JP2004342168A - Device for incorporating device incorporating disk recording device, method for controlling disk recording device, and computer program - Google Patents

Device for incorporating device incorporating disk recording device, method for controlling disk recording device, and computer program Download PDF

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Publication number
JP2004342168A
JP2004342168A JP2003134914A JP2003134914A JP2004342168A JP 2004342168 A JP2004342168 A JP 2004342168A JP 2003134914 A JP2003134914 A JP 2003134914A JP 2003134914 A JP2003134914 A JP 2003134914A JP 2004342168 A JP2004342168 A JP 2004342168A
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Prior art keywords
attribute
device
disk
failure prediction
value
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JP2003134914A
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Japanese (ja)
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JP4111052B2 (en
Inventor
Shitsuki Ko
瑟基 洪
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Sony Corp
ソニー株式会社
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Abstract

An object of the present invention is to specify a causal relationship between attributes and estimate a cause of a failure with respect to a transition of each attribute value.
The information on the attribute exceeding the attribute limit value is recorded together with the total energizing time. Therefore, when there are a plurality of attributes exceeding the attribute limit value, the temporal context of each attribute limit value excess is grasped. be able to. In the case where the upper limit of the recommended attribute value indicating the service life exceeds the upper limit of the HDD specification in advance in the specification of the HDD, the possibility that the attribute limit value of the failure prediction attribute may be exceeded may be caused by the service life of the HDD. According to the present invention, it is possible to confirm whether a state in which a failure is predicted occurs before or after the life of the HDD according to the HDD specification.
[Selection diagram] Fig. 1

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a device incorporating a disk-type recording device that performs a data read / write operation while scanning a magnetic head on a magnetic disk such as a hard disk as a medium, a method of controlling the disk-type recording device, and a computer program In particular, the present invention relates to an apparatus having a built-in disk type recording apparatus having a self-monitoring function and a failure prediction function in order to prevent the loss of precious stored data, and a method of controlling the disk type recording apparatus. , As well as computer programs.
[0002]
More specifically, the present invention relates to a device incorporating a disk-type recording device that performs a failure prediction and a recommendation according to whether or not a plurality of attribute values exceed an attribute limit value, a method of controlling the disk-type recording device, and The present invention relates to a program, in particular, a device having a built-in disk-type recording device for specifying a causal relationship between attributes and estimating a cause of a failure, and a control method of the disk-type recording device, and a computer program. About.
[0003]
[Prior art]
With the development of information technology such as information processing and information communication, it has become necessary to reuse information created and edited in the past. For this reason, information storage technology has become increasingly important. Until now, information recording devices using various media such as magnetic tapes and magnetic disks have been developed and spread.
[0004]
Among them, an HDD (Hard Disk Drive) is an auxiliary storage device of a magnetic recording system. Several magnetic media, which are recording media, are accommodated in the drive unit, and are rotated at high speed by a spindle motor. The media is coated with a plated magnetic material such as nickel and phosphorus. Then, by scanning the magnetic head in the radial direction on the surface of the rotating medium, magnetization corresponding to data is generated on the medium, and writing or reading can be performed.
[0005]
Hard disks are already widespread. For example, as a standard external storage device for a personal computer, various software such as an operating system (OS) and an application necessary for starting the computer are installed, and files created and edited are stored. Hard disks are used to do this. Usually, the HDD is connected to the computer via a standard interface such as IDE (Integrated Drive Electronics) or SCSI (Small Computer System Interface), and its storage space is provided by an operating system such as FAT (File Allocation Table). Managed by the file system, a subsystem of the system.
[0006]
Recently, the capacity of HDDs has been increasing. Along with this, the field of application is expanding not only as a conventional auxiliary storage device for a computer but also as a hard disk recorder for storing broadcast-received AV contents, and it has begun to be used for recording various contents. I have.
[0007]
By the way, since the HDD includes a plurality of mechanical driving parts such as a head and a disk, it is presently limited in data reliability as compared with other nonvolatile storage devices such as a semiconductor memory.
[0008]
Therefore, in order to prevent the occurrence of a failure in the HDD and the loss of stored valuable data, the self-monitoring and failure prediction functions called SMART (Self-Motoring, Analysis and Reporting Technology) conform to the ATA (AT Attachment) specification. HDD is provided as an option.
