WO2001055856A9 - Logical view and access to physical storage in modular data and storage management system - Google Patents
Logical view and access to physical storage in modular data and storage management systemInfo
- Publication number
- WO2001055856A9 WO2001055856A9 PCT/US2001/003183 US0103183W WO0155856A9 WO 2001055856 A9 WO2001055856 A9 WO 2001055856A9 US 0103183 W US0103183 W US 0103183W WO 0155856 A9 WO0155856 A9 WO 0155856A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- storage
- data
- media
- policies
- selected data
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/068—Hybrid storage device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0632—Configuration or reconfiguration of storage systems by initialisation or re-initialisation of storage systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0647—Migration mechanisms
Definitions
- the present invention generally relates to data storage in computer systems and more particularly to the logical view and access to physical storage in a modular data and storage management system.
- the method may also include migrating the selected data among the plurality storage media according to the particular storage policy.
- Fig. 4 is a block diagram of another exemplary storage system that illustrates another embodiment of the storage system of Fig. 1.
- Fig. 6 is a block diagram of exemplary storage sequences in greater detail than as illustrated in Fig. 5.
- Fig. 7 is a block diagram of the initial storage sequence selection illustrated in greater detail than in Fig. 5.
- Fig. 8 is a block diagram of the storage sequence reselection illustrated in greater detail than in Fig. 5.
- Storage policy is a logical concept. Each storage policy comprises one or more copies. Each copy is a self-contained unit of information. A primary copy indicates the default destination of storage operations and is tied to a practical set of drives, e.g., physical drives. Drives are addressed independently of the library or media agent that they are attached to. Storage policy at the same time comprises of a multiple number of streams which indicate the number of active drives that the storage operation can run against, allowing parallelism in data transfer. A single copy backup may always be run which transfers data to the primary copy. The primary copy may then be replicated to the secondary copies or a multiple copy simultaneous backup may be performed.
- the user just has to define a "Storage Policy" which defines where, how, and the duration the data should be stored at a higher level of abstraction without having to have intimate knowledge of the underlying storage and technology.
- Storage Policy defines where, how, and the duration the data should be stored at a higher level of abstraction without having to have intimate knowledge of the underlying storage and technology.
- the management of the details of data storage is transparent to the user.
- Fig. 1 is a block diagram of an exemplary embodiment of a storage system 100 that operates according to principles of the present invention.
- the storage system 100 includes software applications 102 that a user interacts with to store data to various storage media.
- the software applications 102 communicate with a storage control 104 that determines where to store data from the software applications 102 according to storage policies 106.
- the storage control 104 typically receives data that is to be stored from the software applications 102.
- the storage control 104 determines whether to store the data in a first storage media 108, a second storage media 110, or any number of other storage media down to an Nth storage media 112.
- the storage control 104 controls which storage media the data will be stored to as well as where data that has been previously stored will be moved to.
- Fig. 2 is a block diagram of an exemplary storage system 200 illustrated in greater detail than the storage system 100.
- the storage system 200 includes a single computing device 202 to carry out operations of the storage system 200.
- the computing device 202 includes a software application 204 that interacts with an installed file system 206 when a user desires to transfer data from the software application 204 to the storage media. For example, when a user saves data from the software application 204, the user is only aware that the data is being saved to the installed file system 206.
- the installed file system 206 interacts with a manager module 208, which in turn interacts with a media module 210.
- Fig. 3 is a block diagram of another exemplary storage system 300 that is illustrated in greater detail than the storage system 100.
- the storage system 300 includes a computing device 302, a computing device 304, and a computing device 306 that are interconnected and communicate with one another on a network 307, such as an ethernet network.
- the computing device 306 includes magnetic disc media 308 for storage of data that the computing device 306 receives from the computing device 302.
- the computing device 302 includes software applications 310 and installed file system 312.
- the installed file system 312 begins interacting with a manager module 314 of the computing device 304.
- the manager module 314 includes storage policies 316, creation tools 318, and a master map 320.
- the software application is directed to stored data
- the data is sent to the installed file system and then the manager module 314 examines the storage policies 316 to determine the appropriate location for storage of the data.
- the master map 320 includes further information for directing the data to be sent to the computing device 306 where a media module 322 receives the data and the data is then stored in the appropriate storage media.
- a data index 324 in the media module 322 contains still further information regarding the location to store the data. From computing device 306, the data may be stored in the magnetic disc media 308 or an optical media 326.
- the master map 320 may direct the data to be stored in a computing device 328, rather than the computing device 306.
- a media module 330 determines exactly where the data is to be stored and updates a data index 332 when the data is stored in one of the storage media such as the optical media 326 or a magnetic tape media 334.
