JP2009076103A5 - - Google Patents
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- JP2009076103A5 JP2009076103A5 JP2008325500A JP2008325500A JP2009076103A5 JP 2009076103 A5 JP2009076103 A5 JP 2009076103A5 JP 2008325500 A JP2008325500 A JP 2008325500A JP 2008325500 A JP2008325500 A JP 2008325500A JP 2009076103 A5 JP2009076103 A5 JP 2009076103A5
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- 230000014509 gene expression Effects 0.000 claims 51
- 238000001514 detection method Methods 0.000 claims 32
- 238000011084 recovery Methods 0.000 claims 17
- OZAIFHULBGXAKX-UHFFFAOYSA-N precursor Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims 8
- 230000000694 effects Effects 0.000 claims 6
- 238000009825 accumulation Methods 0.000 claims 4
Claims (14)
前記サービス実行手段で障害が発生した場合の動作状態または障害の前兆と推測される動作状態を判定するための条件式とその動作状態になった場合に障害を復旧または回避するための対処コマンドとルール間の適用順序の優先度情報とを含む複数の障害対処ルールを蓄積するルール蓄積手段と、
前記ルール蓄積手段から、前記動作状態検出手段で検出された前記サービス実行手段の現在の動作状態に合致する条件式を持つルールを取り出し、その優先度情報に応じて順次試行するとともに、前記現在の動作状態に合致した条件式の否定から前記対処コマンドを実行した後に変化すると予想される動作状態の変化情報を生成して状態レジスタに出力する対処方法検索手段と、
前記状態レジスタに保持された動作状態の変化情報と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態を比較して、対処コマンドによる復旧または回避の成否を判定し、その結果に応じて前記優先度情報を修正する効果判定手段と、を含み、
前記動作状態検出手段の出力である前記サービス実行手段の動作状態が前記障害対処ルールに含まれる条件式のうち複数の異なる条件式と合致する場合、前記対処方法検索手段は、同じ条件式を有するルール群から優先度に応じて対処コマンドを１つづつ選択して対処コマンド群を生成した後、その対処コマンド群に含まれる対処コマンドを優先度の高い順に試行することを特徴とする障害復旧装置。
An operation state detection unit for detecting an operation state of the service execution unit;
A conditional expression for determining an operation state when a failure occurs in the service execution means or an operation state presumed to be a precursor to the failure, and a countermeasure command for recovering or avoiding the failure when the operation state is reached; Rule accumulation means for accumulating a plurality of failure handling rules including priority information on the application order between rules;
A rule having a conditional expression that matches the current operation state of the service execution unit detected by the operation state detection unit is extracted from the rule storage unit, and the rule is sequentially tried according to the priority information, and the current Coping method search means for generating operating state change information expected to change after execution of the coping command from negation of a conditional expression that matches the operating state, and outputting the information to the state register;
Compare the operation state change information held in the state register with the operation state of the service execution means after execution of the countermeasure command, which is the output of the operation state detection means, and determine the success or failure of the recovery or avoidance by the countermeasure command and, seen containing a effect judging means for modifying said priority information according to the result, the,
When the operation state of the service execution unit, which is an output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit has the same conditional expression A failure recovery apparatus characterized in that after selecting a countermeasure command from a rule group one by one according to priority and generating a countermeasure command group, the countermeasure commands included in the countermeasure command group are tried in descending order of priority. .
