JP2011204285A5 - - Google Patents
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- JP2011204285A5 JP2011204285A5 JP2011158785A JP2011158785A JP2011204285A5 JP 2011204285 A5 JP2011204285 A5 JP 2011204285A5 JP 2011158785 A JP2011158785 A JP 2011158785A JP 2011158785 A JP2011158785 A JP 2011158785A JP 2011204285 A5 JP2011204285 A5 JP 2011204285A5
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本発明の代表的な一例を示せば以下の通りである。すなわち、データを記憶する第１の記憶装置および第２の記憶装置と、前記第１の記憶装置の第１の記憶領域を提供し、前記第２の記憶装置の記憶領域を複数の記憶領域に論理的に分割して第２の記憶領域と第３の記憶領域とを提供し、前記各記憶装置へのデータの入出力を制御するコントローラと、 A typical example of the present invention is as follows. That is, a first storage device and a second storage device that store data and a first storage area of the first storage device are provided, and the storage area of the second storage device is divided into a plurality of storage areas. A controller that logically divides and provides a second storage area and a third storage area, and controls input / output of data to / from each storage device;
前記各記憶装置と前記コントローラとを接続するＳＡＳエクスパンダと、を備えるストレージシステムであって、前記第１の記憶装置は、前記ＳＡＳエクスパンダと接続するための複数の物理ポートを備え、前記ＳＡＳエクスパンダとの間のデータ転送に用いるために、前記第１の記憶装置の複数の物理ポートのうちの第１の物理ポートと第２の物理ポートとを一つのリンクとする第１のリンクと、前記第２の記憶装置の複数の物理ポートのうちの第３の物理ポートを一つのリンクとする第２のリンクと、前記第２の記憶装置の複数の物理ポートのうちの第４の物理ポートを一つのリンクとする第３のリンクと、が形成され、前記第１のリンクは前記第１の記憶領域と関連付けられ、前記第２のリンクは前記第２の記憶領域と関連付けられ、前記第３のリンクは前記第３の記憶領域と関連付けられ、前記ＳＡＳエクスパンダは、前記第１のリンクと対応する前記第１の物理ポートおよび前記第２の物理ポートを用いて行われる、前記コントローラから前記第１の記憶装置の前記第１記憶領域へのアクセス要求に基づく、前記コントローラと前記第１の記憶装置との間のデータ転送と、前記第２のリンクと対応する前記第３の物理ポートを用いて行われる、前記コントローラから前記第２の記憶装置の前記第２記憶領域へのアクセス要求に基づく、前記コントローラと前記第１の記憶装置との間のデータ転送と、前記第３のリンクと対応する前記第４の物理ポートを用いて行われる、前記コントローラから前記第２の記憶装置の前記第３記憶領域へのアクセス要求に基づく、前記コントローラと前記第２の記憶装置との間のデータ転送と、を中継するように制御されることを特徴とする。 A storage system comprising a SAS expander for connecting each storage device and the controller, wherein the first storage device comprises a plurality of physical ports for connecting to the SAS expander, and the SAS A first link having a first physical port and a second physical port of the plurality of physical ports of the first storage device as one link for use in data transfer with the expander; A second link having a third physical port of the plurality of physical ports of the second storage device as one link, and a fourth physical of the plurality of physical ports of the second storage device A third link having a port as one link is formed, wherein the first link is associated with the first storage area, the second link is associated with the second storage area, The third link is associated with the third storage area, and the SAS expander is performed using the first physical port and the second physical port corresponding to the first link, Data transfer between the controller and the first storage device based on an access request from the controller to the first storage area of the first storage device, and the third link corresponding to the second link Data transfer between the controller and the first storage device based on an access request from the controller to the second storage area of the second storage device, performed using a physical port; Based on a request for access from the controller to the third storage area of the second storage device, which is performed using the fourth physical port corresponding to the link of the second storage device. It characterized in that it is controlled so as to relay the data transfer between the roller second storage device.
