JPS60543A - State information reporting method of input-output control device - Google Patents
State information reporting method of input-output control deviceInfo
- Publication number
- JPS60543A JPS60543A JP58108804A JP10880483A JPS60543A JP S60543 A JPS60543 A JP S60543A JP 58108804 A JP58108804 A JP 58108804A JP 10880483 A JP10880483 A JP 10880483A JP S60543 A JPS60543 A JP S60543A
- Authority
- JP
- Japan
- Prior art keywords
- input
- error
- output control
- control device
- state information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0745—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in an input/output transactions management context
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Debugging And Monitoring (AREA)
Abstract
Description
【発明の詳細な説明】
（ａ）発明の技術分野
入出力装置や入出力制御装置で発生したエラ一時の状態
情報を入出力制御装置が上位装置に報告し、その情報を
エラー探索の情報とする入出力制御装置の状態情報報告
方法に関する。Detailed Description of the Invention (a) Technical Field of the Invention An input/output control device reports temporary status information of an error occurring in an input/output device or input/output control device to a higher-level device, and uses the information as error search information. The present invention relates to a method for reporting status information of an input/output control device.
（ｂ）技術の背景
コンピュータシステムの利用が高度化、複雑化して来た
ことにより、システムを構成している各装置で発生し発
見されるエラー情報は出来るだけ詳細にしかも出来るだ
け多く収集し早期にエラーとなる原因を除去することで
システム全体の信頼性を常に確保することが要求される
ようになってきた。(b) Background of the technology As the use of computer systems has become more sophisticated and complex, error information that occurs and is discovered in each device that makes up the system should be collected in as much detail and as much as possible as early as possible. It has become necessary to always ensure the reliability of the entire system by eliminating the causes of errors.
（Ｃ）従来技術と問題点
現在入出力装置や入出力制御装置でエラーが発生ずると
、入出力制御装置はエラーが発生した事を示す状態情報
（以下センスハイドと称する）を上位装置に報告し、上
位装置は報告されたセンスバイトの情報に従ってリトラ
イを行う。(C) Prior art and problems Presently, when an error occurs in an input/output device or input/output control device, the input/output control device reports status information (hereinafter referred to as sense hide) indicating that an error has occurred to the host device. However, the higher-level device performs a retry according to the reported sense byte information.
又、報告されたセンスバイトの情報により保守者はどの
装置でどのようなエラーが発生したかの切分けを行う、
従ってセンスバイトの情報は正確でしかも出来るだけ多
くの情報が必要であるが、現状では上位装置からの１つ
の処理命令にたいして最大１つのセンスバイトしか報告
されない為エラーがどのような場合に発生したかの切分
けが難しい欠点がある。Also, based on the sense byte information that is reported, maintenance personnel can isolate what kind of error occurred in which device.
Therefore, the sense byte information needs to be accurate and as much information as possible, but currently only a maximum of one sense byte is reported for one processing instruction from the host device, so it is difficult to know when an error has occurred. There is a drawback that it is difficult to isolate.
（ｄ）発明の目的
本発明は、上記欠点を解消した新規な入出力制御装置の
センスバイト報告方法を提供することを目的とし、特に
入出力制御装置から上位装置へ報告するセンスバイトの
情報として、（１）入出力制御装置で最初に回復可能な
エラーが発生した場合、（２）入出力制御装置で回復可
能なエラーが発生したが、そのエラーが入出力制御装置
のりトライで回復が出来なかった場合、（３）入出力制
御装置で回復可能なエラーが発生したが、入出力制御装
置のりトライ中に回復不可能なエラーに変わった場合、
（４）入出力制御装置で回復可能なエラーが発生したが
、入出力制御装置のりトライ中に前のエラーとは別のエ
ラーに変わり、そのエラーが回復出来なかった場合、の
ような各処理状況に応して発行された各種のセンスバイ
トを報告することにより、発生したエラーを早期に切分
は発見するための重要な手掛りとする入出力制御装置の
センスバイト報告方法を実現することにある。(d) Purpose of the Invention The object of the present invention is to provide a novel sense byte reporting method for an input/output control device that eliminates the above-mentioned drawbacks, and in particular, as sense byte information reported from an input/output control device to a higher-level device. (1) If a recoverable error occurs first in the input/output control device, (2) If a recoverable error occurs in the input/output control device, but the error cannot be recovered by trying the input/output control device. (3) If a recoverable error occurred in the input/output controller, but it turned into an unrecoverable error while trying to connect the input/output controller,
(4) When a recoverable error occurs in the input/output control device, but the error changes to a different error from the previous error during the input/output control device connection attempt, and the error cannot be recovered, each process such as By reporting various sense bytes issued according to the situation, we have realized a sense byte reporting method for input/output control devices that provides important clues for early detection of errors that have occurred. be.