前記サービス実行手段で障害が発生した場合の動作状態または障害の前兆と推測される動作状態を判定するための条件式であって、前記動作状態の１または複数の状態変数とその閾値を規定する条件式と、その動作状態になった場合に障害を復旧または回避するための対処コマンドと、この対処コマンドの実行によって変化する前記状態変数の値を示す実績値情報とを含む複数の障害対処ルールを蓄積するルール蓄積手段と、
前記ルール蓄積手段から、前記動作状態検出手段で検出された前記サービス実行手段の現在の動作状態に合致する条件式を有し且つ現在の動作状態と前記実績値情報とから推測される対処コマンド実行後の動作状態が前記合致した条件式を満たさなくなるルールを取り出して試行するとともに、前記対処コマンドを実行する前の前記状態変数の値を状態レジスタに出力する対処方法検索手段と、
前記状態レジスタに保持された前記対処コマンドを実行する前の前記状態変数の値と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態における前記状態変数の値を比較して、前記実績値情報を修正する効果判定手段と、を含むことを特徴とする障害復旧装置。
An operation state detection unit for detecting an operation state of the service execution unit;
A conditional expression for determining an operation state when a failure occurs in the service execution unit or an operation state presumed to be a precursor of the failure, and defines one or more state variables of the operation state and a threshold value thereof A plurality of failure handling rules including a conditional expression, a handling command for recovering or avoiding a fault when the operation state is reached, and actual value information indicating the value of the state variable that changes due to execution of the handling command Rule accumulation means for accumulating
Execution of coping command having a conditional expression that matches the current operation state of the service execution unit detected by the operation state detection unit and inferred from the current operation state and the actual value information from the rule storage unit Retrieval method search means for extracting and trying a rule that causes a later operation state not to satisfy the matched conditional expression, and outputting the value of the state variable before executing the countermeasure command to a state register;
The value of the state variable before executing the countermeasure command held in the state register and the value of the state variable in the operation state of the service execution means after execution of the countermeasure command which is the output of the operation state detection means A failure recovery apparatus comprising: an effect determination means for correcting the result value information in comparison.
When the operation state of the service execution unit, which is an output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit has the same conditional expression The response command group is selected one by one from the rule group according to the actual value information to generate the response command group, and the response commands included in the response command group are tried in descending order of the actual value. The failure recovery apparatus according to 2 .
前記サービス実行手段で障害が発生した場合の動作状態または障害の前兆と推測される動作状態を判定するための条件式であって、前記動作状態の１または複数の状態変数とその閾値を規定する条件式と、その動作状態になった場合に障害を復旧または回避するための対処コマンドと、この対処コマンドの実行によって変化する前記状態変数の値を示す実績値情報と、ルール間の適用順序の優先度情報とを含む複数の障害対処ルールを蓄積するルール蓄積手段と、
前記ルール蓄積手段から、前記動作状態検出手段で検出された前記サービス実行手段の現在の動作状態に合致する条件式を有し且つ現在の動作状態と前記実績値情報とから推測される対処コマンド実行後の動作状態が前記合致した条件式を満たさなくなるルールを優先度情報による優先度順に取り出して試行するとともに、前記対処コマンドを実行した後に変化すると予想される動作状態の変化情報および前記対処コマンドを実行する前の前記状態変数の値を状態レジスタに出力する対処方法検索手段と、
前記状態レジスタに保持された動作状態の変化情報と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態を比較して対処コマンドによる復旧または回避の正否を判定し、その結果に応じて前記優先度情報を修正するとともに、前記状態レジスタに保持された前記対処コマンドを実行する前の前記状態変数の値と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態における前記状態変数の値を比較して、前記実績値情報を修正する効果判定手段と、を含むことを特徴とする障害復旧装置。
An operation state detection unit for detecting an operation state of the service execution unit;
A conditional expression for determining an operation state when a failure occurs in the service execution unit or an operation state presumed to be a precursor of the failure, and defines one or more state variables of the operation state and a threshold value thereof Conditional expression, countermeasure command for recovering or avoiding a failure when the operation state is reached, actual value information indicating the value of the state variable that changes due to execution of the countermeasure command, and the order of application between rules Rule storage means for storing a plurality of failure handling rules including priority information;
Execution of coping command having a conditional expression that matches the current operation state of the service execution unit detected by the operation state detection unit and inferred from the current operation state and the actual value information from the rule storage unit A rule in which a later operation state does not satisfy the matched conditional expression is taken out in order of priority according to priority information, and the change information of the operation state expected to change after the execution of the countermeasure command and the countermeasure command Coping method search means for outputting the value of the state variable before execution to a state register;
The operation status change information held in the status register is compared with the operation status of the service execution means after execution of the response command, which is the output of the operation status detection means, to determine whether the recovery by the response command is correct or not. The priority information is modified according to the result, and the value of the state variable before execution of the countermeasure command held in the state register and the output of the operation state detecting means after execution of the countermeasure command The failure recovery apparatus comprising: an effect determination unit that compares the value of the state variable in the operation state of the service execution unit and corrects the actual value information.
When the operation state of the service execution unit, which is an output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit has the same conditional expression A response command group is generated by selecting a response command one by one from the rule group according to the priority and the actual value, and then the response commands included in the response command group are tried in descending order of priority. The failure recovery apparatus according to claim 4 .
