JP2008538437A - インライン不揮発性メモリ・ディスク読み取りキャッシュおよび書き込みバッファ - Google Patents
インライン不揮発性メモリ・ディスク読み取りキャッシュおよび書き込みバッファ Download PDFInfo
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- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0804—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with main memory updating
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
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- G—PHYSICS
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
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- G—PHYSICS
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Abstract
【解決手段】
ソリッド・ステート不揮発性(NV)メモリを有するデバイスを、従来のハード・ドライブに直列に追加し、リード/ライト・キャッシュとして作用する。オペレーティング・システムが指定するデータを、NVメモリに格納する。オペレーティング・システムは、NVメモリに入力するデータのリストを供給する。このデータは、NVメモリ内に張り付けられるデータと、動的なデータとを含む。張り付けられるデータは、オペレーティング・システムが流出させることをNVメモリに命令するまで、NVメモリ内に存続する。動的データは、ハード・ドライブ・コントローラによって流出させることができる。格納のためにアプリケーションが送るデータは、オペレーティング・システムがそれをディスクに引き渡すまで、一時的にNVメモリにデータ・ブロック単位で格納される。
【選択図】 図3
Description
Claims (21)
- インライン永続的記憶装置であって、
ディスク・ドライブのディスク・ドライブ・コネクタに接続するように構成されている筐体と、
前記筐体に実装され、前記ディスク・ドライブおよびコントローラと通信するソリッド・ステート不揮発性(「NV」)メモリ・ブロックのアレイと、
を備えており、前記コントローラは前記ディスク・ドライブと通信し、前記コントローラは、前記NVメモリを制御し、計算機から受け取った少なくとも1つのデータ・ブロックを、前記NVメモリ内にある少なくとも1つのメモリ・ブロックに格納し、流出コマンドを受け取ったことに応答して、前記少なくとも1つのデータ・ブロックを前記ソリッド・ステートNVメモリ・ブロックのアレイから流出させるように構成されている、インライン永続的記憶装置。 - 請求項1記載のインライン永続的記憶装置において、前記コントローラは筐体内部にある、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置であって、更に、前記NVメモリよりも高速な揮発性メモリ・バッファと、エネルギ蓄積デバイスとを備えている、インライン永続的記憶装置。
- 請求項3記載のインライン永続的記憶装置において、前記エネルギ蓄積デバイスは、突然の停電の場合に、前記揮発性メモリおよび前記NVメモリのアレイの少なくとも1つからのデータをディスク・ドライブに移動させることができるだけの十分な期間、前記揮発性バッファおよび前記NVメモリ・バッファに給電し続けるための十分な電力が得られるようにされている、インライン永続的記憶装置。
- 請求項3記載のインライン永続的記憶装置において、前記エネルギ蓄積デバイスは、バッテリまたはキャパシタである、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置であって、更に、1対のコネクタを備えており、該1対のコネクタの一方は前記ディスク・ドライブ・コネクタに接続し、前記1対のコネクタの他方は、マザーボードに接続されているケーブルに接続する、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、前記筐体は前記ディスク・ドライブに一体的に取り付けられている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置であって、更に、1対の電力コネクタを備えており、該1対の電力コネクタの一方は、ディスク・ドライブ電力コネクタに接続し、前記1対のコネクタの他方は、電力ケーブルに接続する、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、前記コントローラは、オペレーティング・システムからのコマンドを先取し、前記NVMメモリへの書き込みをバッファする、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、前記コントローラは、更に、予めキャッシュするデータのリストを受け取ったことに応答して、前記ディスク・ドライブから、少なくとも1つのデータ・ブロックをNVメモリにロードするように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、前記コントローラは、更に、データ・ブロックを前記NVメモリ内に張り付けるように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、前記コントローラは、更に、前記少なくとも1つのデータ・ブロックをNVメモリにロードするために、直ちにディスク・ドライブをスピン・アップすることを命令するように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、各メモリ・ブロックは、張り付けられたデータ・ブロックおよび張り付けられないデータ・ブロックの一方であり、前記コントローラは、更に、張り付けデータ・ブロックを流出させるコマンドを受け取ったことに応答して、張り付けデータ・ブロックを