[0009]
The SMART has two types of attributes, a failure prediction attribute and a recommendation attribute. The failure prediction attribute is used for predicting a failure, and the recommendation attribute value is used for monitoring a usage state such as an operation time and a power-on time of the HDD. used. When any of these attribute values exceeds the attribute limit value, a warning is issued to the user via, for example, a computer screen to which the HDD is connected. The user can use the SMART function to predict a failure and take measures such as backing up valuable data.
[0010]
However, the conventional SMART function simply compares the attribute value with the attribute limit value, but does not keep a history of each attribute value and manages the temporal elements such as when the limit value is reached. Not. For example, when multiple attributes exceed the attribute limit, there is no information indicating when those attribute values have exceeded the attribute limit. . For this reason, even if exceeding the attribute limit value of one attribute causes exceeding the attribute limit value of another attribute, it is not possible to identify the causal relationship or estimate the cause of the failure. It is possible.
[0011]
[Problems to be solved by the invention]
An object of the present invention is to provide a self-monitoring and failure prediction function for preventing loss of stored precious data beforehand, a device incorporating a superior disk type recording device, and a method of controlling the disk type recording device, And to provide a computer program.
[0012]
A further object of the present invention is to provide a device incorporating a superior disk-type recording device and a control of the disk-type recording device, which can make a failure prediction or a recommendation depending on whether or not a plurality of attribute values exceed an attribute limit value. It is to provide a method, as well as a computer program.
[0013]
A further object of the present invention is to provide a device incorporating a superior disk-type recording device and a disk-type recording device capable of identifying a causal relationship between attributes and estimating a cause of a failure with respect to a transition of each attribute value. A control method and a computer program are provided.
[0014]
Means and Action for Solving the Problems
The present invention has been made in view of the above problems, and a first aspect of the present invention is an apparatus having a built-in disk type recording device that performs a data read / write operation while scanning a read / write head on a disk,
Attribute value acquiring means for acquiring two or more attribute values relating to self-monitoring or fault prediction; self-monitoring / failure predicting means for monitoring whether each of the attribute values exceeds an attribute limit value set for each attribute value; ,
Self-monitoring / failure prediction information recording means for recording each attribute value detected as exceeding the attribute limit value by the self-monitoring / failure prediction means together with the apparatus total operation time,
A device incorporating a disk-type recording device characterized by comprising:
[0015]
Here, the device incorporating the disk-type recording device according to the present invention measures each attribute value recorded by the self-monitoring / failure prediction information recording means based on the total operation time of the device when the attribute limit value is exceeded. And an apparatus state estimating means for estimating the apparatus state.
[0016]
One of the attribute values is a failure prediction attribute value used to predict a failure of the device, and the other is a recommended attribute value used to monitor the life of the device. .
[0017]
The fact that the failure prediction attribute value exceeds the attribute limit value is a state in which a failure of the device is predicted, and the fact that the recommended attribute exceeds the attribute limit value corresponds to the end of the life of the device. I do.
[0018]
Then, the device state estimating means can estimate the state of the device based on the temporal context when the failure prediction attribute and the recommendation attribute each exceed an attribute limit value.
[0019]
According to the present invention, the information of the attribute exceeding the attribute limit value is recorded together with the total power-on time of the hard disk. Can be grasped.
[0020]
For example, when the device is collected for inspection or the like and the attribute value is examined, the state where the recommended attribute value exceeds the upper limit in the specification and the failure prediction attribute value also exceeds the attribute limit value may be considered. According to the present invention, the temporal context of exceeding an attribute limit value is clear, and it is confirmed whether a state in which a failure is predicted occurred before the end of the life of the HDD according to the specification or after that. Is possible.
[0021]
For example, if the upper limit of the recommended attribute value is exceeded first, it can be estimated that the attribute limit value excess of the failure prediction attribute is caused by the life of the HDD.