When the operation state of the service execution unit, which is the output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit uses the different conditional expressions. If the addressed command common is present, the fault recovery apparatus according to any one of claims 1 to 5, characterized in that attempting to common addressing command preferentially.
ｂ）対処方法検索手段が、前記サービス実行手段で障害が発生した場合の動作状態または障害の前兆と推測される動作状態を判定するための条件式とその動作状態になった場合に障害を復旧または回避するための対処コマンドとルール間の適用順序の優先度情報とを含む複数の障害対処ルールを蓄積するルール蓄積手段から、前記動作状態検出手段で検出された前記サービス実行手段の現在の動作状態に合致する条件式を持つルールを取り出し、その優先度情報に応じて順次試行するとともに、前記現在の動作状態に合致した条件式の否定から前記対処コマンドを実行した後に変化すると予想される動作状態の変化情報を生成して状態レジスタに出力するステップ
ｃ）前記動作状態検出手段が、前記対処コマンド実行後の前記サービス実行手段の動作状態を検出するステップ
ｄ）効果判定手段が、前記状態レジスタに保持された動作状態の変化情報と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態を比較して、対処コマンドによる復旧または回避の成否を判定し、その結果に応じて前記優先度情報を修正するステップを含み、
前記動作状態検出手段の出力である前記サービス実行手段の動作状態が前記障害対処ルールに含まれる条件式のうち複数の異なる条件式と合致する場合、前記対処方法検索手段は、同じ条件式を有するルール群から優先度に応じて対処コマンドを１つづつ選択して対処コマンド群を生成した後、その対処コマンド群に含まれる対処コマンドを優先度の高い順に試行することを特徴とする障害復旧方法。
a) The operation state detection means detects the operation state of the service execution means. b) The coping method search means indicates an operation state when a failure occurs in the service execution means or an operation state presumed to be a precursor of the failure. From a rule accumulation means for accumulating a plurality of failure handling rules including a conditional expression for determination and a handling command for recovering or avoiding a failure when the operation state is reached and priority information on the order of application between rules Then, a rule having a conditional expression that matches the current operation state of the service execution unit detected by the operation state detection unit is taken out, tried in accordance with the priority information, and matched with the current operation state. step c for generating and outputting a change information of the operating conditions that are expected to vary from negative condition after performing the address command status register A step of detecting an operation state of the service execution unit after the execution of the coping command; d) an effect determination unit including change information of the operation state held in the state register and the operation state detection unit; comparing the operating state of the service execution means after an output run the Action command, determines the success or failure of the recovery or avoidance address command, see contains the step of modifying the priority information in accordance with the result,
When the operation state of the service execution unit, which is an output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit has the same conditional expression A failure recovery method comprising: selecting a countermeasure command one by one from a rule group according to priority and generating a countermeasure command group; and then trying the countermeasure commands included in the countermeasure command group in descending order of priority .
ｂ）対処方法検索手段が、前記サービス実行手段で障害が発生した場合の動作状態または障害の前兆と推測される動作状態を判定するための条件式であって、前記動作状態の１または複数の状態変数とその閾値を規定する条件式と、その動作状態になった場合に障害を復旧または回避するための対処コマンドと、この対処コマンドの実行によって変化する前記状態変数の値を示す実績値情報とを含む複数の障害対処ルールを蓄積するルール蓄積手段から、前記動作状態検出手段で検出された前記サービス実行手段の現在の動作状態に合致する条件式を有し且つ現在の動作状態と前記実績値情報とから推測される対処コマンド実行後の動作状態が前記合致した条件式を満たさなくなるルールを取り出して試行するとともに、前記対処コマンドを実行する前の前記状態変数の値を状態レジスタに出力するステップ
ｃ）前記動作状態検出手段が、前記対処コマンド実行後の前記サービス実行手段の動作状態を検出するステップ
ｄ）効果判定手段が、前記状態レジスタに保持された前記対処コマンドを実行する前の前記状態変数の値と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態における前記状態変数の値を比較して、前記実績値情報を修正するステップを含むことを特徴とする障害復旧方法。
a) The operation state detection means detects the operation state of the service execution means. b) The coping method search means indicates an operation state when a failure occurs in the service execution means or an operation state presumed to be a precursor of the failure. A conditional expression for determining, a conditional expression defining one or more state variables of the operation state and a threshold value thereof, a countermeasure command for recovering or avoiding a failure when the operation state is reached, From a rule accumulating unit that accumulates a plurality of fault handling rules including actual value information indicating the value of the state variable that is changed by execution of the coping command, a current execution of the service executing unit detected by the operation state detecting unit A conditional expression that matches the operating state, and the operating condition after execution of the coping command estimated from the current operating state and the actual value information A step of taking out a rule that will be lost and trying it, and outputting the value of the state variable before execution of the handling command to a status register; c) the service execution means after execution of the handling command; D) detecting the operation state of the state d) after the execution of the coping command, which is the value of the state variable before the execution of the coping command held in the state register and the output of the operation state detecting unit Comparing the value of the state variable in the operating state of the service execution means and correcting the actual value information, a failure recovery method characterized by comprising:
When the operation state of the service execution unit, which is an output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit has the same conditional expression The response command group is selected one by one from the rule group according to the actual value information to generate the response command group, and the response commands included in the response command group are tried in descending order of the actual value. 8. The failure recovery method according to 8 .
