JP2006024211A - 適応記憶システム - Google Patents
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- 230000015654 memory Effects 0.000 claims description 147
- 238000012546 transfer Methods 0.000 claims description 49
- 238000007726 management method Methods 0.000 claims description 43
- 238000013500 data storage Methods 0.000 claims description 18
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000003491 array Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 25
- 238000004891 communication Methods 0.000 abstract description 12
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3221—Monitoring of peripheral devices of disk drive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3268—Power saving in hard disk drive
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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
- 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
-
- 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
- G06F12/12—Replacement control
- G06F12/121—Replacement control using replacement algorithms
- G06F12/123—Replacement control using replacement algorithms with age lists, e.g. queue, most recently used [MRU] list or least recently used [LRU] list
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
【解決手段】Xの高電力ディスクドライブを含む第1のディスクアレイとYの低電力ディスクドライブを含む第2のディスクアレイと通信し、第2のディスクアレイを利用して第1のディスクアレイ間でデータをキャッシュしRAIDシステムを構成する。
【選択図】 図22A
Description
Claims (21)
- Xの高電力ディスクドライブ(HPDD)を含む第1のディスクアレイと、ここでXは2に等しいかそれ以上であり、
Yの低電力ディスクドライブ(LPDD)を含む第2のディスクアレイと、ここでYは1に等しいかそれ以上であり、
前記第1と第2のディスクアレイと通信し、前記第2のディスクアレイを利用して前記第1のディスクアレイとの間でデータをキャッシュするアレイ管理モジュールとを備えた独立ディスク冗長配列(RAID)システム。 - 前記HPDDは1つ以上のプラッタを含み、前記1つ以上のプラッタは1.8インチ以上の直径を持つ請求項1のRAIDシステム。
- 前記LPDDは1つ以上のプラッタを含み、前記1つ以上のプラッタは1.8インチに等しいかそれ以下の直径を持つ請求項1のRAIDシステム。
- 前記第1と第2のディスクアレイは前記アレイ管理モジュールと直接通信する請求項1のRAIDシステム。
- 前記第1のディスクアレイは前記アレイ管理モジュールと通信し、前記第2のディスクアレイは前記第1のディスクアレイと通信する請求項1のRAIDシステム。
- 前記第2のディスクアレイは前記アレイ管理モジュールと通信し、前記第1のディスクアレイは前記第2のディスクアレイと通信する請求項1のRAIDシステム。
- 前記アレイ管理モジュールは作動中、前記第2のディスクアレイに対する電力を維持し、作動中にオフモードの前記第1のディスクアレイを選別的に作動する請求項1のRAIDシステム。
- 前記第1のディスクアレイの回りにバイパス経路を更に備え、前記アレイ管理モジュールは前記第1のディスクアレイを選別的に迂回してデータを前記第2のディスクアレイに送る請求項5のRAIDシステム。
- 前記第2のディスクアレイの回りにバイパス経路を更に備え、前記アレイ管理モジュールは前記第2のディスクアレイを迂回してデータを前記第1のディスクアレイに送る請求項6のRAIDシステム。
- 前記アレイ管理モジュールは第1のLPDD内の最小使用ブロック(LUB)を識別するLUBモジュールを含み、データ記憶要求とデータ検索要求の少なくとも1つを受けた場合に、前記アレイ管理モジュールは前記低電力モード中に前記LUBを選別的に第1のHPDDに転送する請求項6のRAIDシステム。
- 書込みデータに対する前記記憶要求中、前記第1のLPDD上に前記書込みデータ用に十分なスペースがあれば前記アレイ管理モジュールは前記書込みデータを前記第1のLPDDに転送し、前記第1のLPDD上に前記書込みデータ用に十分なスペースがない場合は、前記アレイ管理モジュールは前記第1のHPDDを起動し、少なくとも1つの前記LUBを前記第1のLPDDから前記第1のHPDDに転送し、前記書込みデータを前記第1のLPDDに転送する請求項1のRAIDシステム。
- 前記アレイ管理モジュールは、前記第1のLPDD上に前記書込みデータ用に十分なスペースがない場合に前記書込みデータが前記LUBより前に使用される可能性があるかどうか判定する適応記憶モジュールを含み、前記書込みデータが前記LUBの後に使用される可能性がある場合は、前記アレイ管理モジュールは前記書込みデータを前記第1のHPDD上に記憶し、前記書込みデータが前記LUBより前に使用される可能性がある場合、前記アレイ管理モジュールは前記第1のHPDDを起動し、前記LUBを前記第1のLPDDから前記第1のHPDDに転送し、次に前記書込みデータを前記第1のLPDDに転送する請求項11のRAIDシステム。