[0022]
According to a second aspect of the present invention, there is provided a computer which is described in a computer readable format so as to execute, on a computer system, a disk type recording apparatus which performs a data read / write operation while scanning a read / write head on a disk. A program,
An attribute value acquiring step of acquiring two or more attribute values relating to self-monitoring or failure prediction;
A self-monitoring / failure prediction step of monitoring whether each of the attribute values exceeds an attribute limit set for each attribute value,
A self-monitoring / failure prediction information recording step of recording each attribute value detected to have exceeded the attribute limit value in the self-monitoring / failure prediction step together with the apparatus total operation time;
A computer program characterized by comprising:
[0023]
The computer program according to the second aspect of the present invention defines a computer program described in a computer-readable format so as to realize a predetermined process on a computer system. In other words, by installing the computer program according to the second aspect of the present invention in a computer system, a cooperative action is exerted on the computer system, and the disk type according to the first aspect of the present invention is realized. The same operation and effect as those of the device incorporating the recording device can be obtained.
[0024]
Further objects, features, and advantages of the present invention will become apparent from more detailed descriptions based on embodiments of the present invention described below and the accompanying drawings.
[0025]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0026]
FIG. 1 schematically shows a hardware configuration of a peripheral portion of a recording device of a device with a built-in HDD according to an embodiment of the present invention. The HDD built-in device is, for example, an AV device such as a personal computer or an HDD recorder.
[0027]
A CPU (Central Processing Unit) 1 executes a program under an execution environment provided by an operating system, thereby controlling the operation of the entire device as a whole. In the present embodiment, the CPU 1 also operates the HDD 7.
[0028]
A RAM (Random Access Memory) 2 is a readable and writable semiconductor memory device, and is used to load a program code to be executed by the CPU 1 and temporarily store work data of an execution program. In the present embodiment, the RAM 2 also functions as a buffer for storing SMART data such as a recommendation attribute and a failure prediction attribute output from the HDD 7 and a buffer for storing attribute value recovery data.
[0029]
The SMART attribute value buffer 3 temporarily stores the SMART attribute value data for processing. The SMART limit value buffer 4 temporarily stores the SMART attribute limit value data for processing. Further, the attribute value recovery buffer 5 temporarily stores the data of the bag close to the attribute in order to process the data.
[0030]
The ATA interface 6 is an interface for interconnecting the CPU 1 and the HDD 7.
[0031]
The HDD 7 is an auxiliary storage device of a magnetic recording system, and stores data contents such as images, videos and sounds, or computer files.
[0032]
In the present embodiment, a SMART (Self-Motoring, Analysis and Reporting Technology) function unit 8 is mounted to prevent a failure from occurring in the HDD 7 and losing stored precious data. The SMART function unit 8 is a self-monitoring and failure prediction function built in the HDD 7 based on the ATA specification. It monitors the internal state of the HDD 7 and reports to the CPU 1 when a failure is predicted.
[0033]
The SMART function unit 8 has a plurality of attribute values indicating information on the internal state of the HDD 7, and monitors the attribute values during operation. In the present embodiment, there are two types of attribute values representing the internal state of the HDD 7, a failure prediction attribute (Pre-failure Attribute) used for predicting a failure, and a recommendation attribute (Advisory Attribute) for monitoring the life of the HDD 7 and the like. Consists of
[0034]
A typical example of the failure prediction attribute is a Read Error Rate (read error rate), and a typical example of the recommendation attribute is a Load / Unload Cycle Count (load / unload cycle count value). Each attribute value is given an ID number. The type of attribute differs depending on the manufacturer and model of the HDD 7. This is because important factors for predicting a failure vary depending on the performance and form of the HDD 7.
[0035]
An attribute limit value is defined for each failure prediction attribute. If the attribute value exceeds the attribute limit value, it is determined that a failure is predicted. In response to the failure prediction, the user can take countermeasures before data loss due to HDD failure, such as taking a backup of data.
[0036]
The host device (CPU 1) issues a SMART RETURN STATUS command to the HDD 7 and checks whether any attribute value exceeds the attribute limit value. to decide. Alternatively, each attribute value obtained by the SMART READ ATTRIBUTE VALUES command is compared with the corresponding attribute limit value obtained by the SMART READ ATTRIBUTE THRESHOLDS command. . The SMART has several other functions such as a self-diagnosis test function and an error log function.
[0037]
The SMART log 9 is a non-volatile storage area of 256 sectors (one sector is 512 bytes) in which the SMART function unit 8 records a self-diagnosis test result and an error that has occurred. A part of the SMART log 9 is allocated as a Host Vendor Specific area 10 that can be used by a device (AV device) serving as a host of the HDD 7 according to the purpose. The size of this area is 32 sectors.