Claims (6)
前記第１の記憶装置の第１の記憶領域を提供し、前記第２の記憶装置の記憶領域を複数の記憶領域に論理的に分割して第２の記憶領域と第３の記憶領域とを提供し、前記各記憶装置へのデータの入出力を制御するコントローラと、
前記各記憶装置と前記コントローラとを接続するＳＡＳエクスパンダと、を備えるストレージシステムであって、
前記第１の記憶装置は、前記ＳＡＳエクスパンダと接続するための複数の物理ポートを備え、
前記ＳＡＳエクスパンダとの間のデータ転送に用いるために、前記第１の記憶装置の複数の物理ポートのうちの第１の物理ポートと第２の物理ポートとを一つのリンクとする第１のリンクと、前記第２の記憶装置の複数の物理ポートのうちの第３の物理ポートを一つのリンクとする第２のリンクと、前記第２の記憶装置の複数の物理ポートのうちの第４の物理ポートを一つのリンクとする第３のリンクと、が形成され、
前記第１のリンクは前記第１の記憶領域と関連付けられ、前記第２のリンクは前記第２の記憶領域と関連付けられ、前記第３のリンクは前記第３の記憶領域と関連付けられ、
前記ＳＡＳエクスパンダは、
前記第１のリンクと対応する前記第１の物理ポートおよび前記第２の物理ポートを用いて行われる、前記コントローラから前記第１の記憶装置の前記第１記憶領域へのアクセス要求に基づく、前記コントローラと前記第１の記憶装置との間のデータ転送と、
前記第２のリンクと対応する前記第３の物理ポートを用いて行われる、前記コントローラから前記第２の記憶装置の前記第２記憶領域へのアクセス要求に基づく、前記コントローラと前記第１の記憶装置との間のデータ転送と、
前記第３のリンクと対応する前記第４の物理ポートを用いて行われる、前記コントローラから前記第２の記憶装置の前記第３記憶領域へのアクセス要求に基づく、前記コントローラと前記第２の記憶装置との間のデータ転送と、を中継するように制御されることを特徴とするストレージシステム。 A first storage device and a second storage device for storing data ;
A first storage area of the first storage device is provided, and the storage area of the second storage device is logically divided into a plurality of storage areas, and the second storage area and the third storage area are divided into A controller for controlling input / output of data to / from each storage device,
A storage system comprising: a SAS expander for connecting each storage device and the controller;
The first storage device includes a plurality of physical ports for connecting to the SAS expander ,
For use in data transfer between the SAS expander, the first to the first of the first physical port and one link and a second physical port of the plurality of physical ports of the storage device A link , a second link having a third physical port of the plurality of physical ports of the second storage device as one link, and a fourth of the plurality of physical ports of the second storage device And a third link having one physical port as one link ,
Wherein the first link is associated with the first storage area, said second link associated with the second storage area, wherein the third link is associated with said third memory area,
The SAS expander is
The first link to be performed using the corresponding said first physical port and said second physical port based on the access request to the first storage area of the first storage device from said controller, said Data transfer between a controller and the first storage device ;
Is performed using the third physical port corresponding to the second link, based on the access request to the second storage area of said second storage device from said controller, said controller and said first memory and data transfer between the device,
The controller and the second storage based on an access request from the controller to the third storage area of the second storage device, which is performed using the fourth physical port corresponding to the third link. A storage system controlled to relay data transfer with an apparatus .
前記記憶装置の前記複数の複数のポートには、複数の現用系ポートと、当該複数の現用形ポートに障害が発生した場合に使用される複数の待機系ポートが含まれ、前記第１の物理ポートおよび前記第２の物理ポートは前記複数の現用系ポートに含まれることを特徴とするストレージシステム。 The storage system according to claim 1,
The plurality of ports of the storage device include a plurality of working ports and a plurality of standby ports used when a failure occurs in the plurality of working ports, and the first physical The storage system, wherein the port and the second physical port are included in the plurality of working ports.
前記記憶装置は、半導体記憶装置であることを特徴とするストレージシステム。 The storage system according to claim 1 or 2,
The storage system is a semiconductor storage device.
前記ストレージシステムは、データを記憶する第１の記憶装置および第２の記憶装置と、前記第１の記憶装置の第１の記憶領域を提供し、前記第２の記憶装置の記憶領域を複数の記憶領域に論理的に分割して第２の記憶領域と第３の記憶領域とを提供し、前記各記憶装置へのデータの入出力を制御するコントローラと、前記各記憶装置と前記コントローラとを接続するＳＡＳエクスパンダと、を備え、 The storage system provides a first storage device and a second storage device that store data, a first storage area of the first storage device, and a plurality of storage areas of the second storage device A controller that logically divides into storage areas to provide a second storage area and a third storage area, and controls input / output of data to / from each of the storage devices; and each of the storage devices and the controller A SAS expander to be connected,
前記第１の記憶装置は、前記ＳＡＳエクスパンダと接続するための複数の物理ポートを備え、 The first storage device includes a plurality of physical ports for connecting to the SAS expander,
前記方法は、 The method
