101, a memory 102, an HDD 103, a ROM 104, a host I / F 105, a paper feed tray 106, a print engine 107, a paper discharge tray 108, a scanner 109, and a display. A panel 110, a vibration detection device 111, and a system bus 112 are included. In FIG. 2, the electrical connection is indicated by solid arrows, and the flow of paper used for printout is indicated by broken arrows.

The memory 102 is generally constituted by a volatile memory such as a DRAM. A control program such as firmware stored in the ROM 104 is loaded into the memory 102, and a control unit is configured to control the operation of the image processing apparatus 100 according to the control of the CPU 101. The ROM 104 is configured by a nonvolatile storage medium such as an EEPROM (Electronically Erasable and Programmable ROM), and stores various information used in the operation of the image processing apparatus 100 in addition to the above-described control program such as firmware. The HDD 103 is a disk storage device having a magnetic disk storage medium, and stores an address book, additional fonts, accumulated documents, and the like.
The host I / F 105 is an interface used when the image processing apparatus 100 communicates with other devices via a network. A print job transmitted from an external host device is input to the control unit of the image processing apparatus 100 via the host I / F 105, and print processing is executed under the control of the control unit. In the printing process, paper is pulled out from the paper feed tray 106, an image is formed on the paper by a print engine 107 as an image forming mechanism, and the paper is discharged onto the paper discharge tray 108. The scanner 109 is an image reading device that optically scans a reading object such as a document placed on a reading table to generate an electronic document. The scanner 109 includes a document placement tray 109a and an ADF (Auto Document Feeder) 109b, and the ADF 109b automatically transports a document placed on the document placement tray 109a onto a reading table. .

  The display panel 110 is an output interface that visually displays the state of the image processing apparatus 100, and is also an input interface when the user directly operates the image processing apparatus 100 as a touch panel. The vibration detection device 111 detects the vibration generated in the image processing apparatus 100 and outputs it to the control unit of the image processing apparatus 100. The vibration of the image processing apparatus 100 to be detected by the vibration detection device 111 includes vibration due to the operation of the ADF 109b included in the scanner 109, vibration due to the operation of the paper feed tray 106, the paper discharge tray 108, and other paper transport rollers, and printing. There is vibration due to the operation of the image forming mechanism included in the engine 107. These elements shown in FIG. 2 are connected via a bus 112. The block diagram shown in FIG. 2 is an example of the image processing apparatus 100, and it is not necessary that all the elements shown in FIG. 2 are connected to the same system bus 112. Moreover, you may have elements other than the component shown in FIG. 2, such as a communication apparatus at the time of operating as a facsimile.

Next, functional blocks of the image processing apparatus according to the present embodiment will be described with reference to FIG. As shown in FIG. 3, in the image forming process of the image processing apparatus 100, the firmware stored in the ROM 104 is loaded into the memory 102, and in conjunction with the CPU 101, the image processing control unit 121, the HDD control unit 122, and the vibration detection The control unit 123 is configured. In the functional block shown in FIG. 3, the image processing control unit 121 receives a print job received by the host I / F 105 from the host device 200 and generates drawing data based on the image data included in the print job. The image processing control unit 121 sequentially spools the generated drawing data to the HDD 103 via the HDD control unit 122 and inputs it to the print engine 107 to control the paper feed tray 106, the print engine 107, and the paper discharge tray 108. Execute image formation.
Further, the image processing control unit 121 controls the scanner 109 and stores the read data generated by the scanner 109 in the HDD via the HDD control unit 122 or transmits it to the host device 200 via the host I / F 105. When the image processing apparatus 100 operates as a copying machine, the image processing control unit 121 controls the paper feed tray 106, the print engine 107, and the paper discharge tray 108 based on the data generated by the scanner 109, thereby forming an image. Execute. The HDD control unit 122 controls access to the HDD 103 in the image processing apparatus 100 and receives information regarding the operation status of the HDD 103 from the HDD 103. The vibration detection control unit 123 controls the vibration detection device 111, analyzes the output signal of the vibration detection device 111, and transmits the analysis result to the HDD control unit 122.