（ｅ）発明の構成
本発明は、入出力装置を制御する入出力制御装置より該
入出力装置や該入出力制御装置のエラー情報を上位装置
に報告する入出力制御装置のセンスバイト報告方法であ
って、該入出力制御装置が回復可能なエラーのりトライ
中、別のエラーが発生した場合、該入出力制御装置は全
てのセンスバイトを蓄えておき、該上位装置への報告は
該上位装置からの状態情報バイト数報告命令（センスカ
ウンクコマンド）受信により状態情報のバイト（センス
バイト）数を報告し、報告したセンスバイト数だけの状
態情報報告命令（センスコマンド）受信により順次蓄え
たセンスハイドを該上位装置に報告することにより、発
生したエラーを早期に切分は発見するための重要な手掛
りとすることを特徴とする入出力制御装置のセンスバイ
ト報告方法により達成することが出来る。(e) Structure of the Invention The present invention provides a sense byte reporting method for an input/output control device in which an input/output control device that controls the input/output device reports error information of the input/output device or the input/output control device to a higher-level device. If another error occurs while the input/output controller is trying to recover from a recoverable error, the input/output controller stores all sense bytes and reports to the higher-level device. The number of status information bytes (sense bytes) is reported by receiving a status information byte count report command (sense count command) from This can be achieved by a sense byte reporting method for an input/output control device, which is characterized in that by reporting the hide to the host device, it becomes an important clue for early detection of an error that has occurred.
（ｆ）発明の実施例 以下本発明を図面を参照して説明する。(f) Examples of the invention The present invention will be explained below with reference to the drawings.
第１図は本発明に係るシステムの一実施例を示し、第２
図は本発明に係るシステムの一実施例の処理概要をそれ
ぞれ示す。FIG. 1 shows an embodiment of the system according to the present invention, and FIG.
The figures each show a processing outline of an embodiment of the system according to the present invention.
図において、１は上位装置、２は入出力制御装置、３は
論理回路、４は報告回路、５は判定回路、６は記憶回路
、７はデバイスインタフェース回路、８は入出力装置を
それぞれ示す、面図において、Ａ、Ｂの実線は「処理命
令」を、Ａ’、Ｂ”の破線は「処理結果報告」を示す。In the figure, 1 is a host device, 2 is an input/output control device, 3 is a logic circuit, 4 is a report circuit, 5 is a judgment circuit, 6 is a storage circuit, 7 is a device interface circuit, and 8 is an input/output device. In the top view, solid lines A and B indicate "processing instructions," and broken lines A' and B'' indicate "processing result report."
又第２図において、■〜０は本発明に係るシステムの動
作順序を示す。Further, in FIG. 2, 1 to 0 indicate the operating order of the system according to the present invention.
本実施例の入出力制御装置２には、上位装置１からの「
処理命令」の検出、エラーの解析、エラーのりトライ処
理、エラー情報の検討等を行う論理回路３、エラー発生
の有無、エラーのりトライ処理の可能性、直前に発生し
たエラーとの比較判定等を行う判定回路５、エラー情報
の検討結果。The input/output control device 2 of this embodiment receives “
Logic circuit 3 detects "processing instructions", analyzes errors, performs error retry processing, examines error information, etc., detects whether or not an error has occurred, possibility of error retry processing, and compares and judges with the error that occurred immediately before. Judgment circuit 5 to perform and examination results of error information.
発生したエラーのりトライ処理結果等の処理状況を記憶
する記憶回路６、入出力装置８との情報の送受を行うデ
バイスインタフェース回路７が設けられている。A storage circuit 6 that stores processing status such as the result of error glue try processing that has occurred, and a device interface circuit 7 that sends and receives information to and from an input/output device 8 are provided.
次ぎに本実施例の動作を第２図の動作順序に従って説明
する。尚説明中に示すＡ−１，Ａ−２・・・は上位装置
１から入出力制御装置２への「命令Ｊ、Ｂ−１，Ｂ−’
２・・・は入出力制御装置２から入出力装置８への「命
令」の順序を、Ａ’−１、Ａ′−２・・・は入出力制御
装置２から上位装置１への［報告Ｊ、Ｂ”−１，Ｂ′−
２・・・は入出力装置８から入出力制御装置２への「報
告」の順序をそれぞれ示す。Next, the operation of this embodiment will be explained according to the operation sequence shown in FIG. Note that A-1, A-2, etc. shown in the explanation are "commands J, B-1, B-' from the host device 1 to the input/output control device 2.