[0038]
The Host Vendor Specific area 10 is a log area allocated inside the SMART log 9 and freely usable by the host according to the purpose, and has a size of 32 sectors. In the present embodiment, the SMART attribute value information exceeding the attribute limit value and the hard disk total power-on time information at the time when the attribute limit value is exceeded are recorded in the Host Vendor Specific area 10.
[0039]
FIG. 2 schematically shows the configuration of the Host Vendor Specific area 10.
[0040]
The failure prediction attribute log 11 is a log for recording 512-byte SMART data of the attribute when the comparison result of the failure prediction attribute value with the attribute limit value is in an excess state. Since the types of failure prediction attribute values of the HDD are not constant, the number m of failure prediction attribute values in FIG. 2 is not constant. The first byte of the SMART data of the attribute value exceeding the limit value is rewritten with the ID number of the attribute value to be recorded and recorded in the log.
[0041]
The recommendation attribute log 12 is a log for recording 512-byte SMART data of the attribute when the comparison result with the attribute limit value of the recommendation attribute value or the service life in the specification of the HDD 7 is in an excess state. Since the type of the recommended attribute value is not constant, the number n of the recommended attribute values in FIG. 3 is not constant. The first byte of the SMART data of the attribute value exceeding the limit value is rewritten with the ID number of the attribute value to be recorded and recorded in the log.
[0042]
The attribute value recovery log 13 records information on the attribute value that has exceeded the attribute limit value but has returned to the normal value again. An attribute that once exceeded the attribute limit value may return to a normal value again (such as the drive temperature. Even if the temperature rises extremely and exceeds the limit value, once cooling is performed, normality is restored again. Back to the value, but it can be important information when the limit was exceeded in the past). The failure prediction attribute log 10 and the recommendation attribute log 12 are for recording information on attributes exceeding the limit value at the time of examining the failure prediction data. When the value returns, the log data of the attribute is deleted. However, it is necessary to record when the attribute has exceeded the attribute limit value in the past, what attribute value it has, and when it has returned to the normal value again. Record.
[0043]
FIG. 3 shows an internal configuration of the attribute value recovery log 12 in the Host Vendor Specific area 10.
[0044]
The recover count 13 counts the number of times that the attribute value has recovered from the state of exceeding the limit value to the normal value.
[0045]
The attribute value ID records the ID number of the attribute whose recovery to the normal value has occurred.
[0046]
The attribute limit value excess time records the total HDD energization time at the time when the attribute whose recovery to the normal value has occurred exceeds the limit value.
[0047]
The attribute value at the time of excess records the attribute value when the attribute restored to the normal value is in the state of exceeding the limit value.
[0048]
The attribute value recovery time records the total power supply time of the HDD at the time of recovery to the normal value.
[0049]
Next, a description will be given of a processing operation of HDD self-monitoring and failure prediction performed in the HDD built-in device according to the present embodiment.
[0050]
The operation of the SMART function unit 8 is started by a command issued from the CPU 1 to the HDD 7 via the ATA interface 6. The SMART log 9 is used to record SMART attribute value information. The size of the SMART log 9 is 256 sectors (one sector is 512 bytes), and a part (32 sectors) of the SMART log 9 is configured so that the host side can freely read and write (Host Vendor Specific area 10).
[0051]
The Host Vendor Specific area 10 of the SMART log 9 is divided as shown in FIG. 2, and each of the divided sectors corresponds to each SMART attribute. Initially, all data is zero. By issuing the SMART READ ATTRIBUTE VALUES command, 512-byte (data amount for one HDD sector) attribute value information is taken into the SMART attribute value buffer 3 in the RAM 2. All attribute information is included in the 512-byte attribute value information. Similarly, by issuing a SMART READ ATTRIBUTE THRESHOLDS command, 512-byte attribute limit value information is taken into the SMART limit value buffer 4.
[0052]
The attribute value of each failure prediction attribute is compared with the attribute limit value one by one, and when a certain failure prediction attribute value exceeds the attribute limit value, 512 bytes of attribute value information is applied to the failure prediction attribute value only for the first time. Using the SMART WRITE LOG SECTOR command. If at least one of the fault prediction attribute values exceeds the attribute limit value, it means that a fault is predicted, and a warning flag is set to inform the user of that.
