JP2000089980A - Error log collection system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an error log collection system capable of specifying an error position by a monitoring device even when a fault disabling the notification of an 'error log information' response occurs in a monitored device. SOLUTION: A monitor module issues 'all check item information request' to respective target modules and prepares a check item list in accordance with 'all check item information' received from respective target modules. Every reception of 'check item n-result information' corresponding to 'check start request', the check item list is updated in accordance with notified 'NG' or 'OK' information. The 'check item n-result information' is returned in accordance with each check item.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an error log collection system for collecting an error log of a monitored device in a system including a monitoring device and a monitored device monitored by the monitoring device.

[0002]

2. Description of the Related Art In a system including a large number of function modules, such as a transmission device and a switching device, each module may be configured to be monitored by a monitoring module. In such a system, the monitoring module collects information (error log) indicating the status of each module periodically or in response to an external instruction. Hereinafter, the function module monitored by the monitoring module is referred to as a target module.

FIG. 5 is a sequence diagram showing an error log collecting process in a conventional system. As shown in the figure, when an error log collection timing occurs, the monitoring module issues a “check start request” command to each target module. The target module is
When the “check start request” command is received, for example, the operation of each block in the target module is checked. When the operation check of each block is completed,
A “check completion notification” response is returned to the monitoring module.

[0004] Upon receiving the "check end notification" response, the monitoring module issues an "error log notification request" command requesting specific check results to the target module. The target module that has received the “error log notification request” command returns an “error log notification” response indicating “NG” or “OK” for each check target to the monitoring module.

[0005] The monitoring module updates the error log in the storage device of the monitoring module according to the check result notified by the "error log notification" response. The system administrator writes the error log in the storage device,
Display on a display device connected to the monitoring module,
It is possible to confirm the operation state and the error location in the target module by causing a printing device connected to the monitoring module to print out.

[0006]

Since the conventional error log collecting method is performed as described above, it is difficult to return an "error log notification" response to the target module (monitored device). If a fault has occurred, such a fault becomes apparent with the execution of the test. Therefore, there may be a case where an “error log notification” response cannot be transmitted in response to the “error log notification request”. In this case, there is a problem that information indicating “NG” or “OK” cannot be obtained for each check item in the monitoring module (monitoring device), so that an error point in the monitored device cannot be confirmed.

Accordingly, an object of the present invention is to provide an error log collection system capable of specifying an error location in a monitoring device even if a failure occurs in which a "error log notification" response cannot be notified in the monitored device. I do.

[0008]

In an error log collection system according to the present invention, a monitored device executes a check on each check item in response to a request from a monitor device, and monitors the check result each time the check is completed. And the monitoring device is configured to determine that a failure has occurred for an item for which a check result is not returned.

The monitoring device requests the monitored device for check items that can be executed by the monitored device, and recognizes each item returned in response to the request as all check items related to the monitored device. It may be configured.

[0010] The monitoring device may be configured to attach an error mark to an item for which an abnormal check result has been returned, and to save a check result of all check items as a log.

[0011] The monitoring device is configured so that the check result is described on a check list including all check items, and when the check results are described on all check items on the check list, the check results regarding all check items are stored as a log. It may be.

The monitored device sends back the information indicating the version of the monitoring device to the information monitoring device in response to a request from the monitoring device, and the monitoring device returns the information indicating the returned version to the information obtained last time. In such a case, the configuration may be such that the request for the check item to the monitored device is omitted.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an example of the configuration of a communication system such as a transmission device and a switching device that constitutes an error log collection system according to the present invention. In FIG. 1, a main package 10 is connected to a number of interface packages 21, 22, 23 via a communication path 30 such as a bus or a communication line. Each of the interface packages 21, 22, and 23 is connected to another system such as a terminal device (not shown) by a line or the like. The main package 10 performs multiplexing processing and channel separation processing in a transmission device, and performs circuit switching processing and the like in a switching device.

The main package 10 has an error log collecting function, and the interface packages 21 and
2 and 23 have an error log return function of checking the operation of each block and each function in response to a request from the main package 10 and returning the check result to the main package 10. Therefore, the main package 10 corresponds to a monitoring module, and each of the interface packages 21 and
Reference numerals 2 and 23 correspond to target modules.