Next, operations of the vibration detection device 111 and the vibration detection control unit 123 according to the present embodiment will be described. FIG. 4 is a graph illustrating an example of a result obtained by analyzing and graphing the signal output from the vibration detection device 111 by the vibration detection control unit 123. The horizontal axis in FIG. 4 represents time, and the vertical axis represents the deviation from the reference position (0 in the figure) of the acceleration sensor included in the image processing apparatus 100 or the vibration detection apparatus 111. The vibration generated in the image processing apparatus 100 is a vibration due to the operation of each part of the image processing apparatus as described above, and the period is about several m (sec) to several tens of m (sec). It is very different from the period. The vibration detection control unit 123 generates vibration analysis information as illustrated in FIG. 4 and inputs the vibration analysis information to the HDD control unit 122.
Next, operations of the HDD 103 and the HD control unit 122 according to the present embodiment will be described. The HDD 103 according to the present embodiment notifies the HDD control unit 122 of the contents whenever a problem occurs. FIG. 5 is a diagram showing a defect information table received and stored by the HDD control unit 122 from the HDD 103. As shown in FIG. 5, the HDD control unit 122 stores defect information received from the HDD 103 and its time stamp. The main failure events notified by the HDD 103 to the HDD control unit 122 include error rate deterioration, spin-up time deterioration, sector relocation, seek error rate deterioration, CRC error, write error, etc. Can be mentioned.

Next, failure information analysis by the HDD control unit 122 will be described. FIG. 6 is a graph in which the failure information received from the HDD 103 by the HDD control unit 122 is generated with the horizontal axis representing time and the vertical axis representing the failure occurrence level, with the vibration detection information described in FIG. 4 and the time axis aligned. FIG. Here, the failure occurrence level shown in FIG. 6 may be the number of occurrences of failure events shown in FIG. 5 or the total of failure values set for each failure event. In particular, for malfunction events that are likely to occur due to mechanical vibrations of the apparatus, such as seek error rate, by setting a malfunction value high, problems occurring in the HDD 103 and vibrations occurring in the image processing apparatus 100 are detected. Can be analyzed more accurately.
In the example of FIG. 6, it can be seen that the periodic vibration generated in the image processing apparatus 100 shows a high defect level in the vicinity of the timing at which the deviation from the reference position peaks. Therefore, in the case of the analysis result as shown in FIG. 6, the HDD control unit 122 sets the access prohibition timing T as shown in FIG. That is, before and after the timing at which the deviation from the reference position of the periodic vibration occurring in the image processing apparatus 100 peaks (before and after the timing at which the speed is reversed) is an access prohibition timing for prohibiting access to the HDD 103. Is stored in the HDD control unit 122. Thereafter, when access to the HDD 103 is instructed by an instruction of the image processing control unit 121, the HDD 103 is accessed while avoiding the access prohibition timing.

The operation of the HDD control unit 122 according to this embodiment will be described with reference to FIG. When the HDD control unit 122 receives an access command to the HDD 103 from the image processing control unit 121 (S801), the HDD control unit 122 determines whether there is an access prohibition timing (S802). If it is the access prohibition timing (S802), the HDD control unit 122 waits until the access prohibition timing ends (S803), executes the access (S804), and ends the processing. If the access command reception timing is not the access prohibition timing (S802), the access is executed as it is (S804), and the process is terminated.
As described above, in the image processing apparatus according to the present embodiment, the periodic vibration generated in the apparatus is detected, the timing of occurrence of the malfunction of the HDD is specified, and the malfunction is easily caused by collating the both. It is possible to suppress access to the HDD at the timing and to prevent the occurrence of problems due to periodic vibrations that occur in the apparatus.

  In the above description, an example has been described in which the HDD 103 notifies the HDD control unit 122 in real time whenever a problem occurs. However, for example, the HDD 103 records defect information, and the HDD control unit 122 However, analysis may be performed by reading it later. In this case, it is also necessary to store vibration detection information generated by the vibration detection control unit 123, and the HDD control unit 122 collates the defect information of the HDD 103 with the vibration detection information at a predetermined timing, and accesses prohibition timing. Set T and store.