ｂ）対処方法検索手段が、前記サービス実行手段で障害が発生した場合の動作状態または障害の前兆と推測される動作状態を判定するための条件式であって、前記動作状態の１または複数の状態変数とその閾値を規定する条件式と、その動作状態になった場合に障害を復旧または回避するための対処コマンドと、この対処コマンドの実行によって変化する前記状態変数の値を示す実績値情報と、ルール間の適用順序の優先度情報とを含む複数の障害対処ルールを蓄積するルール蓄積手段から、前記動作状態検出手段で検出された前記サービス実行手段の現在の動作状態に合致する条件式を有し且つ現在の動作状態と前記実績値情報とから推測される対処コマンド実行後の動作状態が前記合致した条件式を満たさなくなるルールを優先度情報による優先度順に取り出して試行するとともに、前記対処コマンドを実行した後に変化すると予想される動作状態の変化情報および前記対処コマンドを実行する前の前記状態変数の値を状態レジスタに出力するステップ
ｃ）前記動作状態検出手段が、前記対処コマンド実行後の前記サービス実行手段の動作状態を検出するステップ
ｄ）効果判定手段が、前記状態レジスタに保持された動作状態の変化情報と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態を比較して対処コマンドによる復旧または回避の正否を判定し、その結果に応じて前記優先度情報を修正するとともに、前記状態レジスタに保持された前記対処コマンドを実行する前の前記状態変数の値と前記動作状態検出手段の出力である前記対処コマンド実行後の前記サービス実行手段の動作状態における前記状態変数の値を比較して、前記実績値情報を修正するステップを含むことを特徴とする障害復旧方法。
a) The operation state detection means detects the operation state of the service execution means. b) The coping method search means indicates an operation state when a failure occurs in the service execution means or an operation state presumed to be a precursor of the failure. A conditional expression for determining, a conditional expression defining one or more state variables of the operation state and a threshold value thereof, a countermeasure command for recovering or avoiding a failure when the operation state is reached, From the rule accumulation means for accumulating a plurality of failure handling rules including actual value information indicating the value of the state variable that changes by execution of the handling command, and priority information of the application order between the rules, the operation state detection means Execution of a coping command having a conditional expression that matches the current operation state of the service execution means detected in step 1 and inferred from the current operation state and the actual value information A rule that does not satisfy the matched conditional expression is taken out in order of priority based on priority information, and at the same time, the operating state change information expected to change after executing the countermeasure command and the countermeasure command are executed. A step of outputting the value of the state variable before the operation to the state register; c) a step of detecting the operation state of the service execution unit after the execution of the coping command; The operation state change information held in the register is compared with the operation state of the service execution means after execution of the countermeasure command, which is the output of the operation state detection means, to determine whether recovery or avoidance by the countermeasure command is correct or not The priority information is corrected according to the result, and the countermeasure command stored in the status register is corrected. The actual value information is corrected by comparing the value of the state variable before execution of the state variable with the value of the state variable in the operation state of the service execution unit after execution of the handling command, which is the output of the operation state detection unit. A failure recovery method comprising the steps of:
When the operation state of the service execution unit, which is an output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit has the same conditional expression A response command group is generated by selecting a response command one by one from the rule group according to the priority and the actual value, and then the response commands included in the response command group are tried in descending order of priority. The failure recovery method according to claim 10 .
