JP2005529410A5 - - Google Patents

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Publication number
JP2005529410A5
JP2005529410A5 JP2004512028A JP2004512028A JP2005529410A5 JP 2005529410 A5 JP2005529410 A5 JP 2005529410A5 JP 2004512028 A JP2004512028 A JP 2004512028A JP 2004512028 A JP2004512028 A JP 2004512028A JP 2005529410 A5 JP2005529410 A5 JP 2005529410A5
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Japan
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active file
file system
active
data
snapshot
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JP2004512028A
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JP2005529410A (ja
JP4620457B2 (ja
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Priority claimed from US10/165,188 external-priority patent/US6857001B2/en
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Claims (14)

  1. データ記憶を行う方法であって、複数のアクティブなファイルシステムの維持を含み、
    上記アクティブなファイルシステムの各々が、当初は上記アクティブなファイルシステムの中のもう1つのアクティブなファイルシステムと共有するデータにアクセスし、
    上記アクティブなファイルシステムの各々に加えられた変更が、上記変更されたアクティブなファイルシステムが上記データを共有する上記アクティブなファイルシステムに反映されない方法。
  2. 第2のアクティブなファイルシステムが第1のアクティブなファイルシステムに基づいて作成されたとき、上記第1のアクティブなファイルシステムおよび上記第2のアクティブなファイルシステムが、当初はデータを共有する請求項1に記載の方法。
  3. 上記第1のアクティブなファイルシステムに変更が加えられたとき、変更されたデータが、上記第1のアクティブなファイルシステム内の上記第2のアクティブなファイルシステムとは共有されない場所に記録される請求項2に記載の方法。
  4. 上記第2のアクティブなファイルシステムに変更が加えられたとき、変更されたデータが、上記第2のアクティブなファイルシステム内の上記第1のアクティブなファイルシステムとは共有されない場所に記録される請求項2に記載の方法。
  5. 複数のスナップショットが上記複数のアクティブなファイルシステムの1つから作成され、上記スナップショットの各々が、過去の1整合点でのそのアクティブなファイルシステムのイメージを形成する請求項1に記載の方法。
  6. 各スナップショットが、上記複数のアクティブなファイルシステムのためのアクティブなファイルシステムデータから分離した、ファイルシステムデータのための完全な階層を含む請求項5に記載の方法。
  7. 上記スナップショットの少なくとも1つが、新しいアクティブなファイルシステムに変換される請求項5に記載の方法。
  8. 上記スナップショットの1つが、上記スナップショットの1つを書き込み可能にすることにより変換される請求項7に記載の方法。
  9. いずれかの上記アクティブなファイルシステムから上記新しいアクティブなファイルシステムへのスナップショットポインタが切断される請求項8に記載の方法。
  10. 複数のアクティブなファイルシステムを作成する方法であって、
    第1のアクティブなファイルシステムの、当初は上記第1のアクティブなファイルシステムとデータを共有するスナップショットを作成するステップ;および
    上記スナップショットを書き込み可能にすることにより、上記スナップショットを第2のアクティブなファイルシステムに変換するステップを含み、
    ここに、上記第1のアクティブなファイルシステムに加えられた変更が上記第2のアクティブなファイルシステムに反映されず、上記第2のアクティブなファイルシステムに加えられた変更が上記第1のアクティブなファイルシステムに反映されない
    方法。
  11. 請求項10に記載の方法であって、さらに
    上記第1のアクティブなファイルシステムの、当初は上記第1のアクティブなファイルシステムとデータを共有する新しいスナップショットを作成するステップ;および
    上記新しいスナップショットを書き込み可能にすることにより、上記新しいスナップショットを第3のアクティブなファイルシステムに変換するステップを含み、
    ここに、上記第1のアクティブなファイルシステムまたは上記第2のアクティブなファイルシステムに加えられた変更が上記第3のアクティブなファイルシステムに反映されない
    方法。
  12. 上記第1のアクティブなファイルシステムまたは上記第2のアクティブなファイルシステムに変更が加えられたとき、変更されたデータが、上記第3のアクティブなファイルシステムとは共有されない場所に記録される請求項11に記載の方法。
  13. コンピュータシステム上で実行された時、上記コンピュータシステムに請求項1から請求項12のいずれか1つのステップをもたらすプログラムコード手段を含むコンピュータプログラム製品。
  14. 少なくとも1つの記憶装置;
    情報を送受信する少なくとも1つのコンピュータ・デバイスまたはネットワークへのインタフェース;および
    上記記憶装置内の上記情報の記憶および取り出しを制御し、プログラム制御下で動作して請求項1から請求項12のいずれか1つのステップを実行するコントローラ
    を含む記憶システム。
JP2004512028A 2002-06-07 2003-06-03 複数の同時にアクティブなファイルシステム Expired - Lifetime JP4620457B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/165,188 US6857001B2 (en) 2002-06-07 2002-06-07 Multiple concurrent active file systems
PCT/US2003/017497 WO2003105026A1 (en) 2002-06-07 2003-06-03 Multiple concurrent active file systems

Publications (3)

Publication Number Publication Date
JP2005529410A JP2005529410A (ja) 2005-09-29
JP2005529410A5 true JP2005529410A5 (ja) 2006-02-09
JP4620457B2 JP4620457B2 (ja) 2011-01-26

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JP2004512028A Expired - Lifetime JP4620457B2 (ja) 2002-06-07 2003-06-03 複数の同時にアクティブなファイルシステム

Country Status (9)

Country Link
US (3) US6857001B2 (ja)
EP (1) EP1535198B1 (ja)
JP (1) JP4620457B2 (ja)
CN (2) CN100388276C (ja)
AU (1) AU2003243379A1 (ja)
DE (1) DE60333648D1 (ja)
HK (1) HK1076321A1 (ja)
IL (1) IL165467A (ja)
WO (1) WO2003105026A1 (ja)

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