In the above description, the HDD control unit 122 analyzes and stores the access prohibition timing, and controls access to the HDD 103 according to the access prohibition timing. However, the HDD control unit 122 does not necessarily need to analyze the access prohibition timing, and stores in advance information related to the access prohibition timing analyzed by the HDD installed in another device, and controls the HDD 103 according to the information. You may do it. Even in the same type of image processing apparatus or HDD, the vibration characteristics may vary depending on individual differences, and therefore, it is preferable that each image processing apparatus and HDD control unit independently analyze the access prohibition timing. .
In the above description, the HDD control unit 122 sets the access prohibition timing and then controls the HDD 103 according to the information. However, for example, in normal operation, the HDD 103 is accessed by setting the access prohibition timing. In the retry process after a write error occurs without performing control, the retry execution timing may be determined based on the vibration detection information when the write error occurs. In the above description, the HDD has been described as an example of the disk storage device, but another disk drive such as an optical disk drive may be used. Further, as an image processing apparatus, a multi-function machine having a scanner, a printer, and the like has been described as an example. However, an image imaging apparatus having only a scanner or an image forming apparatus having only a printer may be used.

[Example 2]
In the present embodiment, an example different from the first embodiment will be described for the analysis of the defect information. In addition, about the structure which attaches | subjects the code | symbol similar to Example 1, the same or equivalent part as Example 1 is shown, and description is abbreviate | omitted. In the first embodiment, the access prohibition timing is set by comparing the amount of positional deviation from the reference position of the image processing apparatus 100 corresponding to the time axis with the timing of occurrence of the malfunction. However, it may be difficult to detect the specific timing of the occurrence of the malfunction of the HDD 103 as shown in FIG. For example, there is a case where the resolution of the time stamp of the failure event shown in FIG. 5 is 1 (sec) or more. In such a case, the HDD control unit 122 can know only the period including the failure occurrence timing, not the specific timing at which the failure of the HDD 103 has occurred. Therefore, in the failure information analysis according to the present embodiment, as in the first embodiment, instead of the vibration cycle timing of the image processing device 100 at the failure occurrence timing of the HDD 103, the failure occurs in the image processing device 100 when the failure of the HDD 103 occurs. By analyzing the frequency component of the vibration that is present, the frequency component that contributes to the occurrence of the malfunction of the HDD 103 is determined. If vibration including the predetermined frequency component is occurring in the image processing apparatus 100, the HDD is accessed. Ban.

  The HDD control unit 122 according to the present embodiment analyzes the failure information received from the HDD 103 and identifies the engine in which the failure has occurred. For example, if the time stamp resolution of the failure occurrence table shown in FIG. 5 is 1 (sec), that 1 (sec) period is set as the failure occurrence period. In specifying the defect occurrence period, a period in which defects are concentrated may be specified as the defect occurrence period, and if one defect occurs, 1 (sec) of the time stamp thereof. The interval may be specified as the malfunction occurrence period. Further, as in the first embodiment, all defects may be detected, or only defects that are considered to occur due to vibration of the image processing apparatus 100 may be referred to.

  Next, the analysis of the frequency component in the malfunction occurrence period specified by the HDD control unit 122 will be described. FIG. 9 is a graph obtained by Fourier transforming the vibration detection information (graph as shown in FIG. 4) in the failure occurrence period specified by the HDD control unit 122. The frequency component included in the vibration detected by the vibration detection device 111 is shown in FIG. Show. In the example of FIG. 9, a peak can be confirmed at the frequency f1. The HDD control unit 122 records the frequency f1 as a failure occurrence frequency. The HDD control unit 122 repeats such an operation, accumulates information on the failure occurrence frequency, and determines a frequency component that is likely to contribute to the occurrence of the failure of the HDD 103 from the accumulated failure occurrence frequency information. The HDD control unit 122 stores the frequency component determined above as an access prohibition frequency. When the access prohibition frequency is included in the vibration detection information input from the vibration detection control unit 123 thereafter, the HDD control unit 122 accesses the HDD 103. Ban.