2... indicates the order of "instructions" from the input/output control device 2 to the input/output device 8, and A'-1, A'-2... indicates the order of "commands" from the input/output control device 2 to the host device 1. J, B''-1, B'-
2... indicate the order of "reporting" from the input/output device 8 to the input/output control device 2, respectively.
■二上位装置１から「処理命令Ｊ （Ａ−１）が入出力
制御装置２に対して発行される。(2) Processing instruction J (A-1) is issued from the second-level device 1 to the input/output control device 2.
■二人出力制御装置２は論理回路３にてＡ−１を検出し
、Ａ−１に従って入出力装置８に動作指示（Ｂ−１）を
する、 ′
■二人出力装置８はＢ−１の動作中に「エラーＸ」が発
生した事を入出力制御装置２に報告（Ｂ′−１）する。■The two-person output control device 2 detects A-1 in the logic circuit 3, and issues an operation instruction (B-1) to the input/output device 8 according to A-1.' ■The two-person output control device 8 detects A-1. The fact that "error X" has occurred during the operation of is reported to the input/output control device 2 (B'-1).
■：二人出力制御装置２Ｂ′−１により「エラーＸ」の
センスバイトを論理回路３で作成した後、判定回路５に
より「エラーＸ」は回復可能なエラーだと判定すると入
出力装置８に引続き動作するよう指示（Ｂ−２）する。■: After the two-person output control device 2B'-1 creates a sense byte for "error X" in the logic circuit 3, the judgment circuit 5 determines that "error Instruct it to continue operating (B-2).
■二人出力装置８はＢ−２の動作中に「エラーＹ」が発
生した事を入出力制御装置２に報告（Ｂ’＝２）する。(2) The two-person output device 8 reports to the input/output control device 2 that "error Y" has occurred during the operation of B-2 (B'=2).
■：Ｂ’−２により判定回路５が「エラーＹ」は「エラ
ーＸ」とは異なることを判定すると、論理回路３は「エ
ラーＹ」のセンスバイトを作成し、更に判定回路５の判
定により「エラーＹ」も回復可能なエラーだと判定する
と、入出力装置８に引続き動作するよう入出力制御装置
２は動作指示（Ｂ−３）する。■: When the judgment circuit 5 judges from B'-2 that "error Y" is different from "error When determining that "error Y" is also a recoverable error, the input/output control device 2 instructs the input/output device 8 to continue operating (B-3).
■二人出力装置８はＢ−３の動作中に再度「エラーＹＪ
が発生した事を入出力制御装置２に報告（Ｂ′−３）す
る。■The two-person output device 8 displays the message “Error YJ” again while B-3 is operating.
The occurrence of this is reported to the input/output control device 2 (B'-3).
■二人出力制御装置２はＢ−３の動作とＢ′−３の動作
を何回か繰り返し、入出力制御装置２自身では回復出来
ないと判断するとＡ−１の１処理命令」が異常に終了し
た事を上位装置１に報告（Ａ’−１）する。■The two-person output control device 2 repeats the operation of B-3 and B'-3 several times, and when it determines that it cannot recover by itself, the 1 processing instruction of A-1 becomes abnormal. The completion is reported to the host device 1 (A'-1).
■：Ａ′−１により上位装置１は［センスカウンタコマ
ンドヨを入出力制御装置２に対して発行（Ａ−２）する
。(2): Based on A'-1, the host device 1 issues a sense counter command to the input/output control device 2 (A-2).
［相］：「センスカウンタコマンド」を受けた入出力制
御装置２は「エラーＸ」と「エラーＹ」の２個のエラー
を貯えている事を上位装置１に報告（Ａ′−２）する。[Phase]: The input/output control device 2 that receives the "sense counter command" reports to the host device 1 that it has stored two errors, "error X" and "error Y"(A'-2). .
＠：Ａ’−２によるエラー数により上位装置１は第１の
「センスコマンド」を入出力制御装置２に発行（Ａ−３
）する。@: Due to the number of errors caused by A'-2, the host device 1 issues the first "sense command" to the input/output control device 2 (A-3
)do.