[0053]
Since the total energizing time of the HDD 7 is included in the 512-byte attribute value information, it is possible to confirm when the predicted failure attribute value exceeds the attribute limit value by referring to the SMART log 9 later. become.
[0054]
Among the recommendation attributes, a recommendation attribute value considered important for knowing the end of the life of the HDD 7 is selected. Then, the recommended attribute value is compared with the attribute limit value. Some of the recommended attributes do not have the attribute limit value. In such a case, the attribute limit value is set by using information on the product life (product life, the upper limit of the number of times of loading / unloading, etc.) clarified in the specification of the HDD 7.
[0055]
The attribute limit value and the recommended attribute value obtained by the above method are compared one by one, and if a certain recommended attribute value exceeds the limit value, the attribute value information of 512 bytes corresponds to the recommended attribute value only for the first time. The recommended attribute log sector 12 is recorded using the SMART WRITE LOG SECTOR command.
[0056]
If any one of the recommended attribute values exceeds the life of the specification, it means that the life of the HDD has been reached, so a warning flag for notifying the user of the fact is set. Since the total energizing time of the HDD is included in the 512-byte attribute value information, by referring to the SMART log 9 later, it is possible to investigate the temporal relationship between the lifetime and the failure prediction attribute.
[0057]
Some HDDs have a disk axis shift attribute as one of the recommended attribute values. The disc axis deviation attribute value increases in proportion to the disc axis deviation caused by an impact applied to the HDD body or the like, so that it is an effective means for examining the presence / absence of the impact. Since the disc axis deviation attribute value does not have the attribute limit value, a drop test etc. is performed in advance using an experimental HDD, the relationship between the impact and the disc axis deviation attribute value is investigated, and the Set the limit value.
[0058]
The disc axis deviation attribute value is compared with each limit value, and if it exceeds the limit value, 512-byte attribute value information is recorded in the corresponding recommended attribute log sector 12 using the SMART WRITE LOG SECTOR command. Since the disc axis deviation is checked in stages, it is necessary to prepare several recommended attribute log sectors. By recording the total energizing time of the HDD and the disk axis deviation attribute value for each impact intensity, it is possible to investigate how much impact was applied to the HDD 7 and when, and to examine the temporal relationship between the impact and the failure prediction attribute value. Will be possible.
[0059]
Attribute values such as Load / Unload Cycle Count do not return to normal values once they exceed the limit value, but attributes such as drive temperature may return to normal again after exceeding the limit value. In such a case, it is necessary to clear the failure prediction attribute log sector or the recommendation attribute log sector. However, since the fact that the limit value has been exceeded must be recorded, the attribute value recovery log 13 is used. The configuration of the attribute value recovery log 13 is as shown in FIG.
[0060]
The information of the attribute value recovery log 13 is read into the attribute value recovery buffer 5, the recovery count 14 is updated, and the ID of the attribute recovered to the position of the attribute recovery buffer 5 indicated by the recovery count 14 and exceeding the limit value are confirmed. The time, the attribute value when the limit value is exceeded, and the time when the recovery from the limit value excess state is confirmed are recorded and written to the attribute value recovery log 13. Since the size of the attribute value recovery log 13 is 512 bytes, when the number of times of attribute value recovery becomes 64 or more, writing is performed again from the first block.
[0061]
4 and 5 show, in the form of a flowchart, a processing procedure of HDD self-monitoring and failure prediction performed in the HDD built-in device according to the present embodiment.
[0062]
Process A) The SMART attribute value buffer 3 and the SMART limit value buffer 4 used for the process are initialized. The data of the attribute value recovery log 13 is read into the attribute value recovery buffer 5. Also, the flags (Pre Failure, Advisory Flag) used for the warning are cleared, and the index of the attribute value is initialized (i = 0, j = 0).
[0063]
Process B) A SMART READ ATTRIBUTE VALUES command and a SMART READ ATTRIBUTE THRESHOLDS command are issued to the HDD 7, the 512-byte SMART attribute value information is stored in the SMART attribute value buffer 3, and the 512-byte SMART attribute limit value information is stored in the SMART limit value buffer 4. Is stored.