  As described above, by using the image processing apparatus according to the present embodiment, even when the resolution for identifying the timing of occurrence of a malfunction in the HDD is lower than the period of the periodic vibration generated in the image processing apparatus. , By identifying the frequency components that affect the occurrence of HDD failures, suppressing access to the HDD at the timing of occurrence of vibrations that contain frequency components that are likely to cause failures, Occurrence can be prevented. By using the HDD control method described in this embodiment in combination with the HDD control method in the first embodiment, both the frequency component and the periodic timing of the periodic vibration generated in the image processing apparatus are used. Therefore, access control to the HDD can be performed more suitably.

[Example 3]
In this embodiment, a method for predicting the lifetime of an HDD in an image processing apparatus equipped with the HDD will be described. In addition, about the structure which attaches | subjects the code | symbol similar to Example 1, the same or equivalent part as Example 1 is shown, and description is abbreviate | omitted. The HDD control unit 122 according to the present embodiment has a function of accumulating failure information of the HDD 103 and predicting a failure of the HDD 103 as shown in FIG. As a failure prediction method, for example, a threshold value is set for each item such as an error rate, a spin-up time, a sector relocate count, a seek error rate, a CRC error count, and a write error rate, and the threshold value is determined from the deterioration tendency. A known method for predicting the timing of exceeding (dividing) as the failure timing of the HDD 103 is used.
The HDD control unit 122 according to the present embodiment refers to the vibration detection information of the vibration detection control unit 123 when the known failure prediction method described above is used, or the access prohibition timing specified in the first or second embodiment or The failure information of the HDD 103 generated during the period when the access prohibition frequency is generated is ignored. When the failure prediction of the HDD 103 is performed from the CRC error count or the like, if the failure prediction is performed by counting the error generated by the vibration of the image processing apparatus 100 instead of the performance deterioration of the HDD 103 itself, the predicted failure timing is the actual lifetime. It may be shorter than that. In addition, only a temporary deterioration of the value such as an error rate or a spin-up time is expected, and a short life is temporarily predicted even in an item where the value returns to the original value after the vibration of the image processing apparatus 100 has subsided. It will be.

Therefore, by executing failure prediction of the HDD 103 by ignoring information notified during the generation of the access prohibition timing and the access prohibition frequency among the defect information of the HDD 103 notified from the HDD 103 to the HDD control unit 122, image processing is performed. Failures that have occurred in the HDD 103 due to vibrations of the apparatus 100 can be excluded, and failure prediction can be performed by referring only to failures that have occurred due to performance degradation of the HDD 103. As a result, in the failure prediction of the HDD 103, the predicted failure timing can be prevented from being earlier than the timing that should be predicted in the original failure prediction algorithm, and the failure prediction of the HDD can be performed more suitably. .
In the above description, the example in which the failure information notified from the HDD 103 to the HDD control unit 122 during the generation of the access prohibition timing or the access prohibition frequency has been described. The power period may be determined separately from the above two types. For example, if there is a vibration timing of the image processing apparatus 100 or a frequency component of vibration generated in the apparatus that causes an increase in the number of trouble reports related to failure prediction among trouble items that occur in the HDD 103, the vibration timing or You may make it exclude the malfunction information of the period when the vibration containing the frequency component has generate | occur | produced.

1 is a perspective view illustrating an image processing apparatus according to an embodiment of the present invention. 1 is a block diagram illustrating an overall configuration of an image processing apparatus according to an embodiment of the present invention. It is a block diagram which shows the functional block of the image processing apparatus which concerns on the Example of this invention. It is a figure which shows the output information of the vibration detection control part which concerns on the Example of this invention with a graph. It is a figure which shows the malfunction information table of HDD which the HDD control part based on the Example of this invention hold | maintains. It is a figure which shows the analysis aspect of the vibration detection information by the HDD control part which concerns on the Example of this invention, and HDD malfunction information. It is a figure which shows the example of a setting of the access prohibition timing by the HDD control part which concerns on the Example of this invention. 4 is a flowchart illustrating an operation of an HDD control unit according to an embodiment of the present invention. It is a figure which shows the frequency component of the vibration detection information by the vibration detection control part which concerns on the other Example of this invention with a graph.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 100 Image processing apparatus, 101 CPU, 102 Memory, 103 HDD, 104 ROM, 105 Host I / F, 106 Paper feed tray, 107 Print engine, 108 Paper discharge tray, 109 Scanner, 109a Document placement tray, 109b ADF, 110 Display panel, 111 vibration detection device, 112 system bus, 121 image processing control unit, 122 HDD control unit, 123 vibration detection control unit, 200 host device

