KR102376152B1 - Apparatus and method for providing storage for providing cloud services - Google Patents

Abstract

A storage providing apparatus and method for providing a cloud service are disclosed. A storage providing apparatus for providing a cloud service according to an embodiment of the present invention includes: a data distribution and storage unit for distributing data to store data in integrated storage including on-premises storage and cloud storage; a backend storage management unit that connects the integrated storage to store the data and provides storage tiering information of the data; and a data manipulation unit providing the integrated storage as a virtual data storage regardless of an actual storage location of the data, and a storage connection unit providing an interface to the virtual data storage as a single virtual storage to a user.

Description

Storage providing device and method for providing cloud service {APPARATUS AND METHOD FOR PROVIDING STORAGE FOR PROVIDING CLOUD SERVICES}

The present invention relates to cloud computing technology, and more particularly, to a storage integration technology of cloud storage and non-cloud storage.

Currently, there is an increase in technology development and market demand for cloud computing, which allows users to borrow and use the services they want without time and place restrictions. Cloud computing can provide network, storage, and computing services that users want through the Internet without having to build dedicated HW and SW for each user.

In the case of a storage system related to a data storage service among cloud computing technologies, a user may simply request data storage through a secure and convenient service interface provided by the system. At this time, a cloud-integrated storage system in which data is stored in a single shape storage integrated with on-premises-public cloud storage is being developed.

In particular, the cloud integrated storage system integrates management and operation of a single form of on-premises-public storage that can utilize the advantages of both on-premise storage owned by enterprises and institutions and public cloud storage provided by cloud providers. can

The cloud integrated storage system can provide a convergence storage infrastructure service that secures the elasticity and cost-efficiency of storage space and guarantees control and reliability of sensitive data through on-premises-public storage of a single shape.

Through this, the cloud integrated storage system can expand the convenience of using cloud services for new business creation and use in various fields.

The trend of a similar system in the prior art is as follows.

In order to support the operation of 'IDC 3rd Platform (real-time analysis, IoT, AI computing)', the requirements for building and introducing hybrid cloud computing services are increasing.

The 'IDC 3rd Platform (real-time analysis, IoT, AI computing)' aims to support the expansion of computing resources and improve the management efficiency of automation and computing environments by integrating various cloud models into one.

Based on the OpenStack structure, HP provides a REST API-based infrastructure management function, and some services provide its open source Helion Eucalyputs platform designed to be compatible with Amazon AWS.

VMware announced vCHS (vCloud Hybrid Service), which provides integrated server, storage, and network virtualization technologies based on the existing VMware virtualization and infrastructure.

Rackspace focuses on the expansion of cloud infrastructure, integrating cloud servers and enterprise SAN storage, and supporting data protection through Cisco ASA firewall.

Avere System's Avere FlashCloud and MS's Storsimple are cloud storage gateways with a storage tier structure that divides local and cloud storage according to data usage frequency to provide data backup and archive, Tier 2 level application, and disaster recovery service. have the skills

The technology that operates the same data in the form of replication in both local and public storage is the cloud storage gateway copy structure, and there is the Ctera Networks Cloud Storage Gateway solution. The technology additionally provides file distribution and file synchronization and sharing services.

Meanwhile, Korea Patent Registration No. 10-1212778 “Cloud computing-based smart office system and server and operation method for its operation” describes a smart office system and operation including a cloud-based mobile web server and an on-premises-based mobile web server. Disclosed is a server and an operating method for the.

An object of the present invention is to improve the read/write performance of integrated storage that integrates cloud storage and on-premises storage.

Another object of the present invention is to provide a data storage service with the same performance of cloud storage and on-premises storage included in the integrated storage.

Another object of the present invention is to move user's data based on elasticity and cost-effectiveness of storage space.

In addition, an object of the present invention is to provide an integrated storage service that meets the needs of users by supporting various cloud storage such as Amazon S3 and MS Azure.

In addition, an object of the present invention is to provide access speed of on-premises storage to cloud storage.

Another object of the present invention is to provide a service interface so that a user can access cloud integrated storage using various service protocols.

Another object of the present invention is to provide a storage service of various types, such as a conventional conventional file, block-level storage service, and an object-type storage service provided by recent cloud storage.

In addition, an object of the present invention is to ensure secure data transmission between on-premises storage and cloud storage to ensure user data confidentiality.

Another object of the present invention is to prevent data loss due to system errors.

Another object of the present invention is to support a multi-tenant function that simultaneously performs a plurality of cloud services.

A storage providing apparatus for providing a cloud service according to an embodiment of the present invention for achieving the above object is data distribution and storage for distributing the data to store the data in integrated storage including on-premises storage and cloud storage wealth; a backend storage management unit that connects the integrated storage to store the data and provides storage tiering information of the data; and a data manipulation unit providing the integrated storage as a virtual data storage regardless of an actual storage location of the data, and a storage connection unit providing an interface to the virtual data storage as a single virtual storage to a user.

In this case, the data distribution and storage unit may optimize the data written to the integrated storage to minimize writing and access times for the data and perform compression or encryption of the data.