- the master map 320 could also send the data to a computing device 336 where a media module 338 determines that the data will be placed at a different location and this information is updated in a data index 340 before the data is finally sent to other storage 342.
- the computing device 302 is used to store data from the software applications 310 in one of multiple storage locations.
- the storage media 308, 326, 334, and 342 could be located in other arrangements than as distributed between the computing devices 306, 328, 336.
- a manager module does not necessarily have to be located in the computing device 304, but, as illustrated in dashed lines, a manager module 344 could replace or supplement the manager module 314.
- a manager module 346 illustrated in dashed lines could also replace or supplement the other manager modules 314 and 344.
- the media modules 322, 330, and 338 could also be supplemented with a media module 348 shown in dashed lines that would interact with an additional storage media 350, also illustrated in dashed lines. Further as illustrated in dashed lines, the computing device 304 could include a media module 352 that interacts with a storage media 354.
- Fig. 4 is a block diagram of another exemplary storage system 400 that illustrates another embodiment of the storage system 100.
- the storage system 400 includes computing devices 402, 404, and 406, which communicate across network 407. Each of the computing devices 402, 404, and 406 communicate with a storage area network 408 and a network attached storage 410.
- the computing device 402 includes software applications 412 that communicate with an installed file system 414.
- the installed file system 414 communicates with a media module 416.
- the software applications 412 desire to store data
- the data is transmitted through the installed file system 414 and to the media module 416.
- the decision is made whether to send the data to the storage area network 408 or the network attached storage 410, or to some other location, such as storage media 418.
- the installed file system 422 sends the data to the network attached storage 410 where a media module 438 directs the storage of the data at storage media 440.
- the storage media 440 represents one or more potential storage media that may be accessible for storage of the data.
- Fig. 8 is a block diagram of the storage sequence reselection 506.
- the storage sequence reselection 506 represents the factors that would be pertinent to selecting a new storage sequence for storage of data in the storage system 100. For example, if specific file usage history 802 shows that the data should be stored in a different storage sequence, the storage sequence reselection 506 allows the new selection of a storage sequence.
- the file type usage history 804 e.g., the access history of word documents, is another factor which may require a new storage sequence to be used in the storage system 100.
- Changes in user profile 806 are another reason for changing the storage sequences of the default system.
- Another factor for changing the default storage sequences is user network relocation 808. Still other factors include the available storage space 810 and added storage media 812.
- Fig. 9 is a block diagram of the storage sequence adaptation 508. Like the storage sequence reselection 506, the storage sequence adaptation 508 is illustrated having exemplary reasons for adapting the storage sequences that in the default storage control 104.
- a specific file usage history 902 could be a reason for changing a storage sequence, such as the primary storage sequence 602 having a greater duration for the first storage I.D. Changes in user profile 904 can also be a reason to adapt the storage sequences.
- Other factors for changing the storage sequences include user network relocation 906, available storage space 908, and added storage media 910.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01906833A EP1384135B1 (en) | 2000-01-31 | 2001-01-31 | Logical view and access to physical storage in modular data and storage management system |
AT01906833T ATE475929T1 (en) | 2000-01-31 | 2001-01-31 | LOGICAL VIEW AND ACCESS TO PHYSICAL STORAGE IN A MODULAR DATA AND STORAGE MANAGEMENT SYSTEM |
DE60142706T DE60142706D1 (en) | 2000-01-31 | 2001-01-31 | IN A SYSTEM FOR MANAGING MODULAR DATA AND STORAGE |
HK04105573.0A HK1062730A1 (en) | 2000-01-31 | 2004-07-28 | Logical view and access to physical storage in modular data and storage management system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17934400P | 2000-01-31 | 2000-01-31 | |
US60/179,344 | 2000-01-31 | ||
US09/774,268 US6542972B2 (en) | 2000-01-31 | 2001-01-30 | Logical view and access to physical storage in modular data and storage management system |
US09/774,268 | 2001-01-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2001055856A2 WO2001055856A2 (en) | 2001-08-02 |
WO2001055856A9 true WO2001055856A9 (en) | 2002-10-31 |
WO2001055856A3 WO2001055856A3 (en) | 2003-12-04 |
Family
ID=26875241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/003183 WO2001055856A2 (en) | 2000-01-31 | 2001-01-31 | Logical view and access to physical storage in modular data and storage management system |
Country Status (6)
Country | Link |
---|---|
US (1) | US6542972B2 (en) |
EP (1) | EP1384135B1 (en) |
AT (1) | ATE475929T1 (en) |
DE (1) | DE60142706D1 (en) |
HK (1) | HK1062730A1 (en) |
WO (1) | WO2001055856A2 (en) |
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