- 読取りデータに対する前記データ検索要求中、前記読取りデータが前記第1のLPDDに記憶されている場合は、前記アレイ管理モジュールは前記読取りデータを前記第1のLPDDから検索する請求項10のRAIDシステム。
- 前記アレイ管理モジュールは、前記読取りデータが前記第1のLPDDにない場合、前記読取りデータが1度使用される可能性があるかどうかを判定する適応記憶モジュールを含み、前記読取りデータが1度使用される可能性がある場合、前記アレイ管理モジュールは前記読取りデータを前記第1のHPDDから検索し、前記適応記憶モジュールが前記読取りデータは一度以上使用される可能性があると判定し、前記第1のLPDD上で前記読取りデータ用に十分なスペースがある場合、前記アレイ管理モジュールは前記読取りデータを前記第1のHPDDから前記第1のLPDDに転送し、前記適応記憶モジュールが前記読取りデータは一度以上使用される可能性があると判定し、前記第1のLPDD上に前記読取りデータ用に十分なスペースがない場合、前記アレイ管理モジュールは前記LUBを前記第1のLPDDから前記第1のHPDDに転送し、前記読取りデータを前記第1のHPDDから前記第1のLPDDに転送する請求項11のRAIDシステム。
- 前記第1のLPDD上に前記読取りデータ用に十分なスペースがあれば、前記アレイ管理モジュールは前記読取りデータを前記第1のHPDDから前記第1のLPDDに転送する請求項13のRAIDシステム。
- 前記第1のLPDD上に前記読取りデータ用に十分なスペースがない場合は、前記アレイ管理モジュールは前記LUBを前記第1のLPDDから前記第1のHPDDに転送し、前記読取りデータを前記第1のHPDDから前記第1のLPDDに転送する請求項13のRAIDシステム。
- 前記読取りデータが前記第1のLPDDにない場合は、前記アレイ管理モジュールは前記読取りデータを前記第1のHPDDから検索する請求項13のRAIDシステム。
- 書込みデータに対する記憶要求中、前記アレイ管理モジュールは前記第1のLPDD上に前記書込みデータ用に十分なスペースがあるかどうかを判定し、十分なスペースがある場合は前記書込みデータを前記第1のLPDDに転送し、十分なスペースがない場合は、前記アレイ管理モジュールは前記書込みデータを第1のHPDDに記憶する請求項1のRAIDシステム。
- 前記アレイ管理モジュールは更に、データファイルを定期的に前記第1のLPDDから前記第1のHPDDに転送して前記第1のLPDD上で利用可能なディスクスペースを増やすLPDD保守モジュールを含み、前記LPDD保守モジュールは前記データファイルを経年、サイズ、今後使用する尤度の少なくとも1つをベースに転送する請求項18のRAIDシステム。
- 読取りデータを前記第1のHPDDから読み取り、前記読取りデータが順次アクセスデータファイルを含む場合、前記アレイ管理モジュールは前記読取りデータのセグメントを前記第1のHPDDから第1のLPDDに転送するバースト周期を計算し、前記バースト周期は、前記第1のLPDDのスピンアップ時間、前記第1のHPDDのスピンアップ時間、前記第1のLPDDの消費電力、前記第1のHPDDの消費電力、前記読取りデータの再生長、前記第1のLPDDの容量に基づく請求項1のRAIDシステム。
- 請求項1のRAIDシステムを備えたネットワーク付加記憶(NAS)システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/865,368 US7634615B2 (en) | 2004-06-10 | 2004-06-10 | Adaptive storage system |
US10/865,368 | 2004-06-10 |
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JP2005142145A Division JP5059298B2 (ja) | 2004-06-10 | 2005-05-16 | ディスクドライブシステム及びデータ記憶システム |
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JP2006024211A true JP2006024211A (ja) | 2006-01-26 |
JP2006024211A5 JP2006024211A5 (ja) | 2008-04-10 |
JP4969805B2 JP4969805B2 (ja) | 2012-07-04 |
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JP2005142145A Active JP5059298B2 (ja) | 2004-06-10 | 2005-05-16 | ディスクドライブシステム及びデータ記憶システム |
JP2005189049A Active JP4969804B2 (ja) | 2004-06-10 | 2005-06-28 | 適応記憶システム |
JP2005189050A Active JP4969805B2 (ja) | 2004-06-10 | 2005-06-28 | 適応記憶システム |
JP2005189048A Active JP4969803B2 (ja) | 2004-06-10 | 2005-06-28 | 適応記憶システム |
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JP2005142145A Active JP5059298B2 (ja) | 2004-06-10 | 2005-05-16 | ディスクドライブシステム及びデータ記憶システム |
JP2005189049A Active JP4969804B2 (ja) | 2004-06-10 | 2005-06-28 | 適応記憶システム |
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JP2005189048A Active JP4969803B2 (ja) | 2004-06-10 | 2005-06-28 | 適応記憶システム |
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US (2) | US7634615B2 (ja) |
EP (4) | EP1605455B1 (ja) |
JP (4) | JP5059298B2 (ja) |
CN (4) | CN1866163A (ja) |
DE (2) | DE602005013322D1 (ja) |
HK (1) | HK1094259A1 (ja) |
TW (4) | TWI417743B (ja) |
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