In this case, the data manipulation unit may provide a write buffer function or a read cache function for the data, and increase a write or read response time for the data by using high-speed storage.

The storage providing apparatus for providing the cloud service further includes a provisioning and policy management unit that provides metadata for storing and distributing the data, wherein the metadata includes first metadata required for data operation and storage operation. may include second metadata for

In addition, the storage providing method for providing a cloud service according to an embodiment of the present invention for achieving the above object is a storage providing method for providing a cloud service of a storage providing apparatus for providing a cloud service, on-premises storage and A data distribution step of distributing the data to store data in integrated storage including cloud storage, and providing the integrated storage as virtual data storage regardless of the actual storage location of the data, and providing the virtual data storage to a user and a data management step of providing an interface as a virtual storage.

In this case, the data management step may further include connecting the integrated storage to store the data, and providing storage tiering information of the data.

In this case, the data distribution step may optimize data written to the integrated storage to minimize write and access times for the data and perform compression or encryption of the data.

In this case, in the data management step, a write buffer function or a read cache function for the data may be provided, and a write or read response time for the data may be increased by using a high-speed storage.

In this case, the storage providing method for providing the cloud service further includes a provisioning step of providing metadata for storing and distributing the data, wherein the metadata includes first metadata and storage required for data operation. Second metadata for the operation may be included.

The present invention can improve the read/write performance of integrated storage that integrates cloud storage and on-premises storage.

In addition, the present invention can provide a data storage service with the same performance of the cloud storage and the on-premises storage included in the integrated storage.

In addition, the present invention can move the user's data based on the elasticity and cost-effectiveness of the storage space.

In addition, the present invention supports various cloud storage such as Amazon S3 and MS Azure to provide an integrated storage service that meets the needs of users.

In addition, the present invention can provide the access speed of the on-premises storage level to the cloud storage.

In addition, the present invention may provide a service interface so that a user can access the cloud integrated storage using various service protocols.

In addition, the present invention can provide various types of storage services, such as a conventional conventional file, block-level storage service, and an object-type storage service provided by recent cloud storage.

In addition, the present invention can ensure secure data transmission between the on-premises storage and the cloud storage to ensure the confidentiality of the user's data.

In addition, the present invention can prevent data loss due to a system error.

In addition, the present invention provides a cloud integrated storage in the form of an appliance in which storage hardware and software are integrated into one for user's convenience, so that a system can be easily built.

In addition, the present invention may support a multi-tenant function that simultaneously performs a plurality of cloud services.

1 is a block diagram illustrating an integrated storage system according to an embodiment of the present invention.
2 is a block diagram illustrating a storage providing apparatus for providing a cloud service according to an embodiment of the present invention.
3 is a detailed block diagram illustrating an example of the storage connection unit illustrated in FIG. 2 .
4 is a detailed block diagram illustrating an example of the data manipulation unit shown in FIG. 2 .
5 is a diagram illustrating an example of a ramdisk according to an embodiment of the present invention.
6 is a diagram illustrating in detail operations of a data distribution and storage unit and a backend storage management unit according to an embodiment of the present invention.
7 is an operation flowchart illustrating a storage providing method for providing a cloud service according to an embodiment of the present invention.
8 is a diagram illustrating a relationship between a storage providing apparatus for providing a cloud service and a service provider according to an embodiment of the present invention.
9 is an operation flowchart illustrating a storage providing method for storage service registration according to an embodiment of the present invention.
10 is a block diagram illustrating a storage providing apparatus for providing a cloud service according to an embodiment of the present invention.
11 is a block diagram illustrating a storage providing apparatus for providing a cloud service using a backend connection daemon according to an embodiment of the present invention.
12 is an operation flowchart illustrating a storage providing method according to an embodiment of the present invention.
13 is a block diagram illustrating a computer system according to an embodiment of the present invention.

The present invention will be described in detail with reference to the accompanying drawings as follows. Here, repeated descriptions, well-known functions that may unnecessarily obscure the gist of the present invention, and detailed descriptions of configurations will be omitted. The embodiments of the present invention are provided in order to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shapes and sizes of elements in the drawings may be exaggerated for clearer description.

Throughout the specification, when a part "includes" a certain element, it means that other elements may be further included, rather than excluding other elements, unless otherwise stated.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating an integrated storage system according to an embodiment of the present invention.

Referring to FIG. 1 , the integrated storage system according to an embodiment of the present invention may include a user client device 10 , a storage providing device 100 for providing a cloud service, and an integrated storage 20 .

In the user client device 10 , a user may request a service of the integrated storage 20 through the storage providing device 100 and receive the service.

The integrated storage 20 may include a cloud storage 21 and a non-cloud storage 22 .

The cloud storage 21 may correspond to public cloud storage provided by a business operator.

The non-cloud storage 22 may correspond to on-premises storage owned by enterprises and institutions.

The storage providing device 100 may manage and operate the cloud storage 21 and the non-cloud storage 22 included in the integrated storage 20 in a single shape.

