JP4728060B2 - ストレージ装置 - Google Patents
ストレージ装置 Download PDFInfo
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- JP4728060B2 JP4728060B2 JP2005211247A JP2005211247A JP4728060B2 JP 4728060 B2 JP4728060 B2 JP 4728060B2 JP 2005211247 A JP2005211247 A JP 2005211247A JP 2005211247 A JP2005211247 A JP 2005211247A JP 4728060 B2 JP4728060 B2 JP 4728060B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operations
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1435—Saving, restoring, recovering or retrying at system level using file system or storage system metadata
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2069—Management of state, configuration or failover
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/84—Using snapshots, i.e. a logical point-in-time copy of the data
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Databases & Information Systems (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Software Systems (AREA)
- Storage Device Security (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
"Securing Networked Storage whitepaper"、DECRU Inc.、2004年 "Data Protection with Storage Networks PartII"、p.25−45、[online]、2004年、SNIA、インターネット<URL:http://www.snia.org/education/tutorials/fall2004/backup/data_protection_partII.pdf> "Examination of Disk-based Data Protection Technologies"、p.23−36、[online]、2005年、SNIA、インターネット<URL:http://www.snia.org/education/tutorials/spr2005/data-management/ExaminationofDiskBasedDataProtection-v5.pdf>
(第1の実施形態)
図1は、本発明の第1の実施の形態の計算機システムの構成ブロック図である。
(第2の実施形態)
次に本発明の第2の実施の形態について説明する。
(第4の実施形態)
次に、本発明の第4の実施の形態について説明する。
(第5の実施の形態)
次に、第5の実施の形態を説明する。
102 ディスク装置群
103 ディスク装置群
104 ホスト
105 ネットワーク
106 ネットワーク
107 管理部
111 ホストインターフェース部
112 MP部
113 ディスクインターフェース部
114 メモリ部
115 管理部
116 相互結合部
117 暗号化機能部
700 ボリューム管理テーブル
Claims (8)
- ネットワークを介してホスト計算機と接続するホストインターフェース部と、
ディスク装置と接続するディスクインターフェース部と、
ストレージ装置の制御情報を格納し、キャッシュメモリとして機能するメモリ部と、
ストレージ装置を制御するプロセッサ部と、
前記ホストインターフェース部、前記ディスクインターフェース部、前記メモリ部及び前記プロセッサ部を相互に接続する相互結合部と、
前記ホスト計算機によって読み書きされるデータを暗号化する暗号化機能部と、
を備え、
前記ディスク装置には第1の論理ボリューム及び第2の論理ボリュームが設定されており、
前記第1の論理ボリュームと前記第2の論理ボリュームとでコピーペアが設定されており、
前記プロセッサ部は、
前記第1の論理ボリュームに格納されているデータを読み出し、
前記読み出されたデータを、当該第1の論理ボリュームに対応する暗号鍵を用いて復号化し、
前記復号化されたデータを、前記第2の論理ボリュームに対応する暗号鍵を用いて暗号化し、
前記暗号化されたデータを前記第2の論理ボリュームに書き込むことによって、前記第1の論理ボリュームの内容を前記第2の論理ボリュームに複製し、
前記ホスト計算機から前記第1の論理ボリュームへのデータの書き込み要求があった場合は、当該書き込みデータを前記第1の論理ボリュームに対応する暗号鍵を用いて暗号化し、暗号化されたデータを前記第1の論理ボリューム及び第2の論理ボリュームに書き込み、
前記コピーペアの状態が変化した場合は、前記第1の論理ボリュームに対応する暗号鍵を変更し、当該変更した暗号鍵を用いて前記書き込みデータを暗号化し、暗号化されたデータを前記第1の論理ボリュームに書き込むことを特徴とするストレージ装置。 - 前記プロセッサ部は、データを暗号化又は復号化するときに、当該データを、前記暗号化機能部に送信することを特徴とする請求項1に記載のストレージ装置。
- 前記プロセッサ部は、データを暗号化又は復号化するときに、当該データを、前記メモリ部のキャッシュメモリ領域に書き込むことを特徴とする請求項1に記載のストレージ装置。
- 前記ホスト計算機がデータの書き込みを要求した場合に、
前記プロセッサ部は、
前記書き込みデータを前記メモリ部のキャッシュメモリ領域に格納し、
前記格納された書き込みデータを前記暗号化機能部に送信し、
前記暗号化機能部によって暗号化されたデータを、当該書き込み要求に係る領域に書き込むことを特徴とする請求項1に記載のストレージ装置。 - 前記暗号化機能部は、前記ホストインターフェース部に備わることを特徴とする請求項1に記載のストレージ装置。
- 前記暗号化機能部は、前記ディスクインターフェース部に備わることを特徴とする請求項1に記載のストレージ装置。
- 前記暗号化機能部は、前記メモリ部に備わることを特徴とする請求項1に記載のストレージ装置。
- ネットワークを介してホスト計算機と接続するホストインターフェース部と、
ディスク装置と接続するディスクインターフェース部と、
ストレージ装置の制御情報を格納し、キャッシュメモリとして機能するメモリ部と、
ストレージ装置を制御するプロセッサ部と、
前記ホストインターフェース部、前記ディスクインターフェース部、前記メモリ部及び前記プロセッサ部を相互に接続する相互結合部と、
前記ホスト計算機によって読み書きされるデータを暗号化する暗号化機能部と、
を備え、
前記プロセッサ部は、
前記ホスト計算機からデータの更新要求があった場合は、
前記更新要求に係る更新前のデータと更新データとの差分データを、当該差分データに対応する暗号鍵を用いて暗号化し、
前記暗号化されたデータを、所定の領域に書き込み、
前記ホスト計算機からデータの再現要求があった場合は、
前記再現要求に係る差分データを取得し、
前記取得された差分データを復号化し、
前記復号化された差分データを用いて再現要求に係るデータを再現し、
前記再現されたデータを、前記差分データに対応する暗号鍵とは異なる暗号鍵を用いて暗号化し、
前記暗号化されたデータを、前記差分データが格納されていた領域とは異なる領域に書き込むことを特徴とするストレージ装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005211247A JP4728060B2 (ja) | 2005-07-21 | 2005-07-21 | ストレージ装置 |
| US11/232,969 US7627756B2 (en) | 2005-07-21 | 2005-09-23 | Storage system for data encryption |
| US12/581,933 US8200965B2 (en) | 2005-07-21 | 2009-10-20 | Storage system for data encryption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005211247A JP4728060B2 (ja) | 2005-07-21 | 2005-07-21 | ストレージ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007028502A JP2007028502A (ja) | 2007-02-01 |
| JP4728060B2 true JP4728060B2 (ja) | 2011-07-20 |
Family
ID=37788627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005211247A Expired - Fee Related JP4728060B2 (ja) | 2005-07-21 | 2005-07-21 | ストレージ装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US7627756B2 (ja) |
| JP (1) | JP4728060B2 (ja) |
Cited By (1)
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|---|---|---|---|---|
| US8886956B2 (en) | 2009-09-22 | 2014-11-11 | Samsung Electronics Co., Ltd. | Data storage apparatus having cryption and method thereof |
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| US20100042832A1 (en) | 2010-02-18 |
| US8200965B2 (en) | 2012-06-12 |
| US20070180239A1 (en) | 2007-08-02 |
| US7627756B2 (en) | 2009-12-01 |
| JP2007028502A (ja) | 2007-02-01 |
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