When the operation state of the service execution unit, which is the output of the operation state detection unit, matches a plurality of different conditional expressions among the conditional expressions included in the failure handling rule, the coping method search unit uses the different conditional expressions. If the addressed command common exists, error recovery method according to any one of claims 7 to 11, characterized in that attempting to common addressing command preferentially.
An operational state detection unit for detecting an operational state of a service execution unit, a conditional expression for determining an operation state when a failure occurs in the service execution unit or an operation state presumed to be a precursor of a failure. , A conditional expression that defines a threshold value for one or more state variables of the operation state, a countermeasure command for recovering or avoiding a failure when the operation state is reached, and the state that is changed by execution of the countermeasure command From a rule storage unit that stores a plurality of failure handling rules including actual value information indicating a value of a variable, and having a conditional expression that matches the current operation state of the service execution unit detected by the operation state detection unit The rule that the operation state after execution of the coping command estimated from the current operation state and the actual value information does not satisfy the matched conditional expression Coping method search means for extracting and trying and outputting the value of the state variable before executing the coping command to the status register, value of the state variable before executing the coping command held in the state register And an effect determination unit that corrects the actual value information by comparing the value of the state variable in the operation state of the service execution unit after execution of the coping command, which is the output of the operation state detection unit.
An operational state detection unit for detecting an operational state of a service execution unit, a conditional expression for determining an operation state when a failure occurs in the service execution unit or an operation state presumed to be a precursor of a failure. , A conditional expression that defines a threshold value for one or more state variables of the operation state, a countermeasure command for recovering or avoiding a failure when the operation state is reached, and the state that is changed by execution of the countermeasure command The current state of the service execution means detected by the operation state detection means from a rule storage means for storing a plurality of failure handling rules including actual value information indicating variable values and priority information of the application order between rules And the operation state after execution of the coping command estimated from the current operation state and the actual value information is The rule that does not satisfy the conditional expression is extracted and tried in order of priority based on priority information, and the change information of the operating state that is expected to change after executing the coping command and the state variable before executing the coping command The response method search means for outputting the value of the service state to the status register, the change information of the operation state held in the status register and the operation state of the service execution means after execution of the response command which is the output of the operation status detection means are compared Determining whether the recovery by the handling command is correct or not, correcting the priority information according to the result, and the value of the state variable before executing the handling command held in the status register and the Before the operation state of the service execution means after execution of the countermeasure command, which is an output of the operation state detection means By comparing the value of the state variable, the effect determination means for correcting the actual value information, a program to function as a.
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| JP2008325500A JP4998455B2 (en) | 2008-12-22 | 2008-12-22 | Failure recovery apparatus, failure recovery method and program |
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| JP2008325500A JP4998455B2 (en) | 2008-12-22 | 2008-12-22 | Failure recovery apparatus, failure recovery method and program |
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| JP2003275107A Division JP4728565B2 (en) | 2003-07-16 | 2003-07-16 | Failure recovery apparatus, failure recovery method and program |
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| JPH02137035A (en) * | 1988-11-18 | 1990-05-25 | Hitachi Ltd | Trouble diagnostic devices for computer system |
| JPH02194437A (en) * | 1989-01-24 | 1990-08-01 | Nippondenso Co Ltd | Inference device using knowledge base |
| JPH03144831A (en) * | 1989-10-31 | 1991-06-20 | Matsushita Electric Ind Co Ltd | System restoring method |
| JP2000293451A (en) * | 1999-04-06 | 2000-10-20 | Mitsubishi Electric Corp | Distributed data distribution control system and distribution monitoring method |
| JP2002342184A (en) * | 2001-05-16 | 2002-11-29 | Matsushita Electric Ind Co Ltd | Retry processor and retry processing program |
| US7194445B2 (en) * | 2002-09-20 | 2007-03-20 | Lenovo (Singapore) Pte. Ltd. | Adaptive problem determination and recovery in a computer system |
| US7089450B2 (en) * | 2003-04-24 | 2006-08-08 | International Business Machines Corporation | Apparatus and method for process recovery in an embedded processor system |
| JP2005018179A (en) * | 2003-06-24 | 2005-01-20 | Hitachi Ltd | Obstacle monitoring device |
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