In this case, the storage providing device 100 may provide the cloud service with the same performance at a level that cannot identify whether the user accesses the cloud storage 21 or the non-cloud storage 22 .

2 is a block diagram illustrating a storage providing apparatus for providing a cloud service according to an embodiment of the present invention. 3 is a detailed block diagram illustrating an example of the storage connection unit illustrated in FIG. 2 . 4 is a detailed block diagram illustrating an example of the data manipulation unit shown in FIG. 2 .

Referring to FIG. 2 , a storage providing apparatus 100 for providing a cloud service according to an embodiment of the present invention includes a storage connection unit 110 , a data manipulation unit 120 , a data distribution and storage unit 130 , and a backend storage management unit. 140 and a provisioning and policy management unit 150 .

The storage connection unit 110 may provide a service of the integrated storage 20 to a user by interworking with the integrated storage 20 .

Referring to FIG. 3 , the storage connection unit 110 may include a virtual block device service engine 111 , a file system service engine 112 , and an object storage service engine 113 .

At this time, the storage connection unit 110 may provide block, file, and object storage protocol processing, IO interface, and an acceleration function for improving it.

In this case, the storage connection unit 110 may basically provide a block device and a file system service, which are traditional storage service interfaces, to the user, and may also provide a recently appeared object storage interface.

The data manipulation unit 120 may provide a virtual disk pool to the user to provide a single storage view of the entire storage system.

That is, the data manipulation unit 120 may configure a virtual disk pool using a fast storage resource, and may provide storages as virtual disks to the user.

In this case, the data manipulation unit 120 may provide the integrated storage 20 as a virtual data storage regardless of the actual storage location of the data.

In this case, the storage connection unit 110 may provide an interface to the virtual data storage as a single virtual storage to the user.

Accordingly, the user can be provided with a single storage configuration, although data is physically distributed across different types of storage, without considering the actual storage location of the data.

The data manipulation unit 120 may provide at least one of a write buffer function and a read cache function for data, and may improve write and read response times for the data by using high-speed storage.

In this case, the data manipulation unit 120 may provide data management functions such as snapshots, fast replication, and distributed transaction logs.

In this case, the data manipulation unit 120 may provide a write buffer or a read cache function to a corresponding user in the case of a data write or data read operation.

In this case, the data manipulation unit 120 may guarantee a fast response time to the user by using a memory, an SSD, and a PCIe flash card.

In this case, the data manipulation unit 120 may provide a read/write cache of data for providing the service of the integrated storage by using the ramdisk.

The data manipulation unit 120 may provide a cache function for data stored in public cloud storage (cloud storage 21 ). Data stored in public cloud storage is slower than on-premises storage (non-cloud storage 22) because data is transmitted through the Internet network.

In addition, since data is automatically distributed and stored in public cloud storage without the user's awareness, high-speed access to data stored in public cloud storage is required.

The data manipulation unit 120 caches data stored in the public cloud storage as a storage device inside the cloud integrated storage operation platform, and may provide an access speed of the on-premises storage level to the public cloud storage.

Referring to FIG. 4 , the data manipulation unit 120 includes an in-memory namespace block 121 , a read cache unit 122 , a write cache unit 123 , an in-memory deduplication engine 124 , and an in-memory data compression engine 125 . ) may be included.

The in-memory namespace block 121 stores information that is periodically read and written to access actual data, and can ensure a high-speed access speed.

In this case, the in-memory namespace block 121 may provide a data storage and management function by storing information necessary for data access in the high-speed main memory.

In this case, the in-memory namespace block 121 has a limit in its capacity or a volatile storage medium. Therefore, backup is performed through real-time backup, and the backed-up namespace block can perform high availability through clustering of multiple nodes (virtual machines or physical servers).

At this time, the data manipulation unit 120 provides an in-memory-based namespace block 121 and an in-memory deduplication engine 124 and an in-memory data compression engine 125 that are data compression structures in order to provide fast performance of the integrated storage structure. may be simultaneously performed in an in-memory block.

At this time, the data manipulation unit 120 must ensure a high-speed access speed of the Glover namespace for actual data access, and can provide a high-speed processing method to store and read it at a high speed.

The read cache unit 122 and the write cache unit 123 may be configured in the form of a single disk including a RAM corresponding to a main memory and a solid state drive (SSD) in the form of a RAM disk.

The read cache unit 122 and the write cache unit 123 may perform real-time backup to the SSD according to the characteristics of the volatile memory.

At this time, the read cache unit 122 and the write cache unit 123 may automatically switch to the SSD-based cache area when all of the RAM-based cache area is exhausted.

In this case, the read cache unit 122 and the write cache unit 123 may provide a form of returning immediately upon writing to the memory area for a quick write response when the user performs writing.

The in-memory deduplication engine 124 and the in-memory data compression engine 125 may correspond to the data distribution and storage unit 130 to be described below.

That is, the data distribution and storage unit 130 may be included in the data manipulation unit 120 .

The in-memory deduplication engine 124 may provide a function of distributing and storing data in a plurality of physical devices to prevent data loss.

