JP4516306B2 - ストレージネットワークの性能情報を収集する方法 - Google Patents
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- JP4516306B2 JP4516306B2 JP2003398392A JP2003398392A JP4516306B2 JP 4516306 B2 JP4516306 B2 JP 4516306B2 JP 2003398392 A JP2003398392 A JP 2003398392A JP 2003398392 A JP2003398392 A JP 2003398392A JP 4516306 B2 JP4516306 B2 JP 4516306B2
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- 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
- G06F11/3466—Performance evaluation by tracing or monitoring
- G06F11/3495—Performance evaluation by tracing or monitoring for systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0653—Monitoring storage devices or systems
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Description
つまり、リソース名「表領域A」「表領域B」等に対するグループ名は「表領域」である。
・メトリックの値が、1時間前の値に対しパラメータで指定された以上の割合で増加する(712)
・メトリックの値が、前日の同時刻の値に対しパラメータで指定された以上の割合で増加する(713)
・メトリックの値が、第1のパラメータで指定された時間についての直近の平均値に対し第2のパラメータで指定された以上の割合で増加する(714)
・パラメータで指定された点数ごとにメトリックの値の移動平均をとったとき、現在の移動平均の値が前回の移動平均の値を上回る(715)。(たとえば、1時の時点、2時の時点、3時の時点で性能情報を取得し、前記取得した性能情報の値を足して3で割った値を3時の時点での移動平均の値とする。そして、3時の時点、4時の時点、5時の時点で性能情報を取得し、前記取得した性能情報の値から平均値を求め、5時の時点での移動平均の値とする。そして、これらの移動平均の値を比較し、差分を求める。また、メトリックの値によっては、性能情報を取得する間隔を微小な時刻にしてもよい。また、変化が少ない値であれば、数ヶ月ごとを単位として移動平均の値を取得して判定してもよい)。
・717で指定されたリソースを起点としてリソース間の性能の依存関係を上流側に(性能の負荷をかける側に)辿った経路上の全リソース
・717で指定されたリソースを起点としてリソース間の性能の依存関係を下流側に(性能の負荷がかけられる側に)辿った経路上の全リソース
・717で指定されたリソースを起点としてリソース間の性能の依存関係を上流側と下流側に辿った経路上の全リソース
・717で指定されたリソースを起点としてリソース間の性能の依存関係を上流側と下流側に辿った経路上の全リソース、ならびに、その経路上のリソースの各々を新たな起点として性能の依存関係を上流側と下流側に辿った経路上の全リソース。
・メトリック値を毎時1回収集する(HOUR)
・メトリック値を毎分1回収集する(MINUTE)
・メトリック値を毎秒1回収集する(SECOND)。
また、上述した性能情報を収集する時間の間隔の選択肢や性能情報の収集の要否を選択する選択肢以外にも、たとえば0.3秒毎に1回情報を収集するというような選択肢を設けてもよい。
・条件が解消したら効果を無効にする(双方向)。
図15は、サーバBのDB性能情報収集エージェントが使用する性能情報収集状態テーブルの一例を示す図である。
図18は、サーバBのホスト性能情報収集エージェントが使用する性能情報収集状態テーブルの一例を示す図である。
図21は、SANスイッチ性能情報収集エージェントが使用する性能情報収集状態テーブルの一例を示す図である。
図24は、サブシステム性能情報収集エージェントが使用する性能情報収集状態テーブルの一例を示す図である。
図13は、サーバAのホスト性能情報収集エージェントが使用するメトリック値テーブルの一例を示す図である。
図16は、サーバBのDB性能情報収集エージェントが使用するメトリック値テーブルの一例を示す図である。
図19は、サーバBのホスト性能情報収集エージェントが使用するメトリック値テーブルの一例を示す図である。
図22は、SANスイッチ性能情報収集エージェントが使用するメトリック値テーブルの一例を示す図である。
図25は、サブシステム性能情報収集エージェントが使用するメトリック値テーブルの一例を示す図である。
上述の内容を言い換えると、性能情報収集エージェント106の性能情報収集部123は、起動した後、性能情報収集状態テーブル120等を参照する。そして、自エージェントが担当するストレージネットワーク構成装置・ソフトの性能項目について収集の可否、頻度、最終日時等の収集状態を調べる。そして、情報収集が行なわれていない場合は、未処理と判定し、情報収集が行われている場合は処理済みと判定する。
