JP2016534439A - アトミック記憶操作のためのシステム及び方法 - Google Patents
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
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- 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
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- 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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- 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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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
Description
Claims (20)
- トランザクション識別子をアトミック記憶リクエストの目標識別子にリンクさせることと、
前記アトミック記憶リクエストの記憶操作を前記トランザクション識別子へリダイレクトすることと、
前記アトミック記憶リクエストの前記記憶操作を完了することに応じて、前記リダイレクトされた記憶操作のデータを前記トランザクション識別子から前記目標識別子へ移動させることと
を含む、方法。 - 前記記憶操作は、前記追記されたデータを前記トランザクション識別子のうちの1つ以上と関連付けるよう構成されるメタデータと共に記憶媒体にデータを追記することを含む、請求項1に記載の方法。
- 前記追記されたデータを移動させることは、前記記憶媒体上に、前記追記されたデータを前記目標識別子と関連付けるよう構成されるメタデータを格納することを含む、請求項2に記載の方法。
- 前記記憶操作は、前記格納されたデータを、それぞれのトランザクション識別子と関連付けられる1つ以上の中間識別子と結合するよう構成されるメタデータと共に不揮発性記憶媒体上にデータを格納することを含む、請求項1に記載の方法。
- 前記格納されたデータを移動させることは、前記不揮発性記憶媒体上に、前記1つ以上の中間識別子をそれぞれの目標識別子へ結合するよう構成される永続的ノートを格納することを含む、請求項4に記載の方法。
- 更に、前記リダイレクトされた記憶操作の前記データを移動させることに応じて、前記アトミック記憶リクエストの完了を通知することを含む、請求項1に記載の方法。
- 記憶リクエストの論理識別子の第1のセットへ識別子の第2のセットをマッピングするよう構成されるリダイレクトモジュールと、
前記記憶リクエストの記憶操作を記憶装置上の前記識別子の第2のセット内で実行するよう構成されるログ記憶モジュールと、
前記記憶リクエストの前記記憶操作を前記論理識別子の第1のセットへ移動させるよう構成されるアトミック記憶モジュールと
を備える、装置。 - 前記アトミック記憶モジュールは、永続的メタデータを前記記憶装置へ格納することによって前記記憶操作を移動させるよう構成され、前記永続的メタデータは、前記識別子の第2のセットに関連して前記記憶装置上に格納されるデータセグメントを前記識別子の第1のセットと結合するよう構成される、請求項7に記載の装置。
- 前記アトミック記憶モジュールは、前記永続的メタデータが前記記憶装置上に格納されることを判断することに応じて、前記記憶リクエストの完了を通知するよう構成される、請求項8に記載の装置。
- 前記識別子の第1のセットは、論理識別子の複数の互いに素なセットを備え、前記永続的メタデータは、前記データセグメントを前記論理識別子の複数の互いに素なセット内のそれぞれの論理識別子へ結合するよう構成される単一の永続的ノートを備える、請求項8に記載の装置。
- 前記リダイレクトモジュールは、前記識別子の第2のセットを、前記識別子の第1のセットのアドレス空間とは異なるアドレス空間内に割り当てるよう構成される、請求項7に記載の装置。
- 前記リダイレクトモジュールは、前記識別子の第2のセットを、前記識別子の第1のセットのアドレス空間の指定領域内に割り当てるよう構成される、請求項7に記載の装置。
- 前記識別子の第2のセットは、トランザクションアドレス空間に対応し、前記装置は更に、前記トランザクションアドレス空間の識別子と関連するデータセグメントを無効化するよう構成される再構築モジュールを備える、請求項7に記載の装置。
- 前記アトミック記憶モジュールは、前記識別子の第2のセット内の前記識別子のうちの1つのデータを無効化するよう構成される記憶操作を移動させることに応じて、前記識別子の第1のセット内の前記識別子のうちの1つを無効化するよう構成される、請求項7に記載の装置。
- 前記ログ記憶モジュールは、データセグメントを、前記記憶装置上のデータセグメントの順序付けられたログに追記するよう構成され、前記ログ記憶モジュールは、前記記憶リクエストの2つ以上のデータセグメントの間の前記記憶リクエストに関係しないデータセグメントをデータセグメントの前記順序付けられたログ内に追記するよう構成される、請求項7に記載の装置。
- 目的論理識別子のセットに関するアトミック記憶リクエストを受信する手段と、
トランザクション識別子のセットを論理識別子の目的セットにリンクさせる手段と、
前記アトミック記憶リクエストに関する複数のデータパケットを記憶装置上の順次記憶ログに追記する手段であって、前記データパケットは、前記データパケットをそれぞれのトランザクション識別子と関連付けるよう構成される永続的メタデータを備える、手段と、
永続的ノートを前記記憶ログに追記する手段であって、前記永続的ノートは、前記データパケットをそれぞれのトランザクション識別子と関連付けるよう構成される永続的メタデータを備える前記複数のデータパケットを、それぞれの目的論理識別子と関連付けるよう構成される、手段と
を備える、システム。 - 更に、前記目的論理識別子のセットの論理識別子をそれぞれのトランザクション識別子へマッピングする手段を備える、請求項16に記載のシステム。
- 更に、前記トランザクション識別子のうちの1つ以上を、前記それぞれの1つ以上のトランザクション識別子へリンクされる論理識別子と関連する記憶位置へ結合する手段を備える、請求項16に記載のシステム。
- 更に、前記永続的ノートを追記することに応じて、それぞれの目的論理識別子を用いて、前記データパケットをそれぞれのトランザクション識別子と関連付けるよう構成される前記永続的メタデータを備える前記データパケットに対するアクセスを提供する手段を備える、請求項16に記載のシステム。
- 前記目的論理識別子は、論理アドレス空間に対応し、前記トランザクション識別子は、異なるトランザクションアドレス空間に対応し、前記システムは更に、
前記データパケットの永続的メタデータの使用により、前記論理アドレス空間の論理識別子と前記記憶装置上のデータパケットとの間のマッピングのインデックスを再構築する手段と、
前記異なるトランザクションアドレス空間に対応するトランザクション識別子と関連するデータパケットを無効化する手段と
を備える、請求項16に記載のシステム。
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US201361861314P | 2013-08-01 | 2013-08-01 | |
US61/861,314 | 2013-08-01 | ||
US14/313,933 US9842128B2 (en) | 2013-08-01 | 2014-06-24 | Systems and methods for atomic storage operations |
US14/313,933 | 2014-06-24 | ||
PCT/US2014/048593 WO2015017398A1 (en) | 2013-08-01 | 2014-07-29 | Systems and methods for atomic storage operations |
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TWI630494B (zh) | 2018-07-21 |
KR20160038028A (ko) | 2016-04-06 |
JP6243028B2 (ja) | 2017-12-06 |
US20150039577A1 (en) | 2015-02-05 |
TW201520792A (zh) | 2015-06-01 |
CN105453021B (zh) | 2019-03-26 |
WO2015017398A1 (en) | 2015-02-05 |
US9842128B2 (en) | 2017-12-12 |
DE112014003152T5 (de) | 2016-03-31 |
KR101769465B1 (ko) | 2017-08-30 |
CN105453021A (zh) | 2016-03-30 |
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