Next, the operation will be described with reference to the sequence diagram of FIG. 2 and the explanatory diagram of FIG. Note that FIG. 2 shows an example in which error log collection is performed on one target module. However, in practice, error log collection is performed on all target modules in the system. Also, as shown in FIG. 3, in this example,
Assume that there are five check items. The phases shown in FIG. 3 are, for example, blocks and functions in the target module, and tests 1, 2, and 3 indicate different tests. For example, the tests 1, 2, and 3 are simple, medium, and detailed tests for a certain block, or tests for sub-blocks and sub-functions within a certain block or function.

The monitoring module first issues an "all check item notification request" command to each target module. In response to the command, each target module notifies the monitoring module of the check items that can be performed by the target module in a “notify all check items” response. The monitoring module creates, for example, a check item list shown in FIG. 3A according to the response.

Then, the monitoring module issues a "check start request" command to the target module.
Upon receiving the “check start request” command, the target module sequentially tests, for example, the operation of each block or function in the target module. In this embodiment, when the test of one item is completed, the target module notifies the monitoring module of the check result of the item as a “check item n result notification” response (n = 1 to N).

The monitoring module updates the check item list in accordance with the "NG" or "OK" information notified each time a "check item n result notification" response is notified. FIG. 3B shows an example of an updated check item list in a case where "OK" information is included in all "check item n result notification" responses. FIG. 3C shows an example of an updated check item list in the case where information of “NG” is included in the third to fifth “check item n result notification” responses. And the monitoring module
When the "check item n result notification" response is notified for all the check items in the target module, the error log in the storage device of the monitoring module is updated with the updated check item list.

The administrator of the system displays the error log in the storage device on a display device connected to the monitoring module or prints out the error log in the printing device connected to the monitoring module, thereby executing the operation in the target module. The status and error location can be checked.

In FIG. 3D, although the first to third "check item n result notification" responses are returned, the fourth "check item n result notification" response is not returned. Here is an example of the check item list in the case of the check. The monitoring module detects, for example, that the fourth “check item n result notification” response wait timeout has occurred, and knows that the fourth “check item n result notification” response has not been returned. .
Thereafter, the monitoring module updates the error log in the storage device of the monitoring module with the check item list shown in FIG.

Then, the administrator of the system, as shown in FIG.
The target module knows from the error log corresponding to the check item list shown in (1) that a serious failure has occurred such that a response cannot be returned in the block or function checked in the test 2 of phase 2. be able to. In other words, even when a severe failure has occurred in the target module, it is possible to identify a location where such a failure has occurred in the monitoring module.

FIG. 4 is a sequence diagram showing another embodiment of the present invention. In the error log collection sequence shown in FIG. 4, the monitoring module first issues a "version notification request" command to the target module. The target module returns a “version notification” response for notifying the version of the target in response to the “version notification request” command.

As shown in FIG. 4, the monitoring module comprises:
The version of the target module notified by the “version notification” response is compared with the version notified previously. If they match, it can be determined that the check items for the target module have not changed. Therefore, the monitoring module immediately issues a “check start request” command to the target module.

If they do not match, the check items that can be executed by the target module may have changed. Therefore, the monitoring module issues a “all check item notification request” command, and newly creates a check item list according to the “all check item notification” response returned in response to the command. afterwards,
Issue a "check start request" command to the target module. Subsequent operations are the same as in the first embodiment.

In this embodiment, a check item list is not created for a target module whose check items have not changed, and the previous check item list is used as it is. Therefore, the check item creation processing can be omitted, and the “check start request” can be performed at high speed.
Commands can be issued.

In each of the above embodiments, a communication system such as a transmission device or a switching device has been described as an example. However, in the error log collection system according to the present invention, the monitoring device is provided either periodically or externally. The present invention can be applied to any system that collects the status information of each target according to. For example, the present invention can be applied to an information processing system or the like in which a central device has a function of collecting status information of each client device.