つまり、ステップ3402において、性能情報収集部126は、性能情報収集状態テーブル121からメトリックに関する収集状態を検索し、収集していないもの(未処理のもの)を取得する。そして、ステップ3403に進む。
そして、変更対象リソースのうちの、該当するリソース(3506で選択したリソース)の該当するメトリック(3501で取得した行の変更対象メトリック格納欄3109で指定されるメトリック)に対して、変更規則を適用する処理が、未処理のものを1つ取得し、ステップ3508に進む。
(2A)特定の収集対象要素について得た特定の性能項目の値が過大もしくは過小となる(特定の基準を上回る、もしくは下回る)時点。
(2B)特定の収集対象要素について得た特定の性能項目の値が過大もしくは過小となる予兆が認められた(値の変化が特定の基準を上回る、もしくは下回る)時点。
(2C)特定の収集対象要素について得た特定の性能項目の値が過大もしくは過小である状態が解消した(特定の基準を下回る、もしくは上回る)時点、またはその予兆が解消した(値の変化が特定の基準を下回る、もしくは上回る)時点。
ステップ4Aもしくは4Bで決定した方法に従ってステップ5で収集方法が変更されると、従来未収集であった性能項目の値が収集されるよう、もしくは、低い頻度で収集されていたものがより高い頻度で収集されるように自動的に切り替わる。このため、必要があるまで性能情報の収集を遅らせたり頻度を低くすることによって、性能情報の収集量を抑えることができる。
Claims (2)
- 1つまたは複数の計算機装置と1つまたは複数の外部記憶装置と該計算機装置が該外部記憶装置との間で入出力データを通信するための1つまたは複数のネットワーク装置を含むストレージネットワークシステムにおける該計算機装置又は該外部記憶装置又は該ネットワーク装置に関する性能情報ならびに該計算機装置又は該外部記憶装置又は該ネットワーク装置で稼動するソフトウェアに関する性能情報を、前記ストレージネットワークシステムに接続された管理サーバが収集する方法であって、
前記ストレージシステムの構成要素であって、監視対象であるそれぞれの構成要素から前記要素間の関連情報を収集するステップと、
予め収集した性能情報に基づいて、特定の収集対象要素について得た特定の性能項目の値が、予め定められた基準値を上回る又は下回る場合又は前記性能項目の値の変化が予め定められた基準を上回る又は下回る場合は、前記必要性ありと判断することによって、性能情報を収集する時間間隔又は性能情報の収集の要否を変更する必要性を判断するステップと、
前記必要性を判断するステップにより性能情報を収集する時間間隔又は性能情報の収集の要否を変更する必要が判定された性能情報を収集する対象要素に対しI/O命令を送信もしくは前記対象要素からI/O命令を受信する対象要素を、前記収集した要素間の関連情報に基づいて、性能情報を収集する時間間隔又は性能情報の収集要否を変更すべき対象要素として選択するステップと、
選択した前記対象要素に関する性能情報を収集する時間間隔又は性能情報の収集の要否を決定するステップと、
決定した前記性能情報を収集する時間間隔又は性能情報の収集の要否を変更し、前記必要性の判断に従って性能情報の収集頻度を変更するステップを有し、
前記対象要素を選択するステップは、前記必要性を判断するステップで前記必要性ありと判断した収集対象要素を起点とし、収集対象要素間に成り立つI/O命令の送信および受信の関係を利用して、性能に関する負荷をかける上流側ならびに負荷がかけられる下流側に前記I/O命令の送信および受信の関係を辿った経路上の収集対象要素、ならびに、前記経路上の前記収集対象要素の各々を新たな起点として性能に関する前記I/O命令の送信および受信の関係を上下流側に辿った経路上の収集対象要素を選択することを特徴とする性能情報を収集する方法。 - 1つまたは複数の計算機装置と、1つまたは複数の外部記憶装置と、該計算機装置が該外部記憶装置との間で入出力データを通信するための1つまたは複数のネットワーク装置を含むストレージネットワークシステムにおける、該計算機装置又は該外部記憶装置又は該ネットワーク装置に関する性能情報ならびに該計算機装置又は該外部記憶装置又は該ネットワーク装置で稼動するソフトウェアに関する性能情報を、前記ストレージネットワークシステムに接続された管理サーバが収集する方法であって、
前記ストレージシステムの構成要素であって、監視対象であるそれぞれの構成要素から前記要素間の関連情報を収集するステップと、
予め収集した性能情報と、ユーザからの指示に基づいて、特定の収集対象要素について得た特定の性能項目の値が、予め定められた基準値を上回る又は下回る場合又は前記性能項目の値の変化が予め定められた基準を上回る又は下回る場合は、前記必要性ありと判断することによって、性能情報を収集する時間間隔又は性能情報の収集の要否を変更する必要性を判断するステップと、
前記収集した要素間の関連情報に基づいて、性能情報を収集する対象要素を、性能情報を収集する時間間隔又は性能情報の収集要否を変更すべき対象要素を選択する際に、予め格納された対象要素間のI/O命令の送信および受信の関係を定義した情報とユーザから指定された性能情報収集対象の範囲に関する情報に基づいて対象要素として選択するステップと、