前記コントローラは、前記ＳＡＳエクスパンダとの間のデータ転送に用いるために、前記第１の記憶装置の複数の物理ポートのうちの第１の物理ポートと第２の物理ポートとを一つのリンクとする第１のリンクと、前記第２の記憶装置の複数の物理ポートのうちの第３の物理ポートを一つのリンクとする第２のリンクと、前記第２の記憶装置の複数の物理ポートのうちの第４の物理ポートを一つのリンクとする第３のリンクとを形成し、 The controller uses a first physical port and a second physical port among a plurality of physical ports of the first storage device as one link for use in data transfer with the SAS expander. A second link having a third physical port of the plurality of physical ports of the second storage device as one link, and a plurality of physical ports of the second storage device Forming a fourth link of which the fourth physical port is one link,
前記第１のリンクは前記第１の記憶領域と関連付けられ、前記第２のリンクは前記第２の記憶領域と関連付けられ、前記第３のリンクは前記第３の記憶領域と関連付けられ、 The first link is associated with the first storage area, the second link is associated with the second storage area, the third link is associated with the third storage area;
前記ＳＡＳエクスパンダは、 The SAS expander is
前記第１のリンクと対応する前記第１の物理ポートおよび前記第２の物理ポートを用いて行われる、前記コントローラから前記第１の記憶装置の前記第１記憶領域へのアクセス要求に基づく、前記コントローラと前記第１の記憶装置との間のデータ転送と、 Based on an access request from the controller to the first storage area of the first storage device, performed using the first physical port and the second physical port corresponding to the first link, Data transfer between a controller and the first storage device;
前記第２のリンクと対応する前記第３の物理ポートを用いて行われる、前記コントローラから前記第２の記憶装置の前記第２記憶領域へのアクセス要求に基づく、前記コントローラと前記第１の記憶装置との間のデータ転送と、 The controller and the first storage based on an access request from the controller to the second storage area of the second storage device, which is performed using the third physical port corresponding to the second link. Data transfer to and from the device;
前記第３のリンクと対応する前記第４の物理ポートを用いて行われる、前記コントローラから前記第２の記憶装置の前記第３記憶領域へのアクセス要求に基づく、前記コントローラと前記第２の記憶装置との間のデータ転送と、を中継するように制御することを特徴とするストレージシステムの制御方法。 The controller and the second storage based on an access request from the controller to the third storage area of the second storage device, which is performed using the fourth physical port corresponding to the third link. A control method for a storage system, characterized in that control is performed so as to relay data transfer to and from an apparatus.
前記記憶装置の前記複数の複数のポートには、複数の現用系ポートと、当該複数の現用形ポートに障害が発生した場合に使用される複数の待機系ポートが含まれ、前記第１の物理ポートおよび前記第２の物理ポートは前記複数の現用系ポートに含まれることを特徴とするストレージシステムの制御方法。 The plurality of ports of the storage device include a plurality of working ports and a plurality of standby ports used when a failure occurs in the plurality of working ports, and the first physical The storage system control method, wherein the port and the second physical port are included in the plurality of working ports.
前記記憶装置は、半導体記憶装置であることを特徴とするストレージシステムの制御方法。 A storage system control method, wherein the storage device is a semiconductor storage device.
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| JP2011158785A JP5314737B2 (en) | 2011-07-20 | 2011-07-20 | Storage system and control method thereof |
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| JP2011158785A JP5314737B2 (en) | 2011-07-20 | 2011-07-20 | Storage system and control method thereof |
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| JP2008261997A Division JP4809413B2 (en) | 2008-10-08 | 2008-10-08 | Storage system |
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| JP2011204285A JP2011204285A (en) | 2011-10-13 |
| JP2011204285A5 true JP2011204285A5 (en) | 2011-12-22 |
| JP5314737B2 JP5314737B2 (en) | 2013-10-16 |
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| JP2013229013A (en) | 2012-03-29 | 2013-11-07 | Semiconductor Energy Lab Co Ltd | Array controller and storage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02226548A (en) * | 1989-02-28 | 1990-09-10 | Nec Eng Ltd | Magnetic disk device |
| US6219753B1 (en) * | 1999-06-04 | 2001-04-17 | International Business Machines Corporation | Fiber channel topological structure and method including structure and method for raid devices and controllers |
| JP4220887B2 (en) * | 2003-11-17 | 2009-02-04 | 株式会社日立製作所 | Disk device and control method thereof |
| JP4585276B2 (en) * | 2004-11-01 | 2010-11-24 | 株式会社日立製作所 | Storage system |
| JP2006268625A (en) * | 2005-03-25 | 2006-10-05 | Hitachi Ltd | Access path management method and device |
| US7661002B2 (en) * | 2005-08-04 | 2010-02-09 | Dot Hill Systems Corporation | Storage controller super capacitor dynamic voltage throttling |
| US20070220203A1 (en) * | 2006-03-15 | 2007-09-20 | Hitachi, Ltd. | Management method for virtualized storage view |
| JP4775846B2 (en) * | 2006-03-20 | 2011-09-21 | 株式会社日立製作所 | Computer system and method for controlling allocation of physical links |
| JP2008112343A (en) * | 2006-10-31 | 2008-05-15 | Hitachi Ltd | Computer system, access-controlling method, and host computer |
| US8447872B2 (en) * | 2006-11-01 | 2013-05-21 | Intel Corporation | Load balancing in a storage system |
| JP4537425B2 (en) * | 2007-06-28 | 2010-09-01 | 株式会社日立製作所 | Disk array device |
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