[0064]
Process C) The failure prediction attribute value i is compared with the attribute limit value i. If the failure prediction attribute value i is larger than the attribute limit value i, the process proceeds to processing D. Otherwise, the process proceeds to processing G.
[0065]
Process D) A flag indicating a failure prediction state is set.
[0066]
Process E) Check whether the failure prediction attribute log i is empty. If it is empty, it indicates that the failure prediction attribute exceeds the attribute limit value from the normal state for the first time, and it is necessary to write the attribute value information to the log. Otherwise, the process proceeds to processing J because the log is not overwritten.
[0067]
Process F) The head byte of the SMART attribute information in the SMART attribute value buffer 3 is rewritten to the ID of the failure prediction attribute value i, and is written to the failure prediction attribute log i by the SMART WRITE LOG SECTOR command.
[0068]
Process G) Check whether data exists in the failure prediction attribute log i. If the data exists, the process proceeds to process H, and if not, the process proceeds to process J.
[0069]
Process H) Since the failure prediction attribute value has returned to the normal value range, the failure prediction attribute log i is cleared.
[0070]
Processing I) Since the attribute value has exceeded the limit value in the past, the attribute value recovery buffer 5 is updated.
[0071]
Process J) i is incremented and i is the maximum value i max Check if has been reached. That is, it is checked whether all the failure prediction attributes have been compared. If the comparison has been completed, the process proceeds to process K; otherwise, the process proceeds to process C.
[0072]
Process K) The recommended attribute value j is compared with the attribute limit value j or the specified lifetime j. If the recommended attribute value j is longer than the specified life j, the process proceeds to process L; otherwise, the process proceeds to process R.
[0073]
Process L) A flag indicating the end of the life in the specification is set.
[0074]
Process M) Check whether the recommendation attribute log j is empty. If it is empty, it indicates that the recommended prediction attribute exceeds the lifetime in the specification from the normal state for the first time, and it is necessary to write the attribute value information to the log. Otherwise, since the log is not overwritten, the failure prediction processing is completed.
[0075]
Process N) The head byte of the SMART attribute information in the SMART attribute value buffer 3 is rewritten to the ID of the recommended attribute value j, and is written to the recommended attribute log j by the SMART WRITE LOG SECTOR command.
[0076]
Process O) Check whether data exists in the recommendation attribute log i. If the data exists, the process proceeds to process P, and if not, the process proceeds to process R.
[0077]
Process P) Since the recommendation attribute value has returned to the normal value range, the recommendation attribute log j is cleared.
[0078]
Process Q) Since the attribute value has exceeded the limit value in the past, the attribute value recovery buffer 5 is updated.
[0079]
Process R) j is incremented, and j is the maximum value j max Check if has been reached. Check if all advisory attributes have been compared. If the comparison has been completed, the failure prediction process ends, and if not, the process proceeds to process K.
[0080]
Process S) Write the updated data of the attribute value recovery buffer 5 to the attribute value recovery log 13.
[0081]
[Supplement]
The present invention has been described in detail with reference to the specific embodiments. However, it is obvious that those skilled in the art can modify or substitute the embodiment without departing from the scope of the present invention. That is, the present invention has been disclosed by way of example, and the contents described in this specification should not be interpreted in a limited manner. In order to determine the gist of the present invention, the claims described at the beginning should be considered.
[0082]
【The invention's effect】
As described above in detail, according to the present invention, an apparatus and a disk incorporating a superior disk type recording device having a self-monitoring and failure prediction function in order to prevent the loss of stored valuable data beforehand A method for controlling a pattern recording device and a computer program can be provided.
[0083]
Further, according to the present invention, it is possible to perform a failure prediction, a recommendation, or the like according to whether or not a plurality of attribute values exceed an attribute limit value. A control method and a computer program can be provided.
[0084]
Further, according to the present invention, a device incorporating a superior disk-type recording device and a disk-type recording device capable of identifying a causal relationship between attributes and estimating a cause of a failure with respect to transition of each attribute value And a computer program can be provided.
[0085]
According to the present invention, the information of the attribute exceeding the attribute limit value is recorded together with the total power-on time of the hard disk. Can be grasped.