選択した前記対象要素に関する性能情報を収集する時間間隔又は性能情報の収集の要否を決定するステップと、
決定した前記性能情報を収集する時間間隔又は性能情報の収集の要否を変更し、前記必要性の判断に従って性能情報を収集する対象要素と性能情報報を収集する頻度とを変更するステップを有し、
前記対象要素を選択するステップは、前記必要性を判断するステップで前記必要性ありと判断した収集対象要素を起点とし、収集対象要素間に成り立つI/O命令の送信および受信の関係を利用して、性能に関する負荷をかける上流側ならびに負荷がかけられる下流側に前記I/O命令の送信および受信の関係を辿った経路上の収集対象要素、ならびに、前記経路上の前記収集対象要素の各々を新たな起点として性能に関する前記I/O命令の送信および受信の関係を上下流側に辿った経路上の収集対象要素を選択することを特徴とする性能情報を収集する方法。
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JP2003398392A JP4516306B2 (ja) | 2003-11-28 | 2003-11-28 | ストレージネットワークの性能情報を収集する方法 |
US10/789,472 US7107273B2 (en) | 2003-11-28 | 2004-02-27 | Method and program of collecting performance data for storage network |
US11/493,513 US20060265497A1 (en) | 2003-11-28 | 2006-07-27 | Method and program of collecting performance data for storage network |
US12/348,725 US8055686B2 (en) | 2003-11-28 | 2009-01-05 | Method and program of collecting performance data for storage network |
US13/239,832 US8549050B2 (en) | 2003-11-28 | 2011-09-22 | Method and system for collecting performance data for storage network |
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- 2006-07-27 US US11/493,513 patent/US20060265497A1/en not_active Abandoned
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2009
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JP2000259223A (ja) * | 1999-03-12 | 2000-09-22 | Toshiba Corp | プラント監視装置 |
JP2001075836A (ja) * | 1999-09-03 | 2001-03-23 | Hitachi Information Systems Ltd | 資源利用状況監視制御装置と資源利用状況監視制御方法およびそのプログラムを記録した記録媒体 |
JP2001265623A (ja) * | 2000-03-17 | 2001-09-28 | Hitachi Ltd | 監視装置 |
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JP2002367206A (ja) * | 2001-06-08 | 2002-12-20 | Matsushita Electric Ind Co Ltd | ディスク制御装置 |
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Cited By (1)
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US8656012B2 (en) | 2011-03-08 | 2014-02-18 | Hitachi, Ltd. | Management computer, storage system management method, and storage system |
Also Published As
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US20090157699A1 (en) | 2009-06-18 |
US7107273B2 (en) | 2006-09-12 |
US20120011173A1 (en) | 2012-01-12 |
US8055686B2 (en) | 2011-11-08 |
US8549050B2 (en) | 2013-10-01 |
US20060265497A1 (en) | 2006-11-23 |
JP2005157933A (ja) | 2005-06-16 |
US20050119996A1 (en) | 2005-06-02 |
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