JP4430710B2 - フェイルオーバおよび負荷分散 - Google Patents
フェイルオーバおよび負荷分散 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
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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
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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
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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Description
本発明の実施例に関する追加の詳細な説明
Claims (18)
- 第1のネットワークアダプタおよび前記第1のネットワークアダプタを通過するデータパスのうちの少なくとも1つが障害状態となった場合に、フィルタドライバを有するコンピュータシステムがフェイルオーバを行う方法であって、
前記方法は、
前記フィルタドライバによって、前記第1のネットワークアダプタおよび前記第1のネットワークアダプタを通過する前記データパスのうちの少なくとも1つが障害状態となったことを示すパス障害通知を受信することと、
前記フィルタドライバによって、前記パス障害通知が受信される前に前記第1のネットワークアダプタに対して送信された各パケットの成功ステータスをビジーステータスに変更することと、
前記フィルタドライバによって、前記第1のネットワークアダプタに送信されたパケットを第2のネットワークアダプタにリダイレクトすることと
を備える方法。 - 前記フィルタドライバによって、前記第2のネットワークアダプタを含む新規データパスを決定することを更に備える請求項1に記載の方法。
- 前記フィルタドライバによって、前記第1のネットワークアダプタが修復されたことを示す通知を受信することと、
前記フィルタドライバによって、前記通知が新規データパスを指定したかどうかに基づいて新規データパケットを送信するデータパス決定することと
を更に備える請求項1または2に記載の方法。 - フィルタドライバに接続されたミニポートドライバに接続されたネットワークアダプタ、および前記ネットワークアダプタを通過するデータパスのうちの少なくとも1つが障害状態となった場合に、フェイルオーバを行う方法であって、
前記方法は、
前記ミニポートドライバによって、前記ネットワークアダプタが障害状態となったことを判定することと、
前記ミニポートドライバによって、前記ネットワークアダプタが障害状態となったことを前記フィルタドライバに通知することと、
前記ミニポートドライバによって、前記ネットワークアダプタに送信されたペンディングパケットの処理を成功ステータスで完了することと
を備える方法。 - 前記ミニポートドライバによって、パケットをリダイレクトすることを目的として前記フィルタドライバによって使用される新規データパスを指定することを更に備える請求項4に記載の方法。
- 前記ミニポートドライバによって、前記ネットワークアダプタが修復されたことを判定することと、
前記ミニポートドライバによって、前記ネットワークアダプタが修復されたことを前記フィルタドライバに通知することと
を更に備える請求項4または5に記載の方法。 - ネットワークおよびデータストレージに接続されたシステムであって、
前記システムは
ホストコンピュータと、
前記ホストコンピュータに接続された、前記データストレージへの入力/出力(I/O)アクセスを管理するストレージコントローラと、
第1のネットワークアダプタと、
第2のネットワークアダプタと、
前記第1のネットワークアダプタおよび前記第1のネットワークアダプタを通過するデータパスのうち少なくも1つが障害状態となったことを示すパス障害通知を受信し、前記パス障害通知が受信される前に前記第1のネットワークアダプタに送信された各パケットの成功ステータスをビジーステータスに変更し、前記第1のネットワークアダプタに送信されたパケットを前記第2のネットワークアダプタにリダイレクトすることができる前記ホストコンピュータ内のフィルタドライバと
を備えるシステム。 - 前記フィルタドライバは、更に、前記第2のネットワークアダプタを含む新規データパスを決定することができる請求項7に記載のシステム。
- 前記フィルタドライバは、
前記第1のネットワークアダプタが修復されたことを示す通知の受信と、
前記通知が新規データパスを指定したかどうかに基づく新規データパケット用のデータパスの決定と
を更に行うことができる請求項7または8に記載のシステム。 - ネットワークおよびデータストレージに接続されたシステムであって、
前記システムは、