[0086]
When an AV device using an HDD is collected for the purpose of service or inspection, SMART information plays an important role in knowing the state of the HDD. However, if attribute value information is not recorded over time, there may be situations where state analysis becomes difficult. After collection, when investigating attribute values, it is conceivable that the recommended attribute value exceeds the upper limit in the specification and the failure prediction attribute value also exceeds the attribute limit value. In the case where the upper limit of the recommended attribute value indicating the service life exceeds the upper limit of the HDD specification in advance, it is possible that the attribute limit value of the failure prediction attribute is exceeded due to the service life of the HDD. In the conventional method, such a judgment cannot be made because the temporal context of exceeding the attribute limit value is not clear. On the other hand, according to the present invention, it is possible to confirm whether a state in which a failure is predicted has occurred before the end of the life of the HDD according to the specification or after that.
[0087]
Further, when the disk axis deviation attribute is included in the recommendation attribute, it is possible to monitor an external impact on the HDD. When the disc axis deviation is caused by an external impact, the influence may cause the failure prediction attribute to exceed the attribute limit value. By referring to the recording of the attribute value information by the method of the present invention, it is possible to know the temporal relationship between the occurrence of the disc axis deviation and the exceeding of the fault prediction attribute limit value. It becomes possible for the user to record the impact generated in the process of handling the device, and this information can be used effectively in after-sales service and the like.
[Brief description of the drawings]
FIG. 1 is a diagram schematically illustrating a hardware configuration of a peripheral device of a recording device of a device with a built-in HDD according to an embodiment of the present invention.
FIG. 2 is a diagram schematically showing a configuration of a Host Vendor Specific area 10;
FIG. 3 is a diagram showing an internal configuration of an attribute value recovery log 12 in a Host Vendor Specific area 10;
FIG. 4 is a flowchart showing a processing procedure of HDD self-monitoring and failure prediction performed in the HDD built-in device according to the embodiment.
FIG. 5 is a flowchart showing a procedure of HDD self-monitoring and failure prediction performed in the HDD built-in device according to the embodiment.
[Explanation of symbols]
1 ... CPU
2 ... RAM
3: SMART attribute value buffer
4: SMART attribute limit value buffer
5: Attribute value recovery buffer
6 ... ATA interface
7 ... HDD
8 SMART function section
9 ... SMART log
10: Host Vendor Specific area
11: Failure prediction attribute log
12 ... Recommended attribute log
13: Attribute value recovery log

Claims (13)

  1. A device having a built-in disk type recording device that performs a data read / write operation while scanning a read / write head on a disk,
    Attribute value acquiring means for acquiring two or more attribute values relating to self-monitoring or failure prediction of the disk-type recording device;
    Self-monitoring / failure prediction means for monitoring whether each of the attribute values exceeds an attribute limit set for each attribute value,
    Self-monitoring / failure prediction information recording means for recording each attribute value detected as exceeding the attribute limit value by the self-monitoring / failure prediction means together with the apparatus total operation time,
    A device having a built-in disk type recording device, comprising:
  2. The apparatus state estimating means for estimating the apparatus state by analyzing two or more attribute values recorded by the self-monitoring / failure prediction information recording means based on the total operation time of the apparatus when the attribute limit value is exceeded is further provided. Prepare,
    An apparatus incorporating the disk-type recording apparatus according to claim 1.
  3. One of the attribute values is a failure prediction attribute value used to predict a failure of the device, the other is a recommended attribute value used to monitor the life of the device,
    The fact that the failure prediction attribute value exceeds the attribute limit value is a state in which a failure of the device is predicted, and the fact that the recommended attribute exceeds the attribute limit value corresponds to the end of the life of the device. Do
    An apparatus incorporating the disk-type recording apparatus according to claim 1.
  4. The device state estimation unit estimates the state of the device based on the temporal context when the failure prediction attribute and the recommendation attribute each exceed an attribute limit value,
    An apparatus incorporating the disk-type recording apparatus according to claim 3.
  5. The device state estimating means estimates that if the recommended attribute value exceeds the upper limit first, the failure prediction attribute exceeds the attribute limit value caused by the life of the device.
    An apparatus incorporating the disk-type recording apparatus according to claim 4.