In this case, the in-memory deduplication engine 124 may cope with data and system errors by detecting the occurrence of data errors and applying error detection and recovery coding capable of correcting them.

The in-memory data compression engine 125 may reduce the size of data by performing a compression function on actual data stored in the backend storage. In particular, in the case of public cloud storage, the in-memory data compression engine 125 may reduce the size of data transmitted through the network by reducing the data size by compression.

The data distribution and storage unit 130 may distribute the data in order to store the data in the integrated storage 20 including on-premises storage and cloud storage.

In this case, the data distribution and storage unit 130 may provide an optimized function so that writing of received data can always be accessed with minimal overhead.

In this case, the data distribution and storage unit 130 may optimize data written to the integrated storage 20 to minimize writing and access times for the data, and may perform at least one of compression and encryption of the data.

At this time, the data distribution and storage unit 130 may distribute each object into several pieces for efficient data management, and distribute and store the distributed pieces in other nodes or data centers to improve reliability.

At this time, the data distribution and storage unit 130 may process selective encryption and compression on the distributed pieces and reflect policy decisions for this.

At this time, the data distribution and storage unit 130 may detect the occurrence of data errors and apply error detection and recovery coding capable of correcting them, thereby coping with data and system errors.

The backend storage management unit 140 may provide a storage interface of the cloud storage 21 and the non-cloud storage 22 for storing the final data generated by the data distribution and storage unit 130 in the final resource.

In this case, the backend storage management unit 140 may connect the integrated storage to store data and provide storage tiering information of the data to be stored.

In this case, the backend storage management unit 140 may provide an automatic or manual storage function using tiering based on performance, time, and frequency of use according to the policy of the data distribution storage layer.

In this case, the backend storage management unit 140 may provide a function of automatically distributing and storing data in various storage layers.

In this case, the backend storage management unit 140 may layer various types of storage based on the characteristics of the provided storage.

At this time, the backend storage management unit 140 may store the initially generated data in high-speed storage, move the data to a lower layer storage when the data access frequency is low, and finally store the data in the public cloud storage.

In this case, the backend storage management unit 140 may automatically move data between various storage layers according to the characteristics of the data.

The provisioning and policy management unit 150 may be in charge of each layer management and user-based policy management. In this case, the provisioning and policy management unit 150 may provide a hierarchical interface for provisioning the disk requested by the user.

In this case, the provisioning and policy management unit 150 may provide metadata for data storage and distribution of the data.

In this case, the metadata may include first metadata for data operation and second metadata for storage operation.

In this case, metadata for managing and accessing the data stored in the backend storage is required. The metadata of the present invention is generated while the user uses the client device 10 or the user client device 10 and the integrated cloud management device 20 interface with client metadata, data management metadata required for data manipulation, And the storage management metadata used for the last backend storage can be used.

5 is a diagram illustrating an example of a ramdisk according to an embodiment of the present invention.

Referring to FIG. 5 , it can be seen that the read cache unit 122 and the write cache unit 123 that are the RAM disks of the data manipulation unit 120 are shown in detail.

It can be seen that the read cache unit 122 distributes hashes into block data using the data deduplication engine 122a.

The write cache unit 123 uses the data transaction log unit 123a to manage a log for data recovery in the same node or a node connected to the network in case data stored in the write cache is lost due to a system failure. it can be seen that

The log can store the location and hash value of the data for the detailed block, and can be maintained until the data is saved to the backend storage.

Synchronization between the write cache and the transaction log can be performed either when the log queue reaches a certain size or whenever synchronization is performed, or whenever data is generated according to a write request. Detailed blocks located in the write cache can be synchronized to the transaction log node under certain conditions. As time passes, when detailed block-related data is stored in the backend storage, the detailed block of the write cache and the detailed block of the transaction log node are excluded from management and may be deleted.

6 is a diagram illustrating in detail operations of a data distribution and storage unit and a backend storage management unit according to an embodiment of the present invention.

Referring to FIG. 6 , the data distribution and storage unit 130 may reduce the size of the data by performing a compression function on the actual data stored in the back-end storage by the data compression block 131 . In particular, in the case of public cloud storage, the data compression block 131 may reduce the size of data transmitted through the network by reducing the data size by compression.

The data distribution block 132 may provide a function of distributing and storing data in a plurality of physical devices to prevent data loss.

In this case, the data distribution block 132 may cope with data and system errors by detecting the occurrence of errors in data and applying error detection and recovery coding capable of correcting them.

It can be seen that the backend storage management unit 140 may include HDD, SAS, iSCSI storage, public cloud storage, and the like, and provides an interface function for finally storing data in the backend storage.

At this time, the backend storage management unit 140 manages large-capacity data operation from memory storage to ensure fast response speed through data distribution policy, parallel input/output (Parallel IO Engine), and multi-path input/output (Multi-Path IO Engine). It can be seen that various types of storage are used, including cloud storage for data operations and high availability services for connected storage.

