JP5263561B2 - ソリッドステート大容量記憶装置のためのデータストリーミング - Google Patents
ソリッドステート大容量記憶装置のためのデータストリーミング Download PDFInfo
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Description
Claims (10)
- 大容量記憶装置へのデータの書き込み方法であって、
前記大容量記憶装置において受け取られた書き込みコマンドを復号することと、
前記書き込みコマンドの復号に応答して、連結リストを生成することであって、前記連結リストは、外部装置から受け取られるべきユーザデータのための2つ以上の項目と、前記大容量記憶装置により生成されたメタデータのための2つ以上の項目とを有し、前記ユーザデータのための2つ以上の項目および前記メタデータのための2つ以上の項目は定義されたデータ構造に対応する定義された順序を有する、ことと、
前記書き込みコマンドに応答して、前記外部装置からユーザデータを受け取り、ユーザデータのための前記連結リストの前記2つ以上の項目に従って、揮発性メモリへ前記ユーザデータを記憶させることと、
前記外部装置からの前記ユーザデータの受け取りを中断することなく、受け取った前記ユーサデータに関するメタデータを生成することと、
メタデータのための前記連結リストの前記2つ以上の項目に従って、前記受け取られたユーザデータに関連したメタデータを前記揮発性メモリへ記憶させることと、
前記ユーザデータおよび前記メタデータを、前記連結リストにより定義されるデータ構造を有するように、前記揮発性メモリから非揮発性メモリへストリーミングすることと、を含む、方法。 - 前記連結リストを生成することが、各項目に対応するデータのユニットのサイズおよび対応するデータが記憶される前記揮発性メモリの開始アドレスを定義する、項目を生成することを含む、請求項1に記載の方法。
- メタデータを記憶させることが、前記書き込みコマンドに関連した前記ユーザデータのすべてを受け取る前に、前記メタデータの少なくとも一部分を記憶させることを含む、請求項1〜2のいずれかに記載の方法。
- 前記受け取られたデータに応答して、前記メタデータの少なくとも一部分を生成することをさらに含む、請求項1〜2のいずれかに記載の方法。
- ユーザデータの第1および第2の部分として前記外部装置から前記ユーザデータを受け取り、ユーザデータに対する前記連結リストの前記2つ以上の項目に従って、ユーザデータの前記第1および第2の部分を揮発性メモリへ記憶させることと、
前記ユーザデータの受け取られた前記第1の部分の状態表示情報、前記ユーザデータの受け取られた前記第1の部分のエラー訂正符号データ、および前記ユーザデータの受け取られた前記第1の部分のマッピング情報のうちの少なくとも1つを含む、ユーザデータの前記受け取られた第1の部分に関連した第1のメタデータを生成することと、
前記ユーザデータの受け取られた前記第2の部分の状態表示情報、前記ユーザデータの受け取られた前記第2の部分のエラー訂正符号データ、および前記ユーザデータの受け取られた前記第2の部分のマッピング情報のうちの少なくとも1つを含む、前記受け取られた第2の部分のユーザデータに関連した第2のメタデータを生成することと、
前記ユーザデータの前記第2の部分のすべてを受取る前に、メタデータに対する前記連結リストの2つ以上の項目に従って、前記第1のメタデータを前記揮発性メモリへ記憶させることと、
前記ユーザデータの前記第2の部分を受け取った後、メタデータに対する前記連結リストの前記2つ以上の項目に従って、前記第2のメタデータを前記揮発性メモリへ記憶させることと、
をさらに含む、請求項1〜2のいずれかに記載の方法。 - 前記連結リストを生成することが、各項目に対応するデータのユニットのサイズ、および対応するデータが記憶される前記揮発性メモリの開始アドレスを定義する項目を生成することを含み、ユーザデータに対するデータのユニットのサイズが、メタデータに対するデータのユニットのサイズとは異なる、請求項5に記載の方法。
- 前記定義されたデータ構造は、前記非揮発性メモリの前記ページの前記データ構造であり、前記非揮発性メモリの前記ページの前記データ構造が、ユーザデータ部分とインターリーブされたメタデータ部分を含む、請求項5に記載の方法。
- 大容量記憶装置であって、
マスターコントローラと、
前記マスターコントローラに接続された揮発性メモリと、
前記マスターコントローラに接続され、非揮発性メモリ装置を含む、1つ以上のメモリモジュールと、を含み、
前記マスターコントローラが、受け取られた書き込みコマンドに応答して連結リストを生成するように構成され、
前記連結リストが、外部装置から受け取られるか、または外部装置へ出力されるユーザデータに対する2つ以上の項目を含み、
前記連結リストが、前記大容量記憶装置により生成されるメタデータに対する2つ以上の項目を含み、
前記ユーザデータに対する2つ以上の前記項目および前記メタデータに対する2つ以上の項目が、定義されたデータ構造に対応する定義された順序を有し、
前記マスターコントローラは、さらに、前記書き込みコマンドに応答した前記ユーサデータの受け取りを中断することなく、前記書き込みコマンドに応答して受け取られた前記ユーサデータに関する前記メタデータを生成するように構成されている、大容量記憶装置。 - 前記定義されたデータ構造が、前記受け取られた書き込みコマンドによりアドレス指定される非揮発性メモリ装置の物理ページのデータ構造に対応している、請求項8に記載の大容量記憶装置。
- それぞれの連結リスト項目が、その項目に対応するデータのユニットのサイズ、およびデータの対応するユニットが記憶される前記揮発性メモリの開始アドレスの表示を含む、請求項8〜9のいずれかに記載の大容量記憶装置。
Applications Claiming Priority (5)
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CN0810211463.7 | 2008-09-26 | ||
CN2008102114637A CN101685381B (zh) | 2008-09-26 | 2008-09-26 | 固态大容量存储装置的数据串流 |
US12/327,879 | 2008-12-04 | ||
US12/327,879 US8930645B2 (en) | 2008-09-26 | 2008-12-04 | Method and apparatus using linked lists for streaming of data for soild-state bulk storage device |
PCT/US2009/057451 WO2010036572A2 (en) | 2008-09-26 | 2009-09-18 | Data streaming for solid-state bulk storage devices |
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JP5263561B2 true JP5263561B2 (ja) | 2013-08-14 |
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EP (1) | EP2342644A4 (ja) |
JP (1) | JP5263561B2 (ja) |
KR (1) | KR101359772B1 (ja) |
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CN101685381B (zh) | 2013-07-24 |
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EP2342644A2 (en) | 2011-07-13 |
WO2010036572A3 (en) | 2010-06-17 |
JP2012503828A (ja) | 2012-02-09 |
KR20110059792A (ko) | 2011-06-03 |
EP2342644A4 (en) | 2012-10-24 |
US20100082919A1 (en) | 2010-04-01 |
CN101685381A (zh) | 2010-03-31 |
US10007431B2 (en) | 2018-06-26 |
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