０：Ａ−３により入出力制御装置２は「エラーＸ」のセ
ンスバイトを上位装置１に報告（Ａ ’−３）する。0:A-3 causes the input/output control device 2 to report the sense byte of "error X" to the host device 1 (A'-3).
＠：Ａ′−３により上位装置ｌは第２の「センスコマン
ド」を入出力制御装置２に発行（Ａ−４）する。@: By A'-3, the host device 1 issues a second "sense command" to the input/output control device 2 (A-4).
＠Ｉ：Ａ−４により入出力制御装置２は［エラーＹ」の
センスバイトを上位装置１に報告（Ａ ′−４）する。@I: Through A-4, the input/output control device 2 reports the sense byte of "error Y" to the host device 1 (A'-4).
以上のように「エラーＸ」、「エラーＹ」のセンスハイ
ドを入出力制御装置２のリトライ類に報告する動作を上
位装置１からの「処理命令」のたびに繰り返す。As described above, the operation of reporting the sense hides of "error
（ｇ）Ｑ明の効果
現在、保守者は入出力制御装置から上位装置へ報告され
るエラーの切分けのため多くの手順と時間を要している
が、本発明により各状態に応じたエラー情報が得られ短
時間で正確にエラーの切分けが出来、システム全体の信
頼性と効率が従来以上に確保出来ると言う効果がある。(g) Effects of Qming Currently, maintenance personnel require many steps and time to isolate errors reported from input/output control devices to higher-level devices, but with this invention This has the effect that information can be obtained, errors can be isolated accurately in a short time, and the reliability and efficiency of the entire system can be ensured more than ever before.
【図面の簡単な説明】
第１図は本発明に係るシステムの一実施例、第２図は本
発明に係るシステムの一実施例の処理概要をそれぞれ示
す。
図において、１は上位装置、２は入出力制御装置、３は
論理回路、４は報告回路、５は判定回路、６は記憶回路
、７はデバイスインタフェース回路、８は入出力装置を
それぞれ示し、■〜０は本発明に係るシステムの動作順
序を示す。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of a system according to the present invention, and FIG. 2 shows an outline of processing of an embodiment of the system according to the present invention. In the figure, 1 is a host device, 2 is an input/output control device, 3 is a logic circuit, 4 is a report circuit, 5 is a judgment circuit, 6 is a storage circuit, 7 is a device interface circuit, and 8 is an input/output device. 1 to 0 indicate the operating order of the system according to the present invention.
Claims (1)
や該入出力制御装置のエラー情報を上位装置に報告する
状態情報報告方法であって、該入出力制御装置が回復可
能なエラーのりトライ中。 別のエラーが発生した場合、該入出力制御装置はエラー
発生時の状態情報を蓄えておき、その後前記上位装置か
らの状態情報バイト数報告命令により状態情報のバイト
数を報告し、報告した状態情報のハイド数だけの状態情
報報告命令を該上位装置から受け、各命令毎に順次蓄え
た状態情報を該上位装置に報告することを特徴とする入
出力制御装置の状態情報報告方法。[Scope of Claims] A status information reporting method in which an input/output control device that controls an input/output device reports error information of the input/output device or the input/output control device to a higher-level device, wherein the input/output control device Trying to recover from a recoverable error. If another error occurs, the input/output control device stores the status information at the time of the error occurrence, and then reports the number of bytes of status information in response to a status information byte count report command from the host device, and the reported status A state information reporting method for an input/output control device, characterized in that a state information reporting command equal to the number of information hides is received from the host device, and state information stored in sequence for each command is reported to the host device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58108804A JPS60543A (en) | 1983-06-17 | 1983-06-17 | State information reporting method of input-output control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58108804A JPS60543A (en) | 1983-06-17 | 1983-06-17 | State information reporting method of input-output control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60543A true JPS60543A (en) | 1985-01-05 |
Family
ID=14493899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58108804A Pending JPS60543A (en) | 1983-06-17 | 1983-06-17 | State information reporting method of input-output control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232538A (en) * | 1990-12-27 | 1992-08-20 | Fujitsu Ltd | Transmission system for error information |
| CN106445715A (en) * | 2016-09-13 | 2017-02-22 | 广东欧珀移动通信有限公司 | Method and device for reporting pedometer messages |
-
1983
- 1983-06-17 JP JP58108804A patent/JPS60543A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232538A (en) * | 1990-12-27 | 1992-08-20 | Fujitsu Ltd | Transmission system for error information |
| CN106445715A (en) * | 2016-09-13 | 2017-02-22 | 广东欧珀移动通信有限公司 | Method and device for reporting pedometer messages |
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