At this time, the backend storage management unit 140 may distribute and store data in storage within the same node or storage within multiple nodes configured in a cluster, and adjust the data size and number of distributed storage to prevent data loss due to system errors. can

It can be seen that the backend storage management unit 140 provides a function of automatically distributing and storing data in various storage layers. It can be seen that various types of storage are tiered based on the characteristics of the provided storage. It can be seen that when data is initially created, it is stored in high-speed storage, and when the frequency of data access is low, it is moved to the lower layer storage, and finally stored in the public cloud storage. The backend storage management unit 140 automatically moves data between various storage layers according to the characteristics of the data.

7 is an operation flowchart illustrating a storage providing method for providing a cloud service according to an embodiment of the present invention.

Referring to FIG. 7 , in the method of providing a storage for providing a cloud service according to an embodiment of the present invention, data access may be performed first ( S210 ).

That is, in step S210 , data access may be performed to provide a service of the integrated storage to the user in conjunction with the integrated storage 20 .

In this case, step S210 may provide a virtual disk pool to the user to provide a single storage view of the entire storage system.

In this case, in step S210, the integrated storage 20 may be provided as a virtual data storage irrespective of an actual storage location of the data, and the virtual data storage may be provided as a single virtual storage interface to the user.

The storage providing method according to an embodiment of the present invention may read and write data (S220).

That is, in step S220, a read/write cache of data for providing the service of the integrated storage may be provided using a ramdisk.

In this case, in step S220, at least one of a write buffer function and a read cache function for data may be provided, and write and read response times for the data may be improved by using high-speed storage.

At this time, in step S220, the data stored in the public cloud storage may be cached as a storage device inside the cloud integrated storage operation platform, and the access speed of the on-premises storage level to the public cloud storage may be provided.

At this time, in step S220, data is read and written using a RAM disk configured in the form of one disk including a RAM corresponding to the main memory and a solid state drive (SSD), and a RAM-based cache area When all of these are exhausted, it can be automatically converted to an SSD-based cache area.

The storage providing method according to an embodiment of the present invention may distribute and store data (S230).

That is, in step S230, the objects of the data may be distributed and stored, and the distributed objects may be encrypted and compressed.

In this case, step S230 detects the occurrence of data errors and applies error detection and recovery coding capable of correcting them, thereby coping with data and system errors.

In this case, in step S230, the data may be distributed in order to store the data in the integrated storage 20 including on-premises storage and cloud storage.

In this case, step S230 may provide an optimized function so that writing of received data can always be accessed with minimal overhead.

In this case, in step S230, the data written to the integrated storage 20 may be optimized to minimize writing and access times for the data, and at least one of compression and encryption of the data may be performed.

At this time, in step S230, each object may be distributed into several pieces for efficient data management, and the distributed pieces may be distributed and stored in other nodes or data centers to improve reliability.

At this time, in step S230, selective encryption and compression are processed on the distributed fragments, and policy decisions for this may be reflected.

In this case, step S230 detects the occurrence of data errors and applies error detection and recovery coding capable of correcting them, thereby coping with data and system errors.

The storage providing method according to an embodiment of the present invention may perform final resource storage of data (S240).

That is, in step S240, the final data generated in step S230 may be stored in the final resource.

In this case, in step S240, the integrated storage may be connected to store data, and storage tiering information of the data to be stored may be provided.

In this case, in step S240, an automatic or manual storage function may be provided using tiering based on performance, time, and frequency of use according to the policy of the data distribution storage layer.

In this case, step S240 may provide a function of automatically distributing and storing data in various storage layers.

In this case, in step S240, various types of storage may be tiered based on the characteristics of the provided storage.

In this case, in step S240, the initially generated data is stored in high-speed storage, and when the data access frequency is low, the data is moved to a lower layer storage, and finally the data is stored in the public cloud storage.

In this case, in step S240, data may be automatically moved between various storage layers according to the characteristics of the data.

8 is a diagram illustrating a relationship between a storage providing apparatus and a service provider according to an embodiment of the present invention.

Referring to FIG. 8 , the storage providing apparatus 100 according to an embodiment of the present invention may receive registration of storage services (Data Storage Service A to N) from a plurality of service providers (DFS Service Customer for Service A to N). there is.

In this case, the manager (DFS Service Provider) may provide a plurality of registered storage services to the user through the storage providing device 100 .

In this case, a user (DFS Service Customer of Client user) may be provided with a plurality of storage services by using the storage providing apparatus 100 .

In this case, the storage providing apparatus 100 may manage the integrated storage 20 on a multi-tenant basis in order to provide a plurality of storage services.

9 is an operation flowchart illustrating a storage providing method for storage service registration according to an embodiment of the present invention.

Referring to FIG. 9 , in the storage providing method for storage service registration according to an embodiment of the present invention, first, the storage providing apparatus 100 may perform a provider login ( S310 ).

In this case, in step S310, the provider may log in to the storage providing device 100 using a previously registered ID and password to register the storage service.

In this case, in step S310, when the provider's ID and password are not registered for login, a new ID and password may be generated.

In addition, the storage providing method for registering the storage service according to an embodiment of the present invention may register the storage service in the storage (S320).

That is, in step S320, the storage service may be registered by checking the cloud storage 21 and the non-cloud storage 22 for registering the storage service.