Claims (7)

A mounting image processing apparatus of a disk storage device,
A vibration detection unit that detects vibration generated in the image processing device and outputs a detection signal, a vibration detection control unit that generates vibration detection information based on an output signal of the vibration detection unit, and the vibration detection control unit based on the vibration detection information received from, have a, a disk storage control unit for controlling the disk storage device,
The vibration detection control unit generates, as the vibration detection information, information in which a periodic vibration phase indicated by an output signal of the vibration detection unit is associated with a time axis,
The disk storage device control unit receives failure information in which a failure that has occurred in the disk storage device and an occurrence timing thereof are associated with each other, and associates the time axis of the vibration detection information with the time axis of the failure information. Accordingly, the phase of the periodic vibration corresponding to the timing at which a failure occurs in the disk storage device is set and stored as a prohibition timing for prohibiting access to the disk storage device, and is output by the output signal of the vibration detection unit. An image processing apparatus that waits for access to the disk storage device until the prohibition timing ends when the periodic vibration phase shown is set as the prohibition timing . The disk storage device control unit determines whether to access the disk storage device according to a predetermined frequency component of vibration generated in the image processing device based on the received vibration detection information. The image processing apparatus according to claim 1. The disk storage device control unit collates a timing at which a failure occurs in the disk storage device with a frequency component of vibration generated in the image processing device, and contributes to the occurrence of a failure in the disk storage device. The image processing apparatus according to claim 2 , wherein a vibration frequency component of the processing apparatus is determined. The image processing apparatus according to claim 3 , wherein the disk storage control unit prohibits access to the disk storage device during a period in which the determined vibration frequency component is detected by the vibration detection unit. . The disk storage device control unit further includes a life prediction control unit that accumulates defect information of the disk storage device and predicts the life of the disk storage device,
The life prediction control unit excludes failure information of the disk storage device that has occurred during a period in which the determined vibration frequency component is detected by the vibration detection unit, and predicts the life of the disk storage device. The image processing apparatus according to claim 3 , wherein the image processing apparatus is characterized in that   A control method of an image processing apparatus mounted with a disk storage device,
  Detecting vibrations generated in the image processing apparatus;
  Generate information as vibration detection information in which a phase of a periodic vibration detected by detection of vibration generated in the image processing apparatus and a time axis are associated with each other,
  Receiving defect information associated with a defect occurring in the disk storage device and its occurrence timing;
  By associating the time axis of the vibration detection information with the time axis of the failure information, the phase of the periodic vibration corresponding to the timing when the failure occurs in the disk storage device is accessed to the disk storage device. Set as prohibition timing to prohibit,
  When a period of periodic vibration detected by detecting vibration generated in the image processing apparatus is set as the prohibition timing, access to the disk storage device is waited until the prohibition timing ends. A control method of the image processing apparatus.   A failure prediction method for a disk storage device mounted on an image processing apparatus,
  Accumulating defect information of the disk storage device,
  Detecting vibrations generated in the image processing apparatus;
  Generate information as vibration detection information in which a phase of a periodic vibration detected by detection of vibration generated in the image processing apparatus and a time axis are associated with each other,
  Receiving defect information associated with a defect occurring in the disk storage device and its occurrence timing;
  By associating the time axis of the vibration detection information with the time axis of the defect information, the vibration state of the image processing apparatus that contributes to the occurrence of a defect in the disk storage device is specified,
  A failure prediction method, comprising: excluding failure information in the specified vibration state from the accumulated failure information, and performing failure prediction of the disk storage device based on the accumulated failure information.

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