[0027]

As described above, according to the present invention, the error log collection system allows the monitored device to execute a check on each check item in response to a request from the monitor device, and to check each time the check is completed. The result is sent to the monitoring device, and the monitoring device is configured to determine that a failure has occurred for the item for which the check result is not returned. However, there is an effect that an error location can be specified in the monitoring device.

The monitoring device requests the monitored device for check items that can be executed by the monitored device, and recognizes each item returned in response to the request as all check items related to the monitored device. If configured,
The monitoring device is always based on all the latest check items,
It is possible to determine that a failure has occurred for an item for which a check result is not returned.

If the monitoring device is configured to add an error mark to an item for which an abnormal check result has been returned and save the check results of all the check items as a log, the system administrator needs to save the log. The status of the monitored device can be easily determined from the log that has been set.

[0030] The monitoring device writes the check results on a checklist including all the check items, and saves the check results for all the check items as a log when the check results are described on all the check items on the checklist. If the check has been performed, the check result is temporarily written in the check list until the check result of all check items is notified, so the saved log will be rewritten after the check of all check items is completed, The integrity of the stored logs is not compromised.

The monitored device returns to the information monitoring device indicating the version of the monitoring device in response to the request from the monitoring device, and the monitoring device returns the information indicating the returned version to the information obtained last time. In such a case, if the check item request to the monitored device is omitted, a check start request command can be issued quickly, and error log collection can be completed earlier.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an example of an error log collection system according to the present invention.

FIG. 2 is a sequence diagram illustrating an operation of the error log collection system according to the first embodiment.

FIG. 3 is an explanatory diagram showing an example of the contents of a check list.

FIG. 4 is a sequence diagram illustrating an operation of the error log collection system according to the second embodiment.

FIG. 5 is a sequence diagram showing an operation of a conventional error log collection system.

[Explanation of symbols]

10 Main Package (Monitoring Module) 21-23 Interface Package (Target Module) 30 Communication Path

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[Procedure amendment]

[Submission date] September 1, 1999 (1999.9.1)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction contents]

[0008]

In an error log collection system according to the present invention, a monitored device executes a check on each check item in response to a request from a monitor device, and monitors the check result each time the check is completed. To the monitored device, and the monitored device can execute the
Items that were requested and returned in response to that request
Recognize eyes as all check items for the monitored device
Then, it is configured to determine that a failure has occurred for an item for which a check result is not returned.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Deleted

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0027

[Correction method] Change

[Correction contents]

[0027]

As described above, according to the present invention, the error log collection system allows the monitored device to execute a check on each check item in response to a request from the monitor device, and to check each time the check is completed. Sending the result to the monitoring device, which can execute the monitored device with respect to the monitored device
Requested a check item and returned in response to the request
Each item as all check items for the monitored device
Since it is configured to recognize and determine that a failure has occurred for items for which check results are not returned,
Even if a failure has occurred such that the "error log notification" response cannot be notified, the monitoring device has the effect of specifying the error location. Also, always check the latest check items
Based on the items for which check results are not returned
It can be determined that a failure has occurred.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0028

[Correction method] Deleted

Claims (5)

[Claims] 1. An error log collection system in which a monitoring device collects status information of a monitored device, wherein the monitored device performs a check on each check item in response to a request from the monitoring device, and terminates each check. An error log collection system, wherein a check result is sent to a monitoring device each time the monitoring device determines that a failure has occurred for an item for which the check result is not returned. 2. The monitoring device requests the monitored device for check items that can be executed by the monitored device, and recognizes each item returned in response to the request as all check items related to the monitored device. The error log collection system according to claim 1. 3. The error log collection system according to claim 2, wherein the monitoring device attaches an error mark to the item to which the abnormality check result is returned, and saves a check result of all check items as a log. 4. The monitoring device requests a check result to be written on a check list including all check items, and saves the check results for all check items as a log when the check results are described in the check list on the check list. Item 3. An error log collection system according to item 3. 5. The monitored device returns a version of its own device to the information monitoring device in response to a request from the monitoring device, and the monitoring device matches the information indicating the returned version with the information obtained last time. 5. The error log collection system according to claim 4, wherein the request for the check item to the monitored device is omitted when the error is detected.