In this case, step S320 may provide a registration method to the provider through the GUI for storage service registration.

At this time, in step S320, the storage service name, storage specification (size, caching or not, number of tiers, encryption, on-premises storage support, etc.), data storage service protocol, and cloud storage name and type are input from the provider through the GUI. received, and can be registered in the corresponding storage.

In this case, the information input through the GUI may be registered through pre-registration when a new provider registers an ID and password.

In addition, the storage providing method for storage service registration according to an embodiment of the present invention may set storage (S330).

That is, in step S330, a virtual storage corresponding to the storage in which the storage service is registered may be created.

In this case, in step S330, the virtual storage may be registered in a virtual disk pool, and a single storage view for providing a storage service may be provided to the user through the virtual disk pool.

10 is a block diagram illustrating an apparatus for providing a storage according to an embodiment of the present invention.

Referring to FIG. 10 , a storage providing apparatus according to an embodiment of the present invention includes a service connection unit 110 , a data manipulation unit 120 , a data distribution and storage unit 130 , and backend storage that are components or main components of each layer. It can be seen that the management unit 140 is configured to be multi-tenant with the number corresponding to the storage service registered from the providers (DSF Service Providers A to C).

That is, it can be seen that the storage providing apparatus 100 supports a multi-tenant function that simultaneously performs a plurality of services.

In this case, the provisioning and policy management unit 150 may provide an administrator GUI (Administration GUI) to an administrator, and may provide and manage a multi-tenant based storage service.

11 is a block diagram illustrating an apparatus for providing a storage using a backend connection daemon according to an embodiment of the present invention.

Referring to FIG. 11 , an apparatus for providing storage using a backend connection daemon according to an embodiment of the present invention includes a plurality of storage connection units 110 individually configured for each storage service provided by service providers 31 , 32 , and 33 . , a data manipulation unit 120 , a data distribution and storage unit 130 , and a backend storage management unit 140 , and one provisioning and policy management unit 150 .

The storage connection unit 110 may provide a storage service of the integrated storage 20 to a user by interworking with the integrated storage 20 .

In this case, the integrated storage 20 may include at least one or more cloud storage 21 and non-cloud storage 22 .

The data manipulation unit 120 may create a virtual disk pool of the integrated storage 20 to provide a single storage view through at least one virtual disk.

In this case, the data manipulation unit 120 may provide the integrated storage 20 as a virtual data storage regardless of the actual storage location of the data.

In this case, the storage connection unit 110 may provide an interface to the virtual data storage as a single virtual storage to the user.

In this case, the storage connection unit 110 may provide configuration information of a single virtual storage and management information of an interface to the user according to the user's request.

In this case, the storage connection unit 110 may provide a user access mechanism for using a single virtual storage.

In this case, the storage connection unit 110 provides registration information for user requirements, and the user requirements may include at least one of a storage capacity, an access mechanism, and a storage type of the single virtual storage.

The data distribution and storage unit 130 may provide data distribution and encryption functions so that writing of received data can always be accessed with minimal overhead.

In this case, the data distribution and storage unit 130 may distribute the data in order to store the data in the integrated storage 20 including on-premises storage and cloud storage.

The backend storage management unit 140 may interface with the integrated storage 20 using a software-type connection daemon.

In this case, the backend storage management unit 140 may include a required interface (object or block storage interface) and a backend connection daemon configured to interface with various types of storage, and may provide a proxy interface for easily registering multiple storages.

At this time, the backend storage management unit 140 detects the storage area interfaces of the first daemon connected to the cloud storage 21 and the second daemon connected to the non-cloud storage 22 by proxy interface, and registers the cloud service. can do.

In the backend storage proxy, the object storage daemon interface or the backend connection daemon where the block storage interface driver is stored can automatically detect the storage area interface and register the service.

The backend connection daemon may be driven through a virtual machine or container excluding the block device to connect the integrated storage 20 , and may connect the object storage through this.

In this case, the backend storage management unit 140 may output the storage on which the interface has been performed as registerable storage of the storage service.

In this case, the backend storage management unit 140 may manage information for system access or provide a secure path for access to the user for registration of the storage service.

At this time, the backend storage management unit 140 may create one backend connection daemon whenever one storage is connected, and may connect it with the proxy server. The proxy server (not shown) may store and manage user data through a driver interface connected to the upper virtual disk pool (Vpool) through the data manipulation unit 120 .

In this case, the backend storage management unit 140 may connect the integrated storage 20 to store data and provide storage tiering information of the data.

Through this, the storage providing device 100 may create one virtual disk (vdisk) when a registered service provider connects, and the created virtual disk may be managed within the virtual disk pool. In this case, the user may be provided with a plurality of storage services from the storage in which the storage service is registered through each virtual disk pool.

The provisioning and policy management unit 150 may receive storage service registration from a plurality of service providers and manage the provision of the storage service on a multi-tenant basis.