  6. The disk-type recording apparatus has a SMART (Self-Motoring, Analysis and Reporting Technology) function,
    The attribute value acquiring means acquires log data of an attribute value recorded by a SMART function in the disk-type recording device;
    An apparatus incorporating the disk-type recording apparatus according to claim 1.
  7. A method for controlling a disk-type recording device that performs a data read / write operation while scanning a read / write head on a disk,
    An attribute value acquiring step of acquiring two or more attribute values relating to self-monitoring or failure prediction;
    A self-monitoring / failure prediction step of monitoring whether each of the attribute values exceeds an attribute limit set for each attribute value,
    A self-monitoring / failure prediction information recording step of recording each attribute value detected to have exceeded the attribute limit value in the self-monitoring / failure prediction step together with the apparatus total operation time;
    A method for controlling a disk-type recording device, comprising:
  8. A device state estimating step of estimating the device state by analyzing two or more attribute values recorded in the self-monitoring / failure prediction information recording step based on the total operation time of the device when the attribute limit value is exceeded. Prepare,
    8. The method for controlling a disk-type recording apparatus according to claim 7, wherein:
  9. One of the attribute values is a failure prediction attribute value used to predict a failure of the device, the other is a recommended attribute value used to monitor the life of the device,
    The fact that the failure prediction attribute value exceeds the attribute limit value is a state in which a failure of the device is predicted, and the fact that the recommended attribute exceeds the attribute limit value corresponds to the end of the life of the device. Do
    9. The control method for a disk-type recording device according to claim 7, wherein
  10. In the device state estimation step, the state of the device is estimated based on the temporal context when the failure prediction attribute and the recommendation attribute each exceed an attribute limit value,
    The method for controlling a disk-type recording apparatus according to claim 9, wherein:
  11. In the device state estimation step, if the upper limit of the recommended attribute value has occurred first, it is estimated that the attribute limit value excess of the failure prediction attribute has been caused by the life of the device,
    The method of controlling a disk-type recording device according to claim 10, wherein:
  12. The disk-type recording apparatus has a SMART (Self-Motoring, Analysis and Reporting Technology) function,
    In the attribute value obtaining step, log data of an attribute value recorded by a SMART function in the disk type recording device is obtained.
    8. The method for controlling a disk-type recording apparatus according to claim 7, wherein:
  13. A computer program written in a computer-readable format so as to execute, on a computer system, a disk-type recording device that performs a data read / write operation while scanning a read / write head on a disk,
    An attribute value acquiring step of acquiring two or more attribute values relating to self-monitoring or failure prediction;
    A self-monitoring / failure prediction step of monitoring whether each of the attribute values exceeds an attribute limit set for each attribute value,
    A self-monitoring / failure prediction information recording step of recording each attribute value detected to have exceeded the attribute limit value in the self-monitoring / failure prediction step together with the apparatus total operation time;
    A computer program comprising:
JP2003134914A 2003-05-13 2003-05-13 Apparatus incorporating disk type recording apparatus, method for controlling disk type recording apparatus, and computer program Expired - Fee Related JP4111052B2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7477466B2 (en) 2006-06-15 2009-01-13 Fujitsu Limited Control device and storage device
JP2009140586A (en) * 2007-12-07 2009-06-25 Toshiba Corp Information recording device and method of controlling the same
US7593176B2 (en) 2006-06-15 2009-09-22 Fujitsu Limited Control apparatus and storage device
JP2012503836A (en) * 2008-09-30 2012-02-09 インテル コーポレイション Method for communicating a time stamp to a storage system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7477466B2 (en) 2006-06-15 2009-01-13 Fujitsu Limited Control device and storage device
US7593176B2 (en) 2006-06-15 2009-09-22 Fujitsu Limited Control apparatus and storage device
JP2009140586A (en) * 2007-12-07 2009-06-25 Toshiba Corp Information recording device and method of controlling the same
JP2012503836A (en) * 2008-09-30 2012-02-09 インテル コーポレイション Method for communicating a time stamp to a storage system
US9727473B2 (en) 2008-09-30 2017-08-08 Intel Corporation Methods to communicate a timestamp to a storage system
US10261701B2 (en) 2008-09-30 2019-04-16 Intel Corporation Methods to communicate a timestamp to a storage system

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