ホストコンピュータと、
前記ホストコンピュータに接続された、前記データストレージへの入力・出力(I/O)アクセスを管理するストレージコントローラと、
前記ホストコンピュータ内のフィルタドライバと、
前記ホストコンピュータ内の少なくとも2つのネットワークアダプタと、
複数の前記ネットワークアダプタのうち少なくとも1つが障害状態となったことを判定し、前記フィルタドライバに対して前記ネットワークアダプタが障害状態となったことを通知し、障害状態となった前記ネットワークアダプタに送信されたペンディングパケットの処理を成功ステータスで完了することができる前記ホストコンピュータ内のミニポートドライバと
を備えるシステム。 - 前記ミニポートドライバは、更に、
パケットをリダイレクトすることを目的として前記フィルタドライバによって使用される新規データパスを指定することができる請求項10に記載のシステム。 - 前記ミニポートドライバは、更に、
障害状態となった前記ネットワークアダプタが修復されたことを判定し、
前記フィルタドライバに対して障害状態となった前記ネットワークアダプタが修復されたことを通知することができる請求項10または11に記載のシステム。 - 命令群を有するプログラムであって、
前記命令群は、コンピュータデバイスによって実行されることにより、前記コンピュータデバイスに、
第1のネットワークアダプタおよび前記第1のネットワークアダプタを通過するデータパスのうち少なくとも1つが障害状態となったことを示すパス障害通知を受信させ、
前記パス障害通知が受信される前に前記第1のネットワークアダプタに送信された各パケットの成功ステータスをビジーステータスに変更させ、
前記第1のネットワークアダプタに送信されたパケットを第2のネットワークアダプタにリダイレクトさせる
プログラム。 - 前記命令群がコンピュータデバイスによって実行されることにより、前記コンピュータデバイスに、更に、
前記第2のネットワークアダプタを含む新規データパスを決定させる
請求項13に記載のプログラム。 - 前記命令群がコンピュータデバイスによって実行されることにより、前記コンピュータデバイスに、更に、
前記第1のネットワークアダプタが修復されたことを示す通知を受信させ、
前記通知が新規データパスを指定したかどうかに基づいて新規データパケット用のデータパスを決定させる
請求項13または14に記載のプログラム。 - 命令群を有するプログラムであって、
前記命令群は、コンピュータデバイスによって実行されることにより、前記コンピュータデバイスに、
ネットワークアダプタが障害状態となったことを判定させ、
前記ネットワークアダプタが障害状態となったことをフィルタドライバに対して通知させ、
前記ネットワークアダプタに送信されたペンディングパケットの処理を成功ステータスで完了させる
プログラム。 - 前記命令群がコンピュータデバイスによって実行されることにより、前記コンピュータデバイスに、更に、
パケットをリダイレクトすることを目的として前記フィルタドライバによって使用される新規データパスを指定させる
請求項16に記載のプログラム。 - 前記命令群がコンピュータデバイスによって実行されることにより、前記コンピュータデバイスに、更に、
前記ネットワークアダプタが修復されたことを判定させ、
前記ネットワークアダプタが修復されたことを前記フィルタドライバに通知させる
請求項16または17に記載のプログラム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/RU2004/000105 WO2005091141A1 (en) | 2004-03-19 | 2004-03-19 | Failover and load balancing |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007527172A JP2007527172A (ja) | 2007-09-20 |
JP4430710B2 true JP4430710B2 (ja) | 2010-03-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007500707A Expired - Fee Related JP4430710B2 (ja) | 2004-03-19 | 2004-03-19 | フェイルオーバおよび負荷分散 |
Country Status (6)
Country | Link |
---|---|
US (3) | US7721150B2 (ja) |
JP (1) | JP4430710B2 (ja) |
CN (1) | CN100501684C (ja) |
DE (1) | DE112004002797B4 (ja) |
GB (1) | GB2426609B (ja) |
WO (1) | WO2005091141A1 (ja) |
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