At this time, the provisioning and policy management unit 150 allows the administrator to register the cloud storage 21 and the non-cloud storage 22 for providing the storage service in the storage providing device 100 through the management GUI and configure a new service. can

At this time, the provisioning and policy management unit 150 may create a cloud account when the service provider subscribes to the service, registers the service, and uploads and creates a file, and the uploaded file is stored in the cloud storage 21 or non- at the discretion of the administrator. It may be stored in the cloud storage 22 .

At this time, the provisioning and policy management unit 150 displays, creates, modifies and manages the contents of the cloud service registered in the cloud storage 21 and non-cloud storage 22 integrated in the integrated storage 20 through the management GUI. A delete function can also be provided.

The configuration of the storage is separate from the non-cloud storage 22 , and the service of the cloud storage 21 may be provided separately along with the basic configuration.

In this case, the provisioning and policy management unit 150 may independently configure the functions of the logical components as a server, a virtual system, or a container having a connection network in the form of modules or functions each having individual functions.

In this case, the provisioning and policy management unit 150 may register the storage service in any one storage included in the integrated storage 20 corresponding to the service registration information received from the service provider.

In this case, the provisioning and policy management unit 150 may provide the storage service by setting a virtual storage in the storage in which the storage service is registered.

In this case, the provisioning and policy management unit 150 uses a first path through which data moves (Data Path) and a second path through which data is controlled (Control Path) in order to prevent a decrease in I/O performance of the storage service to prevent the storage service from being degraded. You can manage services.

12 is an operation flowchart illustrating a storage providing method according to an embodiment of the present invention.

Referring to FIG. 12 , the method of providing storage according to an embodiment of the present invention may first perform data access ( S410 ).

That is, in step S410 , data may be accessed in connection with the integrated storage 20 to provide a storage service of the integrated storage 20 to the user.

In this case, the integrated storage 20 may include at least one or more cloud storage 21 and non-cloud storage 22 .

Non-cloud storage 22 may correspond to on-premises storage.

The storage providing method according to an embodiment of the present invention may provide a single storage view ( S420 ).

That is, in step S420 , a single storage view may be provided through at least one virtual disk by creating a virtual disk pool of the integrated storage 20 .

In this case, in step S420 , the integrated storage 20 may be provided as a virtual data storage regardless of the actual storage location of the data.

In this case, step S420 may provide an interface to the virtual data storage as a single virtual storage to the user.

In this case, in step S420, configuration information of a single virtual storage and management information of an interface may be provided to the user according to the user's request.

In this case, step S420 may provide a user access mechanism for using a single virtual storage.

In this case, step S420 provides registration information for a user requirement, and the user requirement may include at least one of a storage capacity, an access mechanism, and a storage type of the single virtual storage.

In this case, in step S420, data distribution and encryption functions may be provided so that writing of received data can always be accessed with minimal overhead.

In this case, step S420 may distribute the data to store the data in the integrated storage 20 including on-premises storage and cloud storage.

Also, the storage providing method according to an embodiment of the present invention may perform an interface ( S430 ).

That is, in step S430 , an interface with the integrated storage 20 may be performed using a software-type connection daemon.

At this time, step S430 may include a required interface (object or block storage interface) and a backend connection daemon configured to interface with various types of storage, and may provide a proxy interface for easily registering multiple storages.

In this case, in step S430 , the proxy interface may register the cloud service by detecting the storage area interfaces of the first daemon connected to the cloud storage 21 and the second daemon connected to the non-cloud storage 22 . .

In the backend storage proxy, the object storage daemon interface or the backend connection daemon where the block storage interface driver is stored can automatically detect the storage area interface and register the service.

The backend connection daemon may be driven through a virtual machine or container excluding the block device to connect the integrated storage 20 , and may connect the object storage through this.

In this case, in step S430, the storage on which the interface is performed may be output as a registerable storage of the storage service.

In this case, in step S430, the user may manage information for accessing the system or provide a secure path for access for registration of the storage service.

At this time, in step S430, one backend connection daemon may be created each time one storage is connected, and it may be connected to the proxy server. The proxy server (not shown) may store and manage user data through a driver interface connected to the upper virtual disk pool (Vpool) through the data manipulation unit 120 .

In this case, in step S430 , the integrated storage 20 may be connected to store data, and storage tiering information of the data may be provided.

Through this, the storage providing device 100 may create one virtual disk (vdisk) when a registered service provider connects, and the created virtual disk may be managed within the virtual disk pool. In this case, the user may be provided with a plurality of storage services from the storage in which the storage service is registered through each virtual disk pool.

In addition, the storage providing method according to an embodiment of the present invention may provide a storage service ( S440 ).

That is, in operation S440 , the storage service may be registered from a plurality of service providers, and the provision of the storage service may be managed on a multi-tenant basis.

In this case, in step S440, the administrator may register the cloud storage 21 and the non-cloud storage 22 for providing the storage service in the storage providing device 100 through the management GUI and configure a new service.

At this time, in step S440, the service provider may create a cloud account if the service provider subscribes to the service and uploads and creates a file, and the uploaded file is stored in the cloud storage 21 or non-cloud storage ( 22) can be saved.