流出させるように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、各メモリ・ブロックは、張り付けられたデータ・ブロックおよび張り付けられないデータ・ブロックの一方であり、前記コントローラは、更に、動的キャッシュを流出させるコマンドを受け取ったことに応答して、張り付けていないデータ・ブロックを流出させるように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、各メモリ・ブロックは、張り付けられたデータ・ブロックおよび張り付けられないデータ・ブロックの一方であり、前記コントローラは、更に、全てのデータ・ブロックを流出させるコマンドを受け取ったことに応答して、張り付けデータ・ブロックおよび張り付けていないデータ・ブロックを流出させるように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、各メモリ・ブロックは、張り付けられたデータ・ブロックおよび張り付けられないデータ・ブロックの一方であり、前記コントローラは、更に、能力を与える要請を受け取ったことに応答して、コンピュータ・システムに能力を供給するように構成されている、インライン永続的記憶装置。
において、 - 請求項16記載のインライン永続的記憶装置において、前記コントローラが前記コンピュータ・システムに能力を供給するとき、前記コントローラは、前記NVメモリのサイズ、該NVメモリがサポートする機構、および前記ディスク・ドライブの状態を規定する、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、前記コントローラは、更に、
前記利用可能なNVメモリ空間が閾値未満となったときを判定し、
前記NVメモリの利用可能空間が閾値未満となった場合に、前記NVメモリの一部を前記ディスク・ドライブに流出させる、
ように構成されている、インライン永続的記憶装置。 - 請求項1記載のインライン永続的記憶装置において、前記コントローラは、更に、前記ディスク・ドライブに宛てられたコマンドを先取し、該コマンドを解釈し、該コマンドを前記ディスク・ドライブに受け渡すように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン永続的記憶装置において、前記コントローラは、更に、前記オペレーティング・システムからコマンドを受け取り、コマンドを変換し、これらをHDDに受け渡すように構成されている、インライン永続的記憶装置。
- 請求項1記載のインライン記憶装置において、前記インライン記憶装置には、前記ディスク・ドライブに固定可能とするストラップまたは接着剤が付随する、インライン記憶装置。
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Application Number | Priority Date | Filing Date | Title |
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US11/107,551 US7620773B2 (en) | 2005-04-15 | 2005-04-15 | In-line non volatile memory disk read cache and write buffer |
PCT/US2006/013835 WO2006113334A2 (en) | 2005-04-15 | 2006-04-13 | In-line non volatile memory disk read cache and write buffer |
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JP2008538437A true JP2008538437A (ja) | 2008-10-23 |
JP2008538437A5 JP2008538437A5 (ja) | 2009-05-28 |
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JP2008506684A Pending JP2008538437A (ja) | 2005-04-15 | 2006-04-13 | インライン不揮発性メモリ・ディスク読み取りキャッシュおよび書き込みバッファ |
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Country | Link |
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US (1) | US7620773B2 (ja) |
EP (1) | EP1872221A2 (ja) |
JP (1) | JP2008538437A (ja) |
KR (1) | KR20070116831A (ja) |
CN (1) | CN101506776A (ja) |
BR (1) | BRPI0610676A2 (ja) |
MX (1) | MX2007012649A (ja) |
RU (1) | RU2007138012A (ja) |
WO (1) | WO2006113334A2 (ja) |
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BRPI0610676A2 (pt) | 2010-07-20 |
RU2007138012A (ru) | 2009-04-20 |
US20060248387A1 (en) | 2006-11-02 |
EP1872221A2 (en) | 2008-01-02 |
KR20070116831A (ko) | 2007-12-11 |
WO2006113334A2 (en) | 2006-10-26 |
WO2006113334A3 (en) | 2009-04-16 |
MX2007012649A (es) | 2007-12-13 |
US7620773B2 (en) | 2009-11-17 |
CN101506776A (zh) | 2009-08-12 |
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