At this time, step S440 is a function of displaying, creating, modifying and deleting the contents of the cloud service registered in the cloud storage 21 and non-cloud storage 22 integrated in the integrated storage 20 through the management GUI. can also be provided.

The configuration of the storage is separate from the non-cloud storage 22 , and the service of the cloud storage 21 may be provided separately along with the basic configuration.

In this case, in step S440, the function of the logical component may be independently configured as a server, a virtual system, or a container having a connection network in the form of a module or function having each individual function.

In this case, in step S440, the storage service may be registered in any one storage included in the integrated storage 20 corresponding to the service registration information received from the service provider.

In this case, in step S440 , the storage service may be provided by setting up a virtual storage in the storage in which the storage service is registered.

In this case, in step S440, the storage service is managed by using a first path through which data moves (Data Path) and a second path through which data is controlled (Control Path) in order to prevent degradation of I/O performance of the storage service. can do.

13 is a block diagram illustrating a computer system according to an embodiment of the present invention.

Referring to FIG. 13 , the user client device 10 and the storage providing device 100 according to an embodiment of the present invention may be implemented in a computer system 1100 such as a computer-readable recording medium. As shown in FIG. 13 , the computer system 1100 includes one or more processors 1110 , a memory 1130 , a user interface input device 1140 , and a user interface output device 1150 that communicate with each other via a bus 1120 . and storage 1160 . In addition, the computer system 1100 may further include a network interface 1170 coupled to the network 1180 . The processor 1110 may be a central processing unit or a semiconductor device that executes processing instructions stored in the memory 1130 or the storage 1160 . The memory 1130 and the storage 1160 may be various types of volatile or non-volatile storage media. For example, the memory may include a ROM 1131 or a RAM 1132 .

As described above, in the storage providing apparatus and method for providing a cloud service according to an embodiment of the present invention, the configuration and method of the above-described embodiments are not limitedly applicable, and the embodiments are subject to various modifications. All or part of each of the embodiments may be selectively combined and configured to achieve this.

10: user client device 20: unified storage
21: cloud storage 22: non-cloud storage
100: storage providing device 110: storage connection unit
111: virtual block device service engine
112: file system service engine
113: object storage service engine
120: data manipulation unit 121: in-memory namespace block
122: read cache unit 122a: data deduplication engine
123: write cache unit 123a: data transaction log unit
124: in-memory deduplication engine
125: In-memory data compression engine
130: data distribution and storage unit 131: data compression block
132: data distribution block
140: backend storage management unit 150: provisioning and policy management unit
1100: computer system 1110: processor
1120: bus 1130: memory
1131: rom 1132: ram
1140: user interface input device
1150: user interface output device
1160: storage 1170: network interface
1180: network

Claims (9)

a data distribution and storage unit for distributing the data to store data in integrated storage including on-premises storage and cloud storage;
a backend storage management unit that connects the integrated storage to store the data and provides storage tiering information of the data;
a data manipulation unit that provides the integrated storage as virtual data storage regardless of the actual storage location of the data; and
a storage connection unit providing an interface to the virtual data storage as a single virtual storage to a user;
including,
The backend storage management unit
automatically moving the data stored in the unified storage between storage tiers based on the characteristics of the data;
Cloud service provision, characterized in that the data is initially stored in the high-speed storage of the upper layer of the integrated storage, and the data stored in the high-speed storage is moved to the storage of the lower layer of the integrated storage according to a change in data access frequency storage device for delete The method of claim 1,
The data manipulation unit
A storage providing device for providing a cloud service, characterized in that it provides a write buffer function or a read cache function for the data, and increases a write or read response time for the data by using high-speed storage. The method of claim 1,
The storage providing device for providing the cloud service is
Further comprising a provisioning and policy management unit that provides metadata for storage of the data and distribution of the data,
The storage providing apparatus for providing a cloud service, wherein the metadata includes first metadata necessary for data operation and second metadata for storage operation. A storage providing method for providing a cloud service in a storage providing device for providing a cloud service, the method comprising:
a data distribution step of distributing the data to store the data in integrated storage including on-premises storage and cloud storage; and
a data management step of providing the integrated storage as a virtual data storage regardless of an actual storage location of the data, and providing an interface to the virtual data storage as a single virtual storage to a user;
including,
The data management step is
connecting the unified storage to store the data, and providing storage tiering information of the data;
automatically moving the data stored in the unified storage between storage tiers based on the characteristics of the data;
Cloud service provision, characterized in that the data is initially stored in the high-speed storage of the upper layer of the integrated storage, and the data stored in the high-speed storage is moved to the storage of the lower layer of the integrated storage according to a change in data access frequency How to provide storage for . delete delete 6. The method of claim 5,
The data management step is
A storage providing method for providing a cloud service, characterized in that it provides a write buffer function or a read cache function for the data, and increases a write or read response time for the data by using high-speed storage. 6. The method of claim 5,
The storage providing method for providing the cloud service is
A provisioning step of providing metadata for storage of the data and distribution of the data,
The storage providing method for providing a cloud service, characterized in that the metadata includes first metadata necessary for data